Marlin Mine

Project Highlights:

  • Tailings Stewardship Services

Tierra Group provides Tailings Stewardship Services for the Marlin Mine Tailings Storage Facility. Tierra Group performed a 5-year Dam Safety Review consistent with the Canadian Dam Association protocols, a Facilitated Risk Assessment, site training and in depth inspections of management practices and facilities to assure Best Management Practices (BMP) are implemented and potential risks reduced.

Project Highlights:

  • Tailings Stewardship Services

Similar projects

Copperstone Project

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…

VIEW PROJECT

Lost Creek Project

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…

VIEW PROJECT

Brushy Creek

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…

VIEW PROJECT

Gediktepe Peer Review

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.

VIEW PROJECT

Cerro Negro

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…

VIEW PROJECT

Pinos Altos Mine

Tierra Group provided slope stability analysis for Agnico Eagle’s dry stack tailings storage facility containing 330,000 tonnes of tailings.

VIEW PROJECT

El Limón Mine

Tierra Group engineers provided engineering consultancy, design, and construction services for three Tailings Storage Facilities (TSF) (Santa Rosa, Santa Rosa West, and San José) to facilitate 20 years of uninterrupted mine operations. Tierra Group’s services spanned the full tailings lifecycle including…

VIEW PROJECT

Cove Project RIB Geotechnical Investigation

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.

VIEW PROJECT

Stillwater Mining Company

Tierra Group performed a TSF Design Review to support a NI 43-101 compliant Feasibility Study. The TSF design incorporated a paste tailings disposal method in an environmentally sensitive fisheries habitat in south-central Montana.

VIEW PROJECT

La India TSF Feasibility Design

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…

VIEW PROJECT

McLaughlin WWRDF Seepage Collection

Tierra Group designed a Seepage Collection Systems (French Drains) to prevent contact water seepage from comingling with surface water runoff. The collected seepage was routed via pipelines to existing process water handling tanks.

VIEW PROJECT

Hecla WWR 5840’ Raise EDC

Tierra Group prepared an engineering design change to increase the maximum elevation permitted for the mine’s existing WWR. Project included a waste rock dump expansion civil design and stability modeling to verify design complied with regulatory dam safety criteria.

VIEW PROJECT