Cornerstone Capital Resources Inc.

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Cornerstone has a diversified portfolio of gold, silver and copper projects in Ecuador and Chile, including a 15% interest in the exciting Cascabel copper-gold discovery in Ecuador financed through to a bankable feasibility study.

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Cornerstone Capital Resources Inc.

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Cornerstone has a diversified portfolio of gold, silver and copper projects in Ecuador and Chile, including a 15% int......

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8020 Admin

3 days ago

8020 Admin posted a press release Drilling continues at the Limon and Bramaderos Main gold-copper porphyry prospects in CORNERSTONE CAPITAL RESOURCES INC.

OTTAWA, Oct. 29, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV-CGP) (F-GWN) (B-GWN) (OTC-CTNXF) is pleased to provide an update on its Bramaderos gold and copper project in southern Ecuador, which it is exploring together with ASX listed Sunstone Metals Inc. under a farm-in agreement (see “About Bramaderos”, below).


Figures and plates related to this news release can be seen in PDF format by accessing the version of this release on the Company’s website (www.cornerstoneresources.com) or by clicking on the link below:


http://www.cornerstoneresources.com/i/pdf/NR19-33Figures.pdf.


HIGHLIGHTS:



  • The Phase 2 drilling program is designed to follow-up the highly promising results achieved in Phase 1
     

  • Drilling at Bramaderos Main underway with BMDD004 drilling below BMDD001 to test a 500m vertical extent of porphyry gold-copper mineralization
     

  • Drilling at Limon is about to commence – drill hole LMDD005 is targeting a porphyry gold-copper system adjacent to, and beneath holes LMDD002 and LMDD004
     

  • Drilling at West Zone just completed with 8 shallow holes - Results will be released once assays are received


FURTHER INFORMATION:


The Phase 1 drill program of 5,347m tested the three targets of Bramaderos Main, Limon and West Zone. The Phase 2 has commenced with follow-up drilling at Limon and Bramaderos Main.


The Bramaderos Project comprises multiple gold-copper porphyry targets  and an epithermal gold corridor (Figures 1 & 2).


Receipt of assay results from drill holes at West Zone and Limon have been delayed due to laboratory delays. These are being managed and incorporated into future planning.


Cornerstone Vice President, Exploration, Yvan Crepeau said:


“It is still early days at the Bramaderos Project. Our Phase 1 drilling delivered a gold-copper porphyry at Bramaderos Main that shows potential for significant scale with mineralization extending from surface to at least 300m deep, and with a strike extent of at least 500m. Drilling now will focus on increasing the scale of this system.


“At Limon, we have intersected compelling ‘near porphyry’ alteration and mineralization in a very large system, with evidence in one drill hole of a shallow ‘high sulphidation’ copper-gold system. Follow-up drilling is aimed at intersecting both the shallow copper-gold system and the deeper main porphyry gold-copper zone.


“At the West Zone epithermal gold prospect, we have completed eight shallow holes which intersected a variety of host rocks and several zones of alteration. We need to wait for assay results before we can comment on the significance of the West Zone drill program.”


Limon Prospect:


Drill hole LMDD005 is currently being collared to test a porphyry gold-copper target (Figures 3 & 4).


Importantly, the process for targeting hole LMDD005 has included further detailed review of all Limon datasets and has focused on a 3-D review of new ground magnetics data in the context of geological constraints provided by drilling results. It is still early days at Limon, but we have established that we are within a large alteration envelope to a porphyry system.


LMDD005 will also test for extensions to the shallow high-sulphidation epithermal copper-gold system intersected in LMDD004 (13.3m at 0.43% copper and 0.11g/t gold, see Cornerstone news release dated October 15, 2019), and then drill to a final depth of ~1100m to test a magnetic anomaly approximately 800m below surface that is located adjacent to and below the intervals of most intense veining, alteration and gold-copper mineralization intersected in holes LMDD002 (see Cornerstone news release dated July 2, 2019) and LMDD004 (see Cornerstone news release dated October 15, 2019). LMDD002 intersected 14m at 0.2% copper, 0.1g/t gold, and 40.8ppm molybdenum at bottom of hole, with clear evidence of a porphyry gold-copper system.


In addition to LMDD005, two more drill holes have been planned that will test targets that may be associated with outcropping gold-copper porphyry mineralization defined in trench LM-01 which intersected 97.6m at 0.71g/t gold and 0.23% copper (see Cornerstone news release dated May 29, 2018).


The link between outcropping porphyry gold-copper mineralization (trench LM-01), shallow high-sulphidation mineralization at ~60m below surface in LMDD004, and deep porphyry mineralization in LMDD002 at 600m below surface, is being pursued with this exploration program and the next 3 drill holes.


Bramaderos Main Prospect:


Final assays for hole BMDD002 at Bramaderos Main have been received and, as predicted, the bottom of hole has returned low grade gold results (Table 1 and Figure 7). The copper assays are consistent throughout the hole, but the gold grade is lower at depth. We interpret this to most likely represent multiple ‘events’ of mineralization and the target zone now becomes the domain on the north-eastern side of the diorite host rock (see Figure 6).


This is mapped out well at surface from extensive trenching with three higher grade domains defined (see Cornerstone news release dated August 26, 2019, and Figure 5). A north-west extension of the longitudinal trench is currently being prepared and sampled which is expected to extend the domain of surface mineralization.


BMDD004 is currently at ~70m downhole and has intersected mineralization from 5m downhole comparable to that seen in the upper part of hole BMDD001 (see Cornerstone news release dated July 18, 2019). It is designed to test a 500m vertical section of the higher-grade domain (Figure 6) below hole BMDD001.


Additional holes to be drilled include at least two holes on sections to the NW of BMDD001 and 004 testing the higher-grade zones in trenches over a strike length of 400m, a shallow hole to twin and extend historical hole CURI-03, and two holes under the main topographic high of Bramaderos Hill which exhibits extensive epithermal style alteration.


Detailed ground magnetics have been collected over Bramaderos Main and these will be processed over the next month to assist with further drill targeting.


