Tierra Group performed a detailed engineering design for a 4km access road and diversion channel, and the feasibility design for water diversion structures (including electrical and mechanical layout for a pump station). Tierra Group also performed a geotechnical investigation and updated the hydrological model.
El Mochito is an underground zinc/silver mine located in the Santa Barbara Mountains in north-central Honduras. Tierra Group’s Team has been providing Tailings Stewardship Services at El Mochito continuously for the past 26 years. Since 1989, Tierra Group engineers have provided…
Tierra Group performed a forensic study to determine the cause for volumetrically non-compliant leakage volumes occurring in the heap leach facilities leak detection system. Tierra Group reviewed the facility design, engineering and construction quality assurance (CQA) information, construction as built…
Tierra Group evaluated geotechnical and hydrogeological characteristics of Tajo Crimea Pit to determine in-pit tailings storage feasibility. The project scope defined geotechnical and hydrogeologic site conditions through field investigations, and in-situ pump testing. A 3D groundwater model was developed to…
Tierra Group provided an annual third-party tailings storage facility and heap leach facility technical review at Anagold’s Çöpler Gold Mine in Middle Anatolia, Turkey.
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 performed an initial site visit to Couer Mining’s Palmarejo Mine to conduct dam safety inspections of the tailings storage facility, environmental control dam, water diversion dam, and water diversion channel. Prior to the site visit, Tierra Group reviewed…
Tierra Group conducted a slope stability analysis for Troy Resources’ Hicks 4 Phase 2 North Wall Failure and provide recommendations for stable pit configurations.
Tierra Group provided a feasibility-level Tailings Storage Facility (TSF) design for Condor Gold’s La India Project permitting, a planned 2,000 tpd open pit mine in western Nicaragua. TSF embankments used rockfill from the open pit and a geomembrane liner for…
Jaguar's gold operations, Turmalina, Paciência and Caeté, are located in the Iron Quadrangle region, a prolific greenstone belt near the city of Belo Horizonte in the state of Minas Gerais, Brazil. Jaguar controls 27,357 hectares of mineral concessions in this…
Tierra Group conducted an update of the Mexican Hat Project’s Preliminary Economic Assessment. Tierra Group’s update included the heap leach facility design and preliminary stacking plan, waste rock storage pad, and crushed rock storage pad design.
Tierra Group served as an independent subject matter expert for the Quinsam Coal Corporation (QCC) Independent Tailings Review Board (ITRB) in British Columbia, Canada. The annual review process included review of existing documents, a site visit, and collaborative meetings with…
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…
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