Tierra Group conducted a due diligence review of a confidential project in South Africa.
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.
Tierra Group conducted a geotechnical investigation program to provide data for pit slope design. Tierra Group provided field support through oriented core logging, pit wall mapping, selected samples for laboratory testing, and provided pit slope design recommendations for safe open…
TSF Design and CQA 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. Tierra Group then…
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 began work at La Trinidad providing heap leach pad construction recommendations and a water balance. Tierra Group continued support with a heap leach pad expansion design, slope stability analyses, hydrologic analyses, diversion design, liner design, and leach solution…
Contonga, a 990 tpd underground Zinc mine located in Perú’s Ancash Region, has been in operation for more than 25 years. Tierra Group team members assisted Nyrstar’s acquisition due diligence team by performing a fatal flaw analysis of Contonga’s Tucush…
Tierra Group developed a site-wide water management plan, and performed a liquefaction potential study following the Samarco tailings dam failure in Minas Gerais, Brazil. A tailings storage facility water balance was developed to optimize water usage and minimize risks at…
Tierra Group International, Ltd. participated as the geotechnical lead engineering firm for the Copperstone Project Pre-Feasibility Study (PFS) in Arizona, U.S.A. Tierra Group was responsible for tailings and waste rock storage, water management and underground geotechnics design and cost estimates…
Tierra Group provided technical direction and review of the Gediktepe Heap Leach Facility (HLF), ponds, and waste rock dump facility designs. Tierra Group will also provide CQA review during HLF construction.
Tierra Group prepared a civil engineering design for SSR Mining’s Mina Pirquitas in Jujuy Province, Argentina and developed current and future water-mass balance through hydrological/hydraulics calculations and modeling. Tierra Group developed the ultimate tailings surface, deposition plan, spillway relocation analysis,…
Tierra Group supported proposed Rapid Infiltration Basins Geotechnical Investigation at Au-reka Gold Corporation’s Cove Project in Nevada. Investigation included borehole drilling, test pits, infiltration testing and permeability testing.
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…
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