Read more here: https://www.quotemedia.com/portal/quote/?qm_symbol=CGP%3ACC&qmodStoryID=8059847211135864 

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8020 Admin

4 days ago

8020 Admin posted a press release Cascabel Copper Gold and Silver Recovery Improvements Drive Modeled Revenue Increases in CORNERSTONE CAPITAL RESOURCES INC.


OTTAWA, Oct. 28, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV:CGP) (Frankfurt:GWN) (Berlin:GWN) (OTC:CTNXF) is pleased to announce significant improvements in copper and gold recoveries from metallurgical testing at the Alpala deposit at its Cascabel copper-gold porphyry joint venture in northern Ecuador. Cornerstone has a 22.8% direct and indirect interest in Cascabel comprised of (i) a direct 15% interest in the project financed through to completion of a feasibility study and repayable out of Cornerstone’s share of project cash flow, plus (ii) an indirect interest comprised of 9.2% of the shares of joint venture partner and project operator SolGold Plc.


Figures related to this news release can be seen in PDF format by accessing the version of this release on the Company’s website (www.cornerstoneresources.com) or by clicking on the link below:


http://www.cornerstoneresources.com/i/pdf/NR19-32Figures.pdf.


HIGHLIGHTS:



  • The current metallurgical test program has expanded on that conducted during the Preliminary Economic Assessment (PEA1), and has produced substantial improvements in copper, gold and silver recovery and in copper concentrate grade. These results are supported by both locked cycle and leach diagnostic tests.
     

  • Results include:
     

    • An estimated 3.8% increase in copper recovery to achieve a life of mine average of 93.4% recovery (Figure 1).
       

    • An estimated 21.6% increase in gold recovery to achieve a life of mine average of 87.2% recovery (Figure 2).
       

    • An estimated 28.3% increase in silver recovery to achieve a life of mine average of 87.6% recovery (Figure 3).
       

    • Ongoing large-scale tests will also evaluate CAPEX and OPEX changes to update economics.




FURTHER INFORMATION:


SolGold is continuing large scale metallurgical tests and is continuing to assess changes to operating and capital cost estimates in order to evaluate any changes to profitability and project value that may arise as a result of delivery of any extra revenue indicated by upgraded recoveries. In addition to copper, gold and silver, SolGold is testing for molybdenum, rhenium, magnetite and pyrite recoveries. Improvements in concentrate grades since those reported in the PEA, point to reductions in concentrate volumes, that may result in further modelled cost reductions in that area.


Davis Tube Recovery (DTR) tests indicate that 60% of iron in tailing can be recovered to a rougher magnetic concentrate grading 50% Fe. This is comparable to operations where magnetite has been recovered as a by-product of copper treatment, such as Ernest Henry and Atlas Copper. Following regrind of concentrate it is anticipated that product grades >60% Fe can be achieved. This is economically sensible plus also has a positive impact by reducing the material to be stored in tailing storage facilities.


Mineralogy drives excellent results


The mineralization of the Alpala deposit is considered a classic porphyry copper-gold system and the porphyry-related vein types and copper, gold and silver mineralization indicate a systematic development in time. Main-stage quartz veins typically contain chalcopyrite, magnetite and pyrite. Transitional-stage, chalcopyrite-rich veins (Figure 4) contain rare to minor bornite and cross-cut earlier vein types. These two vein types contribute to the majority of the gold, copper and silver in the deposit.


Late-stage, pyritic veins contain chalcopyrite, minor bornite and locally, molybdenite. Many of the later vein stages exploit and re-open earlier vein types. Anhydrite is a common vein constituent and re-opens earlier vein stages. Early-formed, hydrothermal magnetite occurs within main-stage quartz veins and as monomineralic veinlets, disseminated grains and replacements of magmatic hornblende. Magnetite is variably converted to metallic hematite and pyrite in the upper part of the deposit.


The earliest formed copper sulphide minerals observed in drill-core consists of abundant chalcopyrite and rare bornite in main-stage quartz veins. Chalcopyrite most commonly forms after, and surrounds, cubic and massive pyrite in transitional- and late-stage veins. It also occurs in anhydrite-rich veins and main-stage quartz veins that have been re-opened by later vein types. Bornite is in textural equilibrium with pyrite and chalcopyrite in transitional- and late-stage veins.


Scanning Electron Microscopy (SEM) techniques including Backscattered Electron (BSE) imaging and Energy Dispersive X-ray Spectroscopy (EDS) indicate that gold and silver occur as discrete grains of electrum (typically 60% to 85% Au, with the remainder as Ag) that range from 1 to 50 microns in diameter (Figure 5, right). Electrum is rarely coarse-grained and ranges up to 1000 microns (1.0 mm) in diameter (Figure 5, left). The electrum grains occur within chalcopyrite, bornite, pyrite and more rarely quartz and anhydrite. Grains of low-Ag gold (> 90% Au) that are 1 to 3 microns in diameter are associated with sulphide grains and occur locally within silicate gangue minerals.


In summary, the sulphide mineral assemblages at Alpala are characterized principally by chalcopyrite, pyrite and bornite, which are similar to the main-stage to transitional-stage sulphide mineral assemblages present at Grasberg, Indonesia and the El Salvador and Portrerillos mines in northern Chile. The simple chemical formulas of the minerals at Alpala contribute to enhanced metallurgical recoveries and clean concentrates that lack any significantly deleterious elements.


See Figures 6 (Gold Recovery Benchmarking) and 7 (Copper Grade Benchmarking).


About the Cascabel Joint Venture with SolGold:


Exploraciones Novomining S.A. (“ENSA”), an Ecuadorian company owned by SolGold Plc and Cornerstone, holds 100% of the Cascabel concession. Subject to the satisfaction of certain conditions, including SolGold’s fully funding the project through to completion of a feasibility study, SolGold will own 85% of the equity of ENSA and Cornerstone will own the remaining 15% of ENSA. SolGold is funding 100% of the exploration at Cascabel and is the operator of the project. SolGold shall receive 90% of Cornerstone’s distribution of earnings or dividends from ENSA to which Cornerstone would otherwise be entitled until such time as the amounts so received equal the aggregate amount of expenditures incurred by SolGold that would have otherwise been payable by Cornerstone, plus interest thereon from the dates such expenditures were incurred at a rate per annum equal to LIBOR plus 2 per cent until such time as SolGold is fully reimbursed.


