Tierra Group performed Resident Engineering and Construction Quality Control/Assurance during a pilot Heap Leach Facility construction, and Life of Mine Heap Leach and Tailings Sorage Facility siting, design, and tailings management at Lane Xang Minerals' Sepon Mine in Laos.
Tierra Group is assisting Millcreek Mining and Black Mountain Sand with the preparation of permitting documents for the Lost Creek Project; including a preliminary Stormwater Management Plan, preliminary Groundwater Monitoring Plan, and general permitting exhibits. Tierra Group conducted a site geotechnical…
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.
The Yauricocha Mine is a polymetallic (copper, lead, zinc) underground mine located in Yauyos Province, Lima, Peru. Tailings are deposited in the Yauricocha Tailings Storage Facility (TSF) located 3km from the process plant. Tierra Group was engaged in 2015 to…
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…
Tierra Group provides Tailings Stewardship Services for Nyrstar's Myra Falls Mine Tailings Storage Facility. Tierra Group performed a 5-year Dam Safety Review consistent with the Canadian Dam Association protocols, site training and in depth inspections of management practices and facilities…
Tierra Group developed a site-wide water management plan to improve operational water usage and management at Jaguar Mining's Turmalina Complex in Minas Gerais, Brazil. Turmalina is a zero-discharge facility that required optimizing tailings supernatant usage in the process, enhanced evaporation…
Tierra Group conducted geo-electrical testing to locate leaks present in the geomembrane liners underlying a Solution Conveyance Canal, Sumps 1 and 2, and the Intermediate Pond at Timmins Gold Corp’s San Francisco Mine in Sonora, Mexico. Leak detection testing procedures…
Tierra Group provided a raise design for Doe Run's Brushy Creek tailings embankment, a facility first commissioned in 1973. Cone penetration testing, liquefaction analysis, seepage modeling, and slope stability modeling were performed for the embankment. Hydrology, spillway design, and impoundment layout…
Tierra Group performed an Independent Tailings Technical Review to support the San Bartolomé Mine Prefeasibility Study (PFS) NI 43-101 Technical Report (TR). SRK Consulting Inc. (SRK) is the primary TR author. Tierra Group will provided a Qualified Person (QP) to oversee…
Hollister Waste Rock Facility Storage Tierra Group performed a third-party peer review of a Waste Rock Storage Facility (WRSF) design at Klondex Mines’ (Klondex) Hollister Mine in northern Nevada. The WRSF, as designed, involved lining the mine’s existing West Pit…
Tierra Group performed Resident Engineering and Construction Quality Control/Assurance during a pilot Heap Leach Facility construction, and Life of Mine Heap Leach and Tailings Sorage Facility siting, design, and tailings management at Lane Xang Minerals' Sepon Mine in Laos.
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