Rockcliff Identifies Near Surface High-Grade Copper and Zinc Mineralization at the Copperman Property Including 4.35% CuEq Across 6.00 Metres and 3.33% CuEq Across 8.3 Metres
Toronto, November 24, 2021 - Rockcliff Metals Corp. (CSE: RCLF) (OTCQB: RKCLF) ("Rockcliff" or the "Company") is pleased to announce high-grade near surface assay drill results from its phase one drill program at the Company's 100% owned Copperman Property located in the Snow Lake mining camp in Manitoba.
Significant interpreted true thickness highlights from the first four holes include:
- RCU21-001: 7.1 m grading 3.06% CuEq including 5.0 m grading 4.00% CuEq
- RCU21-002: 6.0 m grading 4.35% CuEq including 4.0 m grading 5.89% CuEq
- RCU21-003: 8.3 m grading 3.33% CuEq including 5.3 m grading 4.62% CuEq
- RCU21-004: 5.0 m grading 2.64% CuEq including 3.0 m grading 3.32% CuEq
Rockcliff's Interim President and CEO Don Christie commented, "We are extremely pleased with these high-grade assay results from the initial drill holes at Copperman. The near-surface widths are also very encouraging and we hope the ongoing drill program continues to produce these types of impressive results. The fact that the high-grade zone of copper-zinc mineralization and several other lower grade zones are hosted in a classic bi-modal volcanic environment is a testament to the prospectivity of the property for volcanogenic massive sulphides (VMS). Several other near surface geophysical anomalies similar to the one that is associated with the historical Copperman Deposit are untested with significant upside potential."
Significant true thickness drill core assays from Rockcliff's phase one drill program are summarized below.
|Hole #||From (m)||To (m)||Length (m)||Copper %||Zinc %||Gold g/t||Silver g/t||CuEq*|
(m) = metres represents true thickness, % = percentage, g/t = grams per tonne, *CuEq = copper equivalent value used US$3.25/pound copper, US$1.25/pound zinc, US$1750/ troy ounce gold and US$22 /per ounce silver. CuEq = Cu grade % + (Zn grade % X Zn price per lb / Cu price per pound) + (Au grade g/t X Au price per gram / Cu price per tonne) X 100 + (Ag grade g/t X Ag price per gram / Cu price per tonne) X 100. No process recoveries or smelter payables were included in the calculation. The numbers may not add up due to rounding.
Figure 1: Plan Surface TDEM view of Copperman Property highlighting the historical Copperman Deposit (circled) and surface untested geophysical anomalies.
To view an enhanced version of Figure 1, please visit:
To-date, a total of 15 holes have been completed totalling 2,670 metres targeting the historical Copperman deposit have been completed. An additional 10 holes are planned.
Additional drill hole information is summarized below.
Quality Control and Quality Assurance
Samples of half core were packaged and shipped directly from Rockcliff's core facility in Snow Lake to ALS Canada Ltd. (ALS), in Thunder Bay, Ontario. ALS is a Canadian assay laboratory and is accredited under ISO/IEC 17025. Each bagged core sample was dried, crushed to 70% passing 10 mesh and a 250g pulp is pulverized to 85% passing 150 mesh for assaying. A 0.5g cut is taken from each pulp for base metal analyses and leached in a multi acid (total) digestion and then analyzed for copper, lead, zinc and silver by inductively couple plasma atomic emission spectroscopy. Gold concentrations are determined by fire assay using a 30g charge followed by an atomic absorption finish. Samples greater than the upper detection limit (3000 ppb) are reanalyzed using fire assay gravimetric using a 1 assay ton charge. Rockcliff inserted certified blanks and standards in the sample stream to ensure lab integrity. Rockcliff has no relationship with ALS other than ALS being a service provider to the Company.
Ken Lapierre P.Geo., VP Exploration of Rockcliff, a Qualified Person in accordance with Canadian regulatory requirements as set out in NI 43-101, has read and approved the scientific and technical information that forms the basis for the disclosure contained in this press release.
About Rockcliff Metals Corporation
Rockcliff is a Canadian resource development and exploration company with several advanced-stage, high-grade copper and VMS dominant deposits in the Snow Lake area of central Manitoba. The Company is a major landholder in the Belt which is the largest Paleoproterozoic VMS district in the world, hosting high-grade mines and deposits containing copper, zinc, gold and silver. The Company's extensive portfolio of properties totals approximately 4,000 km² and includes seven of the highest grade, undeveloped VMS deposits in the Belt. Rockcliff has a joint venture with Hudbay at the Company's 49% owned Talbot Copper Deposit.
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For further information, please contact:
Rockcliff Metals Corp.
Interim President & CEO
Cell: (416) 409-8441
Cautionary Note Regarding Forward-Looking Statements: This news release includes forward-looking statements that are subject to risks and uncertainties. Forward-looking statements involve known and unknown risks, uncertainties, and other factors that could cause the actual results of the Company to be materially different from the historical results or from any future results expressed or implied by such forward-looking statements. All statements contained in this news release, other than statements of historical fact, are to be considered forward-looking. Although Rockcliff believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not a guarantee of future performance and actual results or developments may differ materially from those in the forward-looking statements.
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