Qualified Person:


Yvan Crepeau, MBA, P.Geo., Cornerstone’s Vice President, Exploration and a qualified person in accordance with National Instrument 43-101, is responsible for supervising the exploration program at the Cascabel project for Cornerstone and has reviewed and approved the information contained in this news release.


Logging, sampling, assaying and reporting


Holes referred to in this release were or are being drilled using HTW, NTW, NQ and BQ core sizes (respectively 7.1, 5.6, 4.8 and 3.7 cm diameter). Geotechnical measurements such as core recovery, fracturing, rock quality designations (RQD’s), specific gravity and photographic logging are performed systematically prior to assaying. The core is logged, magnetic susceptibility measured and key alteration minerals identified by experienced loggers and sometimes using an on-site portable spectrometer. Core is then sawed in half at the ENSA core logging facility, and half of the core is delivered by ENSA employees for preparation at ALS Minerals Laboratories (ALS) sample preparation facility in Quito. Core samples are prepared crushing to 70% passing 2 mm (10 mesh), splitting 250 g and pulverizing to 85% passing 75 microns (200 mesh) (ALS code CRU-31, SPL21 and PUL-32). Prepared samples are then shipped to ALS in Lima, Peru where samples are assayed for a multi-element suite (ALS code ME-MSP61, 1g split, 4-acid digestion, ICP-MS finish). Over limit results for Ag (> 100 g/t) and Cu, (> 1%) are systematically re-assayed (ALS code Ag-AA62, 4-acid digestion, AAS finish). Gold is assayed using a 30 g split, Fire Assay (FA) and AA finish (ALS code Au-AA23). 


About Cornerstone:


Cornerstone Capital Resources Inc. is a mineral exploration company with a diversified portfolio of projects in Ecuador and Chile, including in the Cascabel gold-enriched copper porphyry joint venture in north west Ecuador.


Further information is available on Cornerstone’s website: www.cornerstoneresources.com and on Twitter. For investor, corporate or media inquiries, please contact:


Investor Relations:
Mario Drolet (Montreal); Email: Mario@mi3.ca;
Tel. (514) 346-3813


Corporate Matters: David Loveys, CFO; Email: loveys@cornerstoneresources.ca;
Tel. (343) 689-0714


Due to anti-spam laws, many shareholders and others who were previously signed up to receive email updates and who are no longer receiving them may need to re-subscribe at http://www.cornerstoneresources.com/s/InformationRequest.asp


Cautionary Notice:
This news release may contain ‘Forward-Looking Statements’ that involve risks and uncertainties, such as statements of Cornerstone’s plans, objectives, strategies, intentions and expectations.  The words “potential,” “anticipate,” “forecast,” “believe,” “estimate,” “expect,” “may,” “project,” “plan,” and similar expressions are intended to be among the statements that identify ‘Forward-Looking Statements.’  Although Cornerstone believes that its expectations reflected in these ‘Forward-Looking Statements’ are reasonable, such statements may involve unknown risks, uncertainties and other factors disclosed in our regulatory filings, viewed on the SEDAR website at www.sedar.com.  For us, uncertainties arise from the behaviour of financial and metals markets, predicting natural geological phenomena and from numerous other matters of national, regional, and global scale, including those of an environmental, climatic, natural, political, economic, business, competitive, or regulatory nature.  These uncertainties may cause our actual future results to be materially different than those expressed in our Forward-Looking Statements.  Although Cornerstone believes the facts and information contained in this news release to be as correct and current as possible, Cornerstone does not warrant or make any representation as to the accuracy, validity or completeness of any facts or information contained herein and these statements should not be relied upon as representing its views after the date of this news release.   While Cornerstone anticipates that subsequent events may cause its views to change, it expressly disclaims any obligation to update the Forward-Looking Statements contained herein except where outcomes have varied materially from the original statements.


On Behalf of the Board,
Hugh Brooke Macdonald
President and CEO


Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
release.


1 See Cornerstone news releases dated May 20, 2019 (PEA results) and June 28, 2019 (Sedar filing of NI 43-101 Technical Report for the PEA).


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8020 Admin

4 days ago

8020 Admin posted a press release Cascabel Metallurgical Test Work Yields High Grade Copper and Gold Content Rates at Alpala in CORNERSTONE CAPITAL RESOURCES INC.

OTTAWA, Oct. 28, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV:CGP) (Frankfurt:GWN) (Berlin:GWN) (OTC:CTNXF) pleased to announce the following update on recent results from the ongoing comprehensive comminution and metallurgical test work program for the Alpala project at its Cascabel copper-gold porphyry joint venture in northern Ecuador. These include updates to the recovery parameters for copper, gold and silver and a comprehensive analysis of concentrate specifications from Locked Cycle test work completed and published in the comprehensive ALS Metallurgical Testing Cascabel Copper-Gold Project – Phase 1 Report (the “ALS Report”).


Cornerstone has a 22.8% direct and indirect interest in Cascabel comprised of (i) a direct 15% interest in the project financed through to completion of a feasibility study and repayable out of Cornerstone’s share of project cash flow, plus (ii) an indirect interest comprised of 9.2% of the shares of joint venture partner and project operator SolGold Plc.


SolGold is now actively engaged with concentrate market participants and expects to confirm alignment on the high quality and marketability of the Alpala concentrate in the prefeasibility study (“PFS”).


HIGHLIGHTS:



  • High recoveries and increased concentrate grades (since Preliminary Economic Assessment, PEA¹)


Read more here: https://www.quotemedia.com/portal/quote/?qm_symbol=CGP%3ACC&qmodStoryID=8325922746072009 

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8020 Admin

17 days ago

8020 Admin posted a press release Bramaderos Drilling Update in CORNERSTONE CAPITAL RESOURCES INC.

Drilling at Limon target suggests major porphyry source nearby


OTTAWA, Oct. 15, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV-CGP) (F-GWN) (B-GWN) (OTC-CTNXF) is pleased to provide an update on its Bramaderos gold and copper project in southern Ecuador, which it is exploring together with ASX listed Sunstone Metals Inc. under a farm-in agreement (see “About Bramaderos”, below).


