Morelos Mine

Project Highlights:

  • Geotechnical Investigation
  • Stability Analysis
  • Annual Inspection
  • Dry Stack Tailings Monitoring

Tierra Group designed and implemented a stability and safety monitoring plan for Torex Gold’s Morelos Mine dry stack tailings storage facility (TSF). The monitoring plan includes installing inclinometers and vibrating wire piezometers, and training operations staff to download instrumentation readings. Tierra Group analyzed instrumentation data, developed quarterly Monitoring Reports, performed slope stability analysis, and annual inspections to assure the safety and structural stability for the 14,000 tpd (ultimately) dry stack TSF in Guerrero, Mexico.

Project Highlights:

  • Geotechnical Investigation
  • Stability Analysis
  • Annual Inspection
  • Dry Stack Tailings Monitoring

Similar projects

Karouni Mine

Tierra Group reviewed and provided pit slope recommendations and conducted hydrological assessments for the Resource 1 and 2 deposits water management system at Troy Resources’ Karouni Mine (Karouni). Advanced pre-feasibility level recommendations for pit development were provided based on benchmarking…

VIEW PROJECT

Hod Mine Waste Dump and Surface Water Management Design

Tierra Group provided design review and technical direction at Hod Mine in the Artvin Province of Turkey. Work included detailed design of potentially acid generating and non-acid generating waste dump facilities, their appurtenant structures and stormwater management design for the…

VIEW PROJECT

Isabella Pearl

Tierra Group performed a technical peer review of the