Discovery Silver Corp. (TSXV: DSV, OTCQX: DSVSF) has received high-grade results from 19 holes from its Phase 2 drill programme on its flagship Cordero silver project in Chihuahua State, Mexico.
The current set of results includes resource upgrade drilling for the Pre-Feasibility Study (PFS), planned for the fourth quarter of this year, and expansion drilling of the PEA open pit and the resource pit.
Highlight intercepts include:
- C21-560 intercepted a high-grade interval immediately below the current Preliminary Economic Assessment (PEA) pit that returned 18.1 m averaging 606 g/t AgEq1 from 230.0 m (234 g/t Ag, 0.15 g/t Au, 3.8% Pb and 6.5% Zn);
- C21-564 intercepted 33.9 m averaging 337 g/t AgEq1 from 622.1 m (95 g/t Ag, 0.21 g/t Au, 1.9% Pb and 4.5% Zn) approximately 70 m below the PEA pit;
- C21-544 intercepted 60.4 m averaging 122 g/t AgEq1 from 115.7 m (45 g/t Ag, 0.07 g/t Au, 0.9% Pb and 1.2% Zn) approximately 50 m below the PEA pit;
- C21-574 intercepted 13.4 m averaging 483 g/t AgEq1 from 3.3 m (272 g/t Ag, 0.16 g/t Au, 4.1% Pb and 1.9% Zn) in a step-out hole approximately 100 m to the northeast of the resource pit.
“We continue to intercept excellent grades both within and on the margins outside of the open pit defined in our 2021 PEA,” President and CEO, Taj Singh, said.
“This will further increase the confidence in the resource supporting our upcoming PFS and underscores the potential to expand the PFS open pit.
“In addition, our resource expansion drilling in the far northeast continues to highlight the prospectivity of this part of the deposit. Broad-spaced drilling to date has identified multiple sub-parallel mineralised corridors in this area that have the potential to expand the resource along strike and at depth.”
This current set of Phase 2 drill holes was focused on two main areas: 1) upgrade and expansion drilling of the PEA open pit; and 2) resource expansion in the far northeast of the deposit. Results will be incorporated in a resource update and PFS scheduled for completion in the fourth quarter of this year.
PEA Open Pit Upgrade & Expansion Drilling
Drilling in and around the open pit outlined in the 2021 PEA continues to intercept excellent grades over broad widths. This drilling is expected to improve the confidence of the resource that will support the PFS mine plan.
A number of intercepts outside the PEA open pit also demonstrate the potential to increase the size of the open pit in the PFS. C21-560 intercepted a series of sulphide veins and intrusive breccias that returned 18.1 m of 606 g/t AgEq1 from 230.0 m. This intercept was directly beneath the PEA open pit in an area previously modelled as medium grade.
C21-564, drilled to upgrade the resource at depth in the South Corridor returned multiple mineralised intercepts including 33.9 m of 337 g/t AgEqapproximately 70 m below the bottom of the PEA pit.
C21-544 intercepted a broad zone of intrusive breccias that returned 60.4 m of 122 g/t AgEqfrom 115.7 m. This zone was approximately 50 m below the PEA pit in an area previously modelled as waste.
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