Figures and plates related to this news release can be seen in PDF format by accessing the version of this release on the Company’s website (www.cornerstoneresources.com) or by clicking on the link below:


http://www.cornerstoneresources.com/i/pdf/NR19-30Figures.pdf.


HIGHLIGHTS:



  • Encouraging assays received for the 0-222m downhole interval1 of Limon Drill Hole # 4 (LMDD004) with the remaining assays expected by mid-November
     

  • LMDD004 intersected an upper ‘high-sulphidation’ copper system, likely of blanket geometry. Assays include:
     

    • 13.3m at 0.43% copper and 0.11g/t gold from 57.8m, within an interval of 59.6m grading 0.16% copper
       



  • LMDD004, which was terminated at 1,063m, also intersected altered rocks with weak mineralization in close proximity to a porphyry system, along with breccias containing clasts of mineralized porphyry
     

  • Drilling will resume at Bramaderos Main next week to follow-up BMDD002 that intersected 164m at 0.52g/t gold and 0.16% copper and 63m at 0.5g/t gold and 0.19% copper (see Cornerstone news release dated August 20, 2019)


FURTHER INFORMATION:


The geological and partial assay results from hole LMDD004 are significant for a number of reasons:



  • The hole intersected a copper +/- gold ‘high sulphidation’ epithermal system in a shallow position that could develop into an exploration target in its own right. Geologically ‘high sulphidation’ systems can develop in a variety of styles, all related to porphyry systems. Examples include Tampakan and Lepanto in the Philippines, the Tujuh Bukit gold-silver oxide system in Indonesia, and the Yanacocha deposit in Peru.

  • There is alteration in the deeper parts of hole LMDD004, suggesting close proximity to a porphyry system and combined with observations from LMDD002, further strengthen the vectors to mineralization.

  • Weak mineralization and veining have been identified over several intervals in LMDD004.

  • Detailed ground magnetics data across the Limon Prospect have been collected and are being processed to provide greater clarity on target parameters.

  • With 3 drill holes and more detailed magnetics data a 3-D interpretation of Limon is emerging.

  • In the context of the district scale exploration model (see Cornerstone news release dated August 27,  2019) these results strongly reinforce the significant exploration potential at Limon. The juxtaposed epithermal high sulphidation copper blanket, with hydrothermal breccias sourcing a porphyry system, in the vicinity of outcropping stockwork B-veins returning 97.6m at 0.71g/t gold and 0.23% copper (see Cornerstone news release dated May 29, 2018) supports the strong optimism for discovery.

  • Figures 1 and 2 show the context for LMDD004 within the cluster of porphyry systems at the Bramaderos Project. Importantly, there are a series of targets which are being systematically explored. The targets range from outcropping mineralization at Bramaderos Main, with a current minimum vertical extent of mineralization of 300m but expected to be much greater, sub-outcropping at Porotillo, Gangue and Playas, to deeper, but with a shallow mineralized epithermal high sulphidation blanket, at Limon.

  • While the main Limon porphyry system is now interpreted to be >500m below surface, we do know that portions of the system extend to surface as evidenced by the results from trench LM-01 which intersected 97.6m at 0.71g/t gold and 0.23% copper. Our exploration program will look to define the areas of mineralization across this vertical interval.


Cornerstone Vice President, Exploration, Yvan Crepeau said:


“These latest results provide more evidence that we are closing in on a large porphyry system. This is just the third hole2 we have drilled at Limon, but the combination of this blanket mineralization, the large anomalies in multiple surface datasets and the discovery of mineralized porphyry clasts in breccias indicate a large porphyry system being present. It is still early days at Limon, but a very encouraging model is emerging.”


Bramaderos Project Update:


The results from Limon must also be considered in the context of the broader Bramaderos Project potential and presented in Cornerstone’s news release dated August 27, 2019. While the Limon porphyry target is delivering a deeper than expected target zone, the Bramaderos Main target is an outcropping porphyry system with the potential to deliver a significant scale deposit. Drilling is focused on that definition of scale. Similarly, nearby porphyry targets Porotillo, Gangue, Melonal, and Playas all have a degree of mineralization at surface and require modern exploration and drill testing.


Immediate activities are:



  • At West Zone drilling is expected to be completed in late October, and first assay results are expected soon. An update will be provided once assays are received.

  • Final assays for hole BMDD002 at Bramaderos Main are expected very soon and drilling will resume at Bramaderos Main next week to extend the area of previously drilled mineralization which returned 164m at 0.52g/t gold and 0.16% copper and 63m at 0.5g/t gold and 0.19% copper (see Cornerstone news release dated August 20, 2019).

  • Limon drilling will continue into the porphyry target zone shown on Figure 3.


LMDD004 Details:


The broad sequence intersected in LMDD004 comprises an overlying sequence of volcanic rocks that are altered to clay and silica assemblage, often associated with the high levels of a porphyry and overlying epithermal system.


Two broad zones of magmatic-hydrothermal breccia were intersected in the upper and middle parts of the hole (see Figure 4). They contain some clasts with porphyry-related quartz veins, indicating parts of a porphyry system lie at greater depth below the breccia.


Deeper in the hole the alteration intensifies to suggest increasing proximity to a porphyry system.


As concluded from the results of hole LMDD002, these results to strongly suggest we have drilled ‘beside’, and in close proximity to, a mineralized porphyry system.


Significant results within the top 222m of LMDD004 include:



Read more here: https://quotemedia.com/portal/quote/?qm_symbol=CGP%3ACC&qmodStoryID=6699505372154355 

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Media Relations

7 months ago

Media Relations posted an update Cornerstone Capital; presenting in Ste-Therese QC this evening in CORNERSTONE CAPITAL RESOURCES INC.

This evening in Ste-Thérèse for the first time, Mario Drolet, President of MI3 Communications, investor relations for the Cornerstone Capital Corporation (CGP. TSXV), introducing the audience to Cornerstone’s, cuprferous discovery in Ecuador


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Media Relations posted an update in CORNERSTONE CAPITAL RESOURCES INC.

7 months ago

Mi3 Technical Note - Cornerstone Capital Resources (CGP - TSX.V)


insert_drive_fileTechnical-Note-March-22-2019.pdf
Thumb technical note march 22 2019

Cornerstone Capital Resources Inc.

lockPrivate Group

Cornerstone has a diversified portfolio of gold, silver and copper projects in Ecuador and Chile, including a 15% interest in the exciting Cascabel copper-gold discovery in Ecuador financed through to a bankable feasibility study.

