Dry stack tailings, which use far less water than conventional mine tailings, lie at the heart of the Forest Service’s view that the mine won’t contaminate groundwater. The tailings, which are pressed ...

Sierra Madre Gold & Silver Ltd. (TSE:SM) has released an update. Sierra Madre Gold & Silver Ltd. has received approval from SEMARNAT to modify its operating permit for the Guitarra Mine, allowing for ...

VANCOUVER, BC / ACCESSWIRE / October 17, 2023 / Sierra Madre Gold and Silver Ltd. (TSXV:SM)(OTCQX:SMDRF) ("Sierra Madre" or the "Company") is pleased to announce it has engaged Stantec Consulting ...

Au-Ag grades and calculated TSF1 volumes are in line with historical reported production records and recoveries 1 Figure 1. Baker Schematic TSF Section with: (i) Foundation/Berm in light blue, (ii) ...

The arrival of the Global Industry Standard on Tailings Management (GISTM) in 2020 has acted to place tailings under the spotlight and is promoting the introduction of responsible practices across the ...