La Negra Mine

Project Highlights:

  • Tailings Storage Safety Audit

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 and Best Management Practice (BMP) improvement recommendations.

Project Highlights:

  • Tailings Storage Safety Audit

Similar projects

Los Gatos Project

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.

VIEW PROJECT

Santa Pancha Mine

Tierra Group provided a desktop and field review of B2Gold’s Santa Pancha Mine hydrogeology . The review identified data gaps in site data and provided recommendations for ameliorating the existing site hydrogeology model and improve underground water management system efficiency.

VIEW PROJECT

Confidential Client - Brazil

Tierra Group performed a pre-investment technical tailings due diligence review.

VIEW PROJECT

Confidential Client - Armenia

Tierra Group International performed a Tailings Technical Due Diligence Review for a confidential client in Armenia.

VIEW PROJECT

Morro do Ipe Due Diligence

Tierra Group served on an Independent Engineering Team performing a tailings management and operations Due Diligence Technical Review at the Morro do Ipe iron ore mine in Minas Gerais, Brazil.

VIEW PROJECT

Bolivar Mine

The Bolivar mine is a 3,000 tonne per day underground mining operation in Chihuahua, Mexico producing copper, zinc, silver, and gold. Space constraints in mountainous terrain require dewatering tailings to reduce required area for tailings storage. Tierra Group is assisting…

VIEW PROJECT

Black Butte Copper Project

Black Butte Copper Project 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…

VIEW PROJECT

Rosario Mine

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…

VIEW PROJECT

El Limón Mine

El Limón Mine is a 1,200-tpd underground gold mine in northwest Nicaragua that has operated since 1941. Tierra Group’s team has been responsible for tailings management at El Limón since 2000. Tierra Group engineers have provided engineering consultancy, design, and…

VIEW PROJECT

American Gypsum

American Gypsum Pit Planning and Support Tierra Group began working at American Gypsum’s Eagle-Gypsum mine located in Gypsum, Colorado in 2014 evaluating haul road improvements. A tradeoff study was completed providing a tool that American Gypsum used to evaluate safety…

VIEW PROJECT

Sterling Mine

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…

VIEW PROJECT

Bolanitos

Tierra Group provided Tailings Stewardship Services including a dam inspection, slope stability analysis review and operational improvements for Endeavour Silver’s Bolanitos tailings storage facility.

VIEW PROJECT