GR Silver Mining Reports High-Grade Silver-Gold Drill Results at Plomosas

GR Silver Mining Reports High-Grade Silver-Gold Drill Results at Plomosas

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VANCOUVER, BC, June 22, 2020 /CNW/ – GR Silver Mining Ltd. (TSXV: GRSL), (FRANKFURT: GPE), (OTCQB: GRSLF) (“GR Silver Mining” or the “Company”) – is pleased to announce drill results at its 100%-owned Plomosas Silver Project (“Plomosas Project”) in Sinaloa, Mexico. These results are located in the Plomosas Mine Area, one of six priority areas with a combination of recent (2016 to 2018) and historical drill data being released by the Company.

These drill hole results show high-grade silver and gold mineralized zones outside of the previously mined polymetallic (Pb-Zn-Ag-Au) mineralization in the Plomosas Mine Area. The Au-Ag enriched veins and breccias occur in vertical and shallow-dipping fault zones on the footwall and hanging wall of the existing polymetallic mineralized zone, revealing potential extensions for a future resource estimation. The results also confirm the continuity of the polymetallic mineralized zone down dip and along strike outside the previously mined areas. The drill section discussed in this news release is a step-out section, 400 m north (Figure 1) of drill holes reported in the previous news release (see News Release dated May 13, 2020).

GR Silver Mining President and CEO, Marcio Fonseca, commented“We continue to systematically review the extensive un-released historical and recent drill hole database at the Plomosas Silver Project. The review confirms the presence of high-grade Au-Ag zones, which were not previously explored and evaluated by previous owners, nor integrated into a resource estimation. Most of the new mineralized veins are accessible through existing underground development, which facilitates planning of additional underground drilling and provides opportunities for new discoveries. The company has reviewed 51 drill holes at the Plomosas Mine Area to date and 256 drill holes remain to be validated. The validated drill holes are already integrated into a 3D database allowing interpretation of a wide footprint of high-grade multiple veins and hydrothermal breccias. 

Our ongoing investigations along the 8,000 m of underground tunnels at the Plomosas Mine Area, including geological/structural mapping and sampling, continue to reveal new mineralized zones. These new zones demonstrate that mineralization is not only hosted within a single high-grade structure but within multiple cross-cutting shallow and vertical structures. The Company has also encountered evidence of multiple mineralization styles (massive sulphide Pb-Zn lenses, brecciated and stockwork polymetallic mineralized systems and strong gold-silver rich quartz veined mineralized zones) during recent underground investigations, which are currently being integrated into the Plomosas Mine Area 3D model.

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