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Cornerstone Capital Resources Inc.

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Cornerstone has a diversified portfolio of gold, silver and copper projects in Ecuador and Chile, including a 15% int......

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8020 Admin

3 days ago

8020 Admin posted a press release Drilling continues at the Limon and Bramaderos Main gold-copper porphyry prospects in CORNERSTONE CAPITAL RESOURCES INC.

OTTAWA, Oct. 29, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV-CGP) (F-GWN) (B-GWN) (OTC-CTNXF) is pleased to provide an update on its Bramaderos gold and copper project in southern Ecuador, which it is exploring together with ASX listed Sunstone Metals Inc. under a farm-in agreement (see “About Bramaderos”, below).


Figures and plates related to this news release can be seen in PDF format by accessing the version of this release on the Company’s website (www.cornerstoneresources.com) or by clicking on the link below:


http://www.cornerstoneresources.com/i/pdf/NR19-33Figures.pdf.


HIGHLIGHTS:



  • The Phase 2 drilling program is designed to follow-up the highly promising results achieved in Phase 1
     

  • Drilling at Bramaderos Main underway with BMDD004 drilling below BMDD001 to test a 500m vertical extent of porphyry gold-copper mineralization
     

  • Drilling at Limon is about to commence – drill hole LMDD005 is targeting a porphyry gold-copper system adjacent to, and beneath holes LMDD002 and LMDD004
     

  • Drilling at West Zone just completed with 8 shallow holes - Results will be released once assays are received


FURTHER INFORMATION:


The Phase 1 drill program of 5,347m tested the three targets of Bramaderos Main, Limon and West Zone. The Phase 2 has commenced with follow-up drilling at Limon and Bramaderos Main.


The Bramaderos Project comprises multiple gold-copper porphyry targets  and an epithermal gold corridor (Figures 1 & 2).


Receipt of assay results from drill holes at West Zone and Limon have been delayed due to laboratory delays. These are being managed and incorporated into future planning.


Cornerstone Vice President, Exploration, Yvan Crepeau said:


“It is still early days at the Bramaderos Project. Our Phase 1 drilling delivered a gold-copper porphyry at Bramaderos Main that shows potential for significant scale with mineralization extending from surface to at least 300m deep, and with a strike extent of at least 500m. Drilling now will focus on increasing the scale of this system.


“At Limon, we have intersected compelling ‘near porphyry’ alteration and mineralization in a very large system, with evidence in one drill hole of a shallow ‘high sulphidation’ copper-gold system. Follow-up drilling is aimed at intersecting both the shallow copper-gold system and the deeper main porphyry gold-copper zone.


“At the West Zone epithermal gold prospect, we have completed eight shallow holes which intersected a variety of host rocks and several zones of alteration. We need to wait for assay results before we can comment on the significance of the West Zone drill program.”


Limon Prospect:


Drill hole LMDD005 is currently being collared to test a porphyry gold-copper target (Figures 3 & 4).


Importantly, the process for targeting hole LMDD005 has included further detailed review of all Limon datasets and has focused on a 3-D review of new ground magnetics data in the context of geological constraints provided by drilling results. It is still early days at Limon, but we have established that we are within a large alteration envelope to a porphyry system.


LMDD005 will also test for extensions to the shallow high-sulphidation epithermal copper-gold system intersected in LMDD004 (13.3m at 0.43% copper and 0.11g/t gold, see Cornerstone news release dated October 15, 2019), and then drill to a final depth of ~1100m to test a magnetic anomaly approximately 800m below surface that is located adjacent to and below the intervals of most intense veining, alteration and gold-copper mineralization intersected in holes LMDD002 (see Cornerstone news release dated July 2, 2019) and LMDD004 (see Cornerstone news release dated October 15, 2019). LMDD002 intersected 14m at 0.2% copper, 0.1g/t gold, and 40.8ppm molybdenum at bottom of hole, with clear evidence of a porphyry gold-copper system.


In addition to LMDD005, two more drill holes have been planned that will test targets that may be associated with outcropping gold-copper porphyry mineralization defined in trench LM-01 which intersected 97.6m at 0.71g/t gold and 0.23% copper (see Cornerstone news release dated May 29, 2018).


The link between outcropping porphyry gold-copper mineralization (trench LM-01), shallow high-sulphidation mineralization at ~60m below surface in LMDD004, and deep porphyry mineralization in LMDD002 at 600m below surface, is being pursued with this exploration program and the next 3 drill holes.


Bramaderos Main Prospect:


Final assays for hole BMDD002 at Bramaderos Main have been received and, as predicted, the bottom of hole has returned low grade gold results (Table 1 and Figure 7). The copper assays are consistent throughout the hole, but the gold grade is lower at depth. We interpret this to most likely represent multiple ‘events’ of mineralization and the target zone now becomes the domain on the north-eastern side of the diorite host rock (see Figure 6).


This is mapped out well at surface from extensive trenching with three higher grade domains defined (see Cornerstone news release dated August 26, 2019, and Figure 5). A north-west extension of the longitudinal trench is currently being prepared and sampled which is expected to extend the domain of surface mineralization.


BMDD004 is currently at ~70m downhole and has intersected mineralization from 5m downhole comparable to that seen in the upper part of hole BMDD001 (see Cornerstone news release dated July 18, 2019). It is designed to test a 500m vertical section of the higher-grade domain (Figure 6) below hole BMDD001.


Additional holes to be drilled include at least two holes on sections to the NW of BMDD001 and 004 testing the higher-grade zones in trenches over a strike length of 400m, a shallow hole to twin and extend historical hole CURI-03, and two holes under the main topographic high of Bramaderos Hill which exhibits extensive epithermal style alteration.


Detailed ground magnetics have been collected over Bramaderos Main and these will be processed over the next month to assist with further drill targeting.


Read more here: https://www.quotemedia.com/portal/quote/?qm_symbol=CGP%3ACC&qmodStoryID=8059847211135864 

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8020 Admin

4 days ago

8020 Admin posted a press release Cascabel Copper Gold and Silver Recovery Improvements Drive Modeled Revenue Increases in CORNERSTONE CAPITAL RESOURCES INC.


