Tierra Group is providing a detailed Tailings Storage Facility design and a process plant geotechnical foundation investigation for Sunshine Silver Mining's Los Gatos Project near San Francisco, Mexico.
Tierra Group is providing a detailed Tailings Storage Facility design and a process plant geotechnical foundation investigation for Sunshine Silver Mining's Los Gatos Project near San Francisco, Mexico.
The La India Mine, located in Sonora Mexico and owned by Agnico Eagle Mines, is expected to pour an average of 90,000 ounces of gold per year over the reserve life. Tierra Group provided engineering design services for Phase 2 and…
Sterling Mine Sterling is an underground gold mine in southern Nevada. Gold recovery is 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…
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…
Barrick Gold Corporation’s Pierina Mine in Ancash Department, Perú began operations in 1998. A progressive reclamation and closure plan began in 2013. In 2015-16 Tierra Group developed detailed engineering designs for channels, sediment traps, two 45,000 m3 sediment ponds, water…
Tierra Group provided a Third-Party review of the Hermosa Project Tailings Storage Facility Design and Construction stages 1 & 2 in Patagonia, Arizona
Tierra Group performed a Dam Safety Review (DSR) including geotechnical investigations and seepage and slope stability analyses for a 20-m high TSF at this 300‑tpd underground polymetallic mine. The audit was prepared following the Mt. Polley tailings dam failure in…
Tierra Group performed a tailings storage facility safety (TSF) audit for the 90 m high upstream constructed tailings dam at La Negra Mine in Querétaro, Mexico. The project included a TSF dam inspection and Dam Safety Inspection Report (DSIR) containing operational…
Tierra Group performed a 3rd party engineering design peer review of a tailings storage facility expansion design. The review resulted in the owner realizing $650,000 in cost savings without compromising the facility's design integrity over the original design. Tierra Group also…
Tierra Group performed Dam Safety Reviews (DSRs) for Nyrstar’s tailings storage facilities (TSFs) located in Tennessee, United States. Tierra Group served as the Tailings Reviewer to ensure conformity with local regulations, the Nyrstar Tailings Storage Facility (TSF) Standard, and to…
West Fork Unit Tailings Embankment Design and Permitting Prior to joining Tierra Group, our Team was the Design Team Leader/Project Manager for designing a 20-foot downstream cycloned tailings embankment raise, and an earthen-cut emergency spillway. A design report and and…
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…
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