Los Lirios is a brownfields mine development project in southern Honduras. Los Lirios lies adjacent to an extensive shrimp-farming industry which raises water quality and supply awareness. Tierra Group is implementing a pre-development baseline water characterization study for the proposed mining project.
Tierra Group is implementing a corporate Tailings Stewardship Strategy (TSS) at all of ASARCO Grupo Mexico’s mines in Arizona, USA (Hayden, Mission and Ray mines). Tierra Group conducted a site visit to each site to perform dam safety inspections, interview…
Tierra Group supported construction of the San Albino Mine in Nueva Segovia, Nicaragua. Tierra Group designed a dry stack drum filtered-tailings storage facility. A siting study optimized the dry stack location and minimized CAPEX and OPEX. Tierra Group developed a site-wide water…
Tierra Group supervised a geotechnical and hydrogeologic drilling investigation program at Anglo American’s Quellaveco Mine in the Moquegua Region of Peru. Geotechnical Investigation Tierra Group developed a geotechnical and hydrogeological research plan within and near the Quellaveco Pit footprint. This…
Tierra Group assisted with developing tailings disposal alternatives.
GoldSim Training Tierra Group provided GoldSim training to the Agnico Team and updated the heap leach water balance. Phase 2 & 3 Heap Leach Pad Design and Construction Quality Assurance Tierra Group provided engineering design services for the Phase 2 and 3…
Tierra Group completed a geotechnical investigation, which included overseeing hollow stem auger (HSA) drilling and laboratory testing, that characterized the existing earthen dam. Tierra Group completed a low-level outlet structure design that was believed to have been compromised by internal…
Sterling Mine is an underground gold mine in southern Nevada which recovers gold through heap leaching and a carbon adsorption-desorption-recovery (ADR) plant. Tierra Group team members have a long history at Sterling, starting with heap leach pad final permanent closure…
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 conducted an Independent Technical review of Vista Gold Corp’s Mt. Todd Tailings Storage Facility Expansion in Northern Territory, Australia.
Tierra Group's Matt Fuller, LEG, P.Geo. serves as one of three ITRB technical experts providing technical assurance of the Engineer of Record’s design and monitoring compliance with BC regulations, the Newmont Corporate Tailings Standard, and industry best practices.
Tierra Group conducted a field investigtion to characterize geologic conditions for a proposed underground mine. The field investigation supported the design work completed by Stantec.
Topia Mine Phases 1-3Tierra 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.
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