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 energy dissipation structures, and an automatized mechanical-electrical water and sediment pumping system.
Don Mario mine is an open pit gold/copper mine located in the Chiquitos Province, Santa Cruz, Bolivia. Don Mario mine has been operating since 2002 and currently produces 2700 tpd mill throughput. Conventional tailings are transported and deposited in a…
La Libertad is an open-pit gold mine located in the Chontales department of Nicaragua. Tierra Group’s team was initially involved at La Libertad in 1998 when a geologic hazard assessment was performed, which identified a major landslide that was disrupting…
Tierra Group performed a Dam Safety Review (DSR) for Nyrstar’s tailings storage facility (TSF) located in Campo Morado (Guerrero, Mexico). Tierra Group served as the Tailings Reviewer to ensure conformity with local regulations, the Nyrstar Tailings Storage Facility (TSF) Standard,…
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 performed a third-party design review of a Cemented Tailings Facility (CTF) and multiple process and freshwater ponds. Tailings will be mixed with cement at the planned paste plant and deposited in the CTF along with underground mine development…
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, and performed a liquefaction potential study following the Samarco tailings dam failure in Minas Gerais, Brazil. A tailings storage facility water balance was developed to optimize water usage and minimize risks at…
Tierra Group provided Tailings Stewardship Services including a dam inspection, slope stability analysis review and operational improvements for Endeavour Silver’s El Cubo tailings storage facility in Guanajuato, Mexico.
Tierra Group performed a due diligence study of Masbate’s 12-Mt tailings storage facility. Services provided included a forensic study to determine the cause of seepage through an abutment and performed an independent safety audit of tailings management practices. A risk…
Tierra Group participated as a member of a multi-disciplinary project team to develop a Definitive Feasibility study for a 16,000 tpd silver mine in Durango, Mexico. Tierra Group's responsibilities included designing a 112 Mt tailings storage facility, developing a site-wide…
The Aranzazú mine is a copper-gold-silver mine located in the northeastern region of Zacatecas, Mexico. The mine includes both open pit and underground operations. The mill currently processes 2,600 tonnes of ore per day. Tierra Group is responsible for the…
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…
Core Values
Logo
Founders
Team
Clients
History
Geotechnical
Water Resources
Civil
Environmental
Geohazards
Projects Map
Geotechnical
Publications
News