Tierra Group supervised the first 3 phases of Geologic Mapping and Instrumentation Installation and developed a Mechanically Stabilized Earth Wall Design at Great Panther Silver’s Topia Mine in Durango, Mexico.
Sweetwater Mine Permitting Tierra Group’s Team began work at the Sweetwater mine in 1993 assisting permitting and developing tailings impoundment management strategies for the mine. We successfully designed and installed an innovative internal seal for repair of the mine’s damaged…
Lode-Star Gold, Inc., in advance of their proposed mining operations, submited a Physical Separation Facility application with the State of Nevada for their Goldfield Bonanza Project located in Esmeralda County, Nevada. The mine, located in the historic high-grade gold-bearing district of…
Tierra Group performed a third-party design review of a Cemented Tailings Facility (CTF) and multiple process and freshwater ponds. Tailings will be mixed with cement at the planned paste plant and deposited in the CTF along with underground mine development…
Tierra Group provided detailed Stage 1 and 2 Tailings Storage Facility design, conducted a process plant geotechnical foundation investigation, and provided Construction Quality Assurance for Sunshine Silver Mining's Los Gatos Project in Chihuahua, Mexico.
El Gallo is a 3,000 tpd open-pit gold/silver mine located in the foothills of the Sierra Madre Mountain Range in Mexico’s Sinaloa State. Gold is recovered through heap leaching and adsorption/desorption/recovery (ADR). Production commenced at El Gallo with the first gold pour in September…
Creston Mascota Mine is located in Chihuahua, Mexico and is owned and operated by Agnico Eagle Mexico. Tierra Group designed the Phase 4 heap leach pad, buttress, which included geotechnical investigations, slope stability analyses and a water balance for Agnico…
Tierra Group performed geotechnical investigation, water balance, and the Phase 2 heap leach pad (HLP) optimization design at Agnico Eagle’s La India Mine in Sonora State Mexico. Tierra Group provided Construction Quality Assurance (CQA) during initial construction and expansion of…
Tierra Group provided slope stability analysis for Agnico Eagle’s dry stack tailings storage facility containing 330,000 tonnes of tailings.
Glencore’s Antapaccay mine is located in the Espinar province, Cuzco, Perú. Tierra Group logged geotechnical, geological and geo-mechanical properties of drill core advanced in Antapaccay's Northern Pit. Approximately 6,000 meters of core were logged. Specific samples were selected for geotechnical…
Tierra Group provided Tailings Stewardship Services, including a dam inspection, slope stability review and operational improvements. The Guanacevi tailings storage facility, located in Durango, Mexico, consists of dry-stack (Press filtered) tailings placed atop a conventional (slurry) tailings storage facility.
Tierra Group was selected to assist Goldcorp with global Tailings Stewardship Strategy (TSS) implementation at all of Goldcorp’s active tailings sites in Latin America (Mexico, Argentina, and Guatemala). Tierra Group worked in conjunction with Goldcorp and another global engineering consulting…
Tierra Group provided Tailings Stewardship Services including a dam inspection, slope stability analysis review and operational improvements for Endeavour Silver’s El Cubo tailings storage facility in Guanajuato, Mexico.
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