OTTAWA, Oct. 28, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV:CGP) (Frankfurt:GWN) (Berlin:GWN) (OTC:CTNXF) is pleased to announce significant improvements in copper and gold recoveries from metallurgical testing at the Alpala deposit at its Cascabel copper-gold porphyry joint venture in northern Ecuador. Cornerstone has a 22.8% direct and indirect interest in Cascabel comprised of (i) a direct 15% interest in the project financed through to completion of a feasibility study and repayable out of Cornerstone’s share of project cash flow, plus (ii) an indirect interest comprised of 9.2% of the shares of joint venture partner and project operator SolGold Plc.


Figures related to this news release can be seen in PDF format by accessing the version of this release on the Company’s website (www.cornerstoneresources.com) or by clicking on the link below:


http://www.cornerstoneresources.com/i/pdf/NR19-32Figures.pdf.


HIGHLIGHTS:



  • The current metallurgical test program has expanded on that conducted during the Preliminary Economic Assessment (PEA1), and has produced substantial improvements in copper, gold and silver recovery and in copper concentrate grade. These results are supported by both locked cycle and leach diagnostic tests.
     

  • Results include:
     

    • An estimated 3.8% increase in copper recovery to achieve a life of mine average of 93.4% recovery (Figure 1).
       

    • An estimated 21.6% increase in gold recovery to achieve a life of mine average of 87.2% recovery (Figure 2).
       

    • An estimated 28.3% increase in silver recovery to achieve a life of mine average of 87.6% recovery (Figure 3).
       

    • Ongoing large-scale tests will also evaluate CAPEX and OPEX changes to update economics.




FURTHER INFORMATION:


SolGold is continuing large scale metallurgical tests and is continuing to assess changes to operating and capital cost estimates in order to evaluate any changes to profitability and project value that may arise as a result of delivery of any extra revenue indicated by upgraded recoveries. In addition to copper, gold and silver, SolGold is testing for molybdenum, rhenium, magnetite and pyrite recoveries. Improvements in concentrate grades since those reported in the PEA, point to reductions in concentrate volumes, that may result in further modelled cost reductions in that area.


Davis Tube Recovery (DTR) tests indicate that 60% of iron in tailing can be recovered to a rougher magnetic concentrate grading 50% Fe. This is comparable to operations where magnetite has been recovered as a by-product of copper treatment, such as Ernest Henry and Atlas Copper. Following regrind of concentrate it is anticipated that product grades >60% Fe can be achieved. This is economically sensible plus also has a positive impact by reducing the material to be stored in tailing storage facilities.


Mineralogy drives excellent results


The mineralization of the Alpala deposit is considered a classic porphyry copper-gold system and the porphyry-related vein types and copper, gold and silver mineralization indicate a systematic development in time. Main-stage quartz veins typically contain chalcopyrite, magnetite and pyrite. Transitional-stage, chalcopyrite-rich veins (Figure 4) contain rare to minor bornite and cross-cut earlier vein types. These two vein types contribute to the majority of the gold, copper and silver in the deposit.


Late-stage, pyritic veins contain chalcopyrite, minor bornite and locally, molybdenite. Many of the later vein stages exploit and re-open earlier vein types. Anhydrite is a common vein constituent and re-opens earlier vein stages. Early-formed, hydrothermal magnetite occurs within main-stage quartz veins and as monomineralic veinlets, disseminated grains and replacements of magmatic hornblende. Magnetite is variably converted to metallic hematite and pyrite in the upper part of the deposit.


The earliest formed copper sulphide minerals observed in drill-core consists of abundant chalcopyrite and rare bornite in main-stage quartz veins. Chalcopyrite most commonly forms after, and surrounds, cubic and massive pyrite in transitional- and late-stage veins. It also occurs in anhydrite-rich veins and main-stage quartz veins that have been re-opened by later vein types. Bornite is in textural equilibrium with pyrite and chalcopyrite in transitional- and late-stage veins.


Scanning Electron Microscopy (SEM) techniques including Backscattered Electron (BSE) imaging and Energy Dispersive X-ray Spectroscopy (EDS) indicate that gold and silver occur as discrete grains of electrum (typically 60% to 85% Au, with the remainder as Ag) that range from 1 to 50 microns in diameter (Figure 5, right). Electrum is rarely coarse-grained and ranges up to 1000 microns (1.0 mm) in diameter (Figure 5, left). The electrum grains occur within chalcopyrite, bornite, pyrite and more rarely quartz and anhydrite. Grains of low-Ag gold (> 90% Au) that are 1 to 3 microns in diameter are associated with sulphide grains and occur locally within silicate gangue minerals.


In summary, the sulphide mineral assemblages at Alpala are characterized principally by chalcopyrite, pyrite and bornite, which are similar to the main-stage to transitional-stage sulphide mineral assemblages present at Grasberg, Indonesia and the El Salvador and Portrerillos mines in northern Chile. The simple chemical formulas of the minerals at Alpala contribute to enhanced metallurgical recoveries and clean concentrates that lack any significantly deleterious elements.


See Figures 6 (Gold Recovery Benchmarking) and 7 (Copper Grade Benchmarking).


About the Cascabel Joint Venture with SolGold:


Exploraciones Novomining S.A. (“ENSA”), an Ecuadorian company owned by SolGold Plc and Cornerstone, holds 100% of the Cascabel concession. Subject to the satisfaction of certain conditions, including SolGold’s fully funding the project through to completion of a feasibility study, SolGold will own 85% of the equity of ENSA and Cornerstone will own the remaining 15% of ENSA. SolGold is funding 100% of the exploration at Cascabel and is the operator of the project. SolGold shall receive 90% of Cornerstone’s distribution of earnings or dividends from ENSA to which Cornerstone would otherwise be entitled until such time as the amounts so received equal the aggregate amount of expenditures incurred by SolGold that would have otherwise been payable by Cornerstone, plus interest thereon from the dates such expenditures were incurred at a rate per annum equal to LIBOR plus 2 per cent until such time as SolGold is fully reimbursed.


Qualified Person:


Yvan Crepeau, MBA, P.Geo., Cornerstone’s Vice President, Exploration and a qualified person in accordance with National Instrument 43-101, is responsible for supervising the exploration program at the Cascabel project for Cornerstone and has reviewed and approved the information contained in this news release.


Logging, sampling, assaying and reporting


Holes referred to in this release were or are being drilled using HTW, NTW, NQ and BQ core sizes (respectively 7.1, 5.6, 4.8 and 3.7 cm diameter). Geotechnical measurements such as core recovery, fracturing, rock quality designations (RQD’s), specific gravity and photographic logging are performed systematically prior to assaying. The core is logged, magnetic susceptibility measured and key alteration minerals identified by experienced loggers and sometimes using an on-site portable spectrometer. Core is then sawed in half at the ENSA core logging facility, and half of the core is delivered by ENSA employees for preparation at ALS Minerals Laboratories (ALS) sample preparation facility in Quito. Core samples are prepared crushing to 70% passing 2 mm (10 mesh), splitting 250 g and pulverizing to 85% passing 75 microns (200 mesh) (ALS code CRU-31, SPL21 and PUL-32). Prepared samples are then shipped to ALS in Lima, Peru where samples are assayed for a multi-element suite (ALS code ME-MSP61, 1g split, 4-acid digestion, ICP-MS finish). Over limit results for Ag (> 100 g/t) and Cu, (> 1%) are systematically re-assayed (ALS code Ag-AA62, 4-acid digestion, AAS finish). Gold is assayed using a 30 g split, Fire Assay (FA) and AA finish (ALS code Au-AA23). 


About Cornerstone:


Cornerstone Capital Resources Inc. is a mineral exploration company with a diversified portfolio of projects in Ecuador and Chile, including in the Cascabel gold-enriched copper porphyry joint venture in north west Ecuador.


Further information is available on Cornerstone’s website: www.cornerstoneresources.com and on Twitter. For investor, corporate or media inquiries, please contact:


Investor Relations:
Mario Drolet (Montreal); Email: Mario@mi3.ca;
Tel. (514) 346-3813


Corporate Matters: David Loveys, CFO; Email: loveys@cornerstoneresources.ca;
Tel. (343) 689-0714


Due to anti-spam laws, many shareholders and others who were previously signed up to receive email updates and who are no longer receiving them may need to re-subscribe at http://www.cornerstoneresources.com/s/InformationRequest.asp


Cautionary Notice:
This news release may contain ‘Forward-Looking Statements’ that involve risks and uncertainties, such as statements of Cornerstone’s plans, objectives, strategies, intentions and expectations.  The words “potential,” “anticipate,” “forecast,” “believe,” “estimate,” “expect,” “may,” “project,” “plan,” and similar expressions are intended to be among the statements that identify ‘Forward-Looking Statements.’  Although Cornerstone believes that its expectations reflected in these ‘Forward-Looking Statements’ are reasonable, such statements may involve unknown risks, uncertainties and other factors disclosed in our regulatory filings, viewed on the SEDAR website at www.sedar.com.  For us, uncertainties arise from the behaviour of financial and metals markets, predicting natural geological phenomena and from numerous other matters of national, regional, and global scale, including those of an environmental, climatic, natural, political, economic, business, competitive, or regulatory nature.  These uncertainties may cause our actual future results to be materially different than those expressed in our Forward-Looking Statements.  Although Cornerstone believes the facts and information contained in this news release to be as correct and current as possible, Cornerstone does not warrant or make any representation as to the accuracy, validity or completeness of any facts or information contained herein and these statements should not be relied upon as representing its views after the date of this news release.   While Cornerstone anticipates that subsequent events may cause its views to change, it expressly disclaims any obligation to update the Forward-Looking Statements contained herein except where outcomes have varied materially from the original statements.


On Behalf of the Board,
Hugh Brooke Macdonald
President and CEO


Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
release.


1 See Cornerstone news releases dated May 20, 2019 (PEA results) and June 28, 2019 (Sedar filing of NI 43-101 Technical Report for the PEA).


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8020 Admin

4 days ago

8020 Admin posted a press release Cascabel Metallurgical Test Work Yields High Grade Copper and Gold Content Rates at Alpala in CORNERSTONE CAPITAL RESOURCES INC.

OTTAWA, Oct. 28, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV:CGP) (Frankfurt:GWN) (Berlin:GWN) (OTC:CTNXF) pleased to announce the following update on recent results from the ongoing comprehensive comminution and metallurgical test work program for the Alpala project at its Cascabel copper-gold porphyry joint venture in northern Ecuador. These include updates to the recovery parameters for copper, gold and silver and a comprehensive analysis of concentrate specifications from Locked Cycle test work completed and published in the comprehensive ALS Metallurgical Testing Cascabel Copper-Gold Project – Phase 1 Report (the “ALS Report”).


Cornerstone has a 22.8% direct and indirect interest in Cascabel comprised of (i) a direct 15% interest in the project financed through to completion of a feasibility study and repayable out of Cornerstone’s share of project cash flow, plus (ii) an indirect interest comprised of 9.2% of the shares of joint venture partner and project operator SolGold Plc.


SolGold is now actively engaged with concentrate market participants and expects to confirm alignment on the high quality and marketability of the Alpala concentrate in the prefeasibility study (“PFS”).


HIGHLIGHTS:



  • High recoveries and increased concentrate grades (since Preliminary Economic Assessment, PEA¹)


Read more here: https://www.quotemedia.com/portal/quote/?qm_symbol=CGP%3ACC&qmodStoryID=8325922746072009 

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8020 Admin

17 days ago

8020 Admin posted a press release Bramaderos Drilling Update in CORNERSTONE CAPITAL RESOURCES INC.

Drilling at Limon target suggests major porphyry source nearby


OTTAWA, Oct. 15, 2019 (GLOBE NEWSWIRE) -- Cornerstone Capital Resources Inc. (“Cornerstone” or “the Company”) (TSXV-CGP) (F-GWN) (B-GWN) (OTC-CTNXF) is pleased to provide an update on its Bramaderos gold and copper project in southern Ecuador, which it is exploring together with ASX listed Sunstone Metals Inc. under a farm-in agreement (see “About Bramaderos”, below).


