Pinnacle Silver and Gold (TSX-V:PINN) says underground drilling has extended ‘high-grade’ gold-silver mineralisation at the historic Pinos Cuates mine within its El Potrero Project in Durango, Mexico.
The latest drilling returned 6.19 grams per tonne gold and 90g/t silver over a core length of 10.89m, including a 0.41m section grading 58.2g/t gold and 631g/t silver.
The results follow initial underground drilling reported last month, as Pinnacle evaluates a potential restart of El Potrero, which hosts three former artisanal mines.
Pinos Cuates is the central of the three mines along the Dos de Mayo vein structure.
Recent drilling there returned individual assays of up to 59.2g/t gold and 424g/t silver over 1.07m.
Pinos Cuates drilling
As reported on 19 August, the horizontal hole drilled along the Dos de Mayo vein extended the known mineralised strike length by approximately 20m to the northwest, returning 9.69g/t gold and 143g/t silver over a 13.18m core length.
Pinnacle subsequently drilled from the Main Level below, intersecting the latest 10.89m mineralised section.
“We are very pleased to see the continuity of grade in this area of the Pinos Cuates mine,” Pinnacle CEO Robert Archer says.
Archer says the latest hole was assayed on a “rush” basis because of the visually apparent ‘high-grade’ mineralisation and to provide time for follow-up drilling.
The latest intersection is approximately 15m down-dip from the intersection reported last month, according to Archer, who says the emerging continuity will assist with stope definition once mine planning begins later this year.
Surface drilling soon
To date, Pinnacle has drilled 76 holes at El Potrero and received assays for the first 53.
Drilling remains underway at Pinos Cuates, after which the underground rig is expected to move to the Dos de Mayo mine.
Surface drilling is planned to begin in October, targeting gaps between the historic mines as well as extensions up-dip, down-dip, and along strike to the northwest along the Dos de Mayo vein.
Pinnacle Silver and Gold is focused on the development of precious metal projects in the Americas.
Write to Jackson Chen at Mining.com.au
Image: Pinnacle Silver and Gold
