15-06 - Hole 11 to Begin at Cascabel
HIGHLIGHTS:
- Hole CSD-15-010 ("Hole 10") terminated due to irreversible drilling difficulties at 974.84m depth in mineralized and veined porphyritic intrusive;
- Hole CSD-15-011 ("Hole 11") to be drilled towards the southwest at a steep 85 degree angle from a position 180 metres northwest of the Hole 10 collar; and
- Extension of the mineralized zone to the northwest of the Hole 9 intersection of 1327.35m @ 0.57% copper and 0.74 g/t gold is indicated by the intersection in Hole 10 of the same uppermost high grade (UHG) zone that was encountered in Hole CSD-14-009 ("Hole 9").
References to figures, photographs and tables related to the version of this release on the Company's website (www.cornerstoneresources.com) or visible in PDF format by clicking the link below:
http://www.cornerstoneresources.com/i/pdf/NR15-06Figures.pdf.
FURTHER INFORMATION
Hole 10 was terminated at a depth of 974.84 metres due to drilling difficulties. The hole was terminated in mineralized intrusive porphyry, approximately 170 metres short of the interpreted lateral extension of the lower high grade (LHG) zone that was previously encountered in Hole 9 (420m @ 1.00% Cu, 1.35 g/t Au - approximate true width of 160m at 1.81% Cu equivalent, as detailed in news release dated January 12, 2015).
The Company is currently preparing to move the drill rig 180 metres further to the northwest and drill Hole 11 towards the southwest at an inclination of -85 degrees towards an azimuth of 225 degrees to intersect the high grade zones previously encountered in Hole 9. Hole 11 will be drilled within the southern margin of the large T1 target area that may represent a continuation of the extensive mineralization encountered to date within the Central Alpala region.
Figures 2 and 3 show a plan and cross-section respectively for the location of planned Hole 11.
About Cascabel
SolGold Plc owns 85% of the equity of Exploraciones Novomining S.A. ("ENSA"), an Ecuadorean registered company that holds 100% of the Cascabel concession in northern Ecuador. Cornerstone owns the remaining 15% of ENSA, which also holds the rights to the La Encrucijada gold-silver project. SolGold is funding 100% of the exploration at Cascabel and is the operator of the project with Cornerstone Ecuador S.A. providing some exploration and administrative services. Cornerstone's 15% interest is financed through completion of a feasibility study.
Cascabel is located in north-western Ecuador in an under-explored northern section of the richly endowed Andean Copper Belt, 60 km northeast of the undeveloped inferred resource of 982 million tons at 0.89% Cu Junin copper project (0.4% Cu cutoff grade; Micon International Co. Ltd. Technical Report for Ascendant Exploration SA, August 20, 2004, pages 28 & 29). Mineralization identified at the Junin copper project is not necessarily indicative of the mineralization on the Cascabel Property.
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 and assaying
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 density and photographic logging are performed systematically prior to assaying. The core is logged, magnetic susceptibility measured and key alteration minerals identified using an on-site portable spectrometer. Core is then sawed in half at the core logging facility of Exploraciones Novomining S.A., the Ecuadorean company owned 85% by SolGold Plc and 15% by Cornerstone ("ENSA"), and half of the core is delivered by ENSA employees for preparation at Acme Analytical Laboratories (ACME) affiliate laboratory in Cuenca. Core samples are prepared crushing 1 kg to 80% passing 2 mm (10 mesh), splitting 250 g and pulverizing to 85% passing 0.075 mm (200 mesh) (ACME code R200-250). Prepared samples are then shipped to ACME in Vancouver, Canada where samples are assayed for a multi-element suite (ACME code 1E, 0.25g split, 4-acid digestion, ICP-ES finish). Over limit results for Ag (> 100 g/t), Cu, Pb and Zn (each one > 1%) are systematically re-assayed (ACME code 7 TD1 or 7 TD2, 4-acid digestion, ICP-ES finish). Gold is assayed using a 30 g split, Fire Assay (FA) and AA or ICP-ES finish (ACME code G601).
Quality assurance / Quality control (QA/QC)
The ACME affiliate preparation facility in Cuenca was audited by Cornerstone prior to the start of the drilling program and ACME is an ISO 9001:2008 qualified assayer that performs and makes available internal assaying controls. Duplicates, certified blanks and standards are systematically used (1 control sample every 15 samples) as part of Cornerstone's QA/QC program. Rejects, a 100 g pulp for each core sample and the remaining half-core are stored for future use and controls.
About Cornerstone:
Cornerstone Capital Resources Inc. is a well-funded mineral exploration company based in Mount Pearl, Newfoundland and Labrador, Canada, with a diversified portfolio of projects in Ecuador and Chile, and a strong technical team that has proven its ability to identify, acquire and advance properties of merit. The company's business model is based on generating exploration projects whose subsequent development is funded primarily through partnerships. Commitments from partners constitute significant validation of the strength of Cornerstone's projects.
Further information is available on Cornerstone's website: www.cornerstoneresources.com and on Twitter. For investor, corporate or media inquiries, please contact: Investor Relations: Email: ir@cornerstoneresources.ca North America toll-free: 1 (877) 277-8377
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 subsequent to 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, Brooke Macdonald President and CEO
Further information is available on the Cornerstone Web site at www.cornerstoneresources.com; via e-mail at ir@cornerstoneresources.ca; or toll free at 1-877-277-8377.
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