Figures and plates related to this news release can be seen in PDF format by accessing the version of this release on the Company’s website (www.cornerstoneresources.com) or by clicking on the link below:


http://www.cornerstoneresources.com/i/pdf/NR19-30Figures.pdf.


HIGHLIGHTS:



  • Encouraging assays received for the 0-222m downhole interval1 of Limon Drill Hole # 4 (LMDD004) with the remaining assays expected by mid-November
     

  • LMDD004 intersected an upper ‘high-sulphidation’ copper system, likely of blanket geometry. Assays include:
     

    • 13.3m at 0.43% copper and 0.11g/t gold from 57.8m, within an interval of 59.6m grading 0.16% copper
       



  • LMDD004, which was terminated at 1,063m, also intersected altered rocks with weak mineralization in close proximity to a porphyry system, along with breccias containing clasts of mineralized porphyry
     

  • Drilling will resume at Bramaderos Main next week to follow-up BMDD002 that intersected 164m at 0.52g/t gold and 0.16% copper and 63m at 0.5g/t gold and 0.19% copper (see Cornerstone news release dated August 20, 2019)


FURTHER INFORMATION:


The geological and partial assay results from hole LMDD004 are significant for a number of reasons:



  • The hole intersected a copper +/- gold ‘high sulphidation’ epithermal system in a shallow position that could develop into an exploration target in its own right. Geologically ‘high sulphidation’ systems can develop in a variety of styles, all related to porphyry systems. Examples include Tampakan and Lepanto in the Philippines, the Tujuh Bukit gold-silver oxide system in Indonesia, and the Yanacocha deposit in Peru.

  • There is alteration in the deeper parts of hole LMDD004, suggesting close proximity to a porphyry system and combined with observations from LMDD002, further strengthen the vectors to mineralization.

  • Weak mineralization and veining have been identified over several intervals in LMDD004.

  • Detailed ground magnetics data across the Limon Prospect have been collected and are being processed to provide greater clarity on target parameters.

  • With 3 drill holes and more detailed magnetics data a 3-D interpretation of Limon is emerging.

  • In the context of the district scale exploration model (see Cornerstone news release dated August 27,  2019) these results strongly reinforce the significant exploration potential at Limon. The juxtaposed epithermal high sulphidation copper blanket, with hydrothermal breccias sourcing a porphyry system, in the vicinity of outcropping stockwork B-veins returning 97.6m at 0.71g/t gold and 0.23% copper (see Cornerstone news release dated May 29, 2018) supports the strong optimism for discovery.

  • Figures 1 and 2 show the context for LMDD004 within the cluster of porphyry systems at the Bramaderos Project. Importantly, there are a series of targets which are being systematically explored. The targets range from outcropping mineralization at Bramaderos Main, with a current minimum vertical extent of mineralization of 300m but expected to be much greater, sub-outcropping at Porotillo, Gangue and Playas, to deeper, but with a shallow mineralized epithermal high sulphidation blanket, at Limon.

  • While the main Limon porphyry system is now interpreted to be >500m below surface, we do know that portions of the system extend to surface as evidenced by the results from trench LM-01 which intersected 97.6m at 0.71g/t gold and 0.23% copper. Our exploration program will look to define the areas of mineralization across this vertical interval.


Cornerstone Vice President, Exploration, Yvan Crepeau said:


“These latest results provide more evidence that we are closing in on a large porphyry system. This is just the third hole2 we have drilled at Limon, but the combination of this blanket mineralization, the large anomalies in multiple surface datasets and the discovery of mineralized porphyry clasts in breccias indicate a large porphyry system being present. It is still early days at Limon, but a very encouraging model is emerging.”


Bramaderos Project Update:


The results from Limon must also be considered in the context of the broader Bramaderos Project potential and presented in Cornerstone’s news release dated August 27, 2019. While the Limon porphyry target is delivering a deeper than expected target zone, the Bramaderos Main target is an outcropping porphyry system with the potential to deliver a significant scale deposit. Drilling is focused on that definition of scale. Similarly, nearby porphyry targets Porotillo, Gangue, Melonal, and Playas all have a degree of mineralization at surface and require modern exploration and drill testing.


Immediate activities are:



  • At West Zone drilling is expected to be completed in late October, and first assay results are expected soon. An update will be provided once assays are received.

  • Final assays for hole BMDD002 at Bramaderos Main are expected very soon and drilling will resume at Bramaderos Main next week to extend the area of previously drilled mineralization which returned 164m at 0.52g/t gold and 0.16% copper and 63m at 0.5g/t gold and 0.19% copper (see Cornerstone news release dated August 20, 2019).

  • Limon drilling will continue into the porphyry target zone shown on Figure 3.


LMDD004 Details:


The broad sequence intersected in LMDD004 comprises an overlying sequence of volcanic rocks that are altered to clay and silica assemblage, often associated with the high levels of a porphyry and overlying epithermal system.


Two broad zones of magmatic-hydrothermal breccia were intersected in the upper and middle parts of the hole (see Figure 4). They contain some clasts with porphyry-related quartz veins, indicating parts of a porphyry system lie at greater depth below the breccia.


Deeper in the hole the alteration intensifies to suggest increasing proximity to a porphyry system.


As concluded from the results of hole LMDD002, these results to strongly suggest we have drilled ‘beside’, and in close proximity to, a mineralized porphyry system.


Significant results within the top 222m of LMDD004 include:



Read more here: https://quotemedia.com/portal/quote/?qm_symbol=CGP%3ACC&qmodStoryID=6699505372154355 

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Media Relations

7 months ago

Media Relations posted an update Cornerstone Capital; presenting in Ste-Therese QC this evening in CORNERSTONE CAPITAL RESOURCES INC.

This evening in Ste-Thérèse for the first time, Mario Drolet, President of MI3 Communications, investor relations for the Cornerstone Capital Corporation (CGP. TSXV), introducing the audience to Cornerstone’s, cuprferous discovery in Ecuador


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Media Relations posted an update in CORNERSTONE CAPITAL RESOURCES INC.

7 months ago

Mi3 Technical Note - Cornerstone Capital Resources (CGP - TSX.V)


insert_drive_fileTechnical-Note-March-22-2019.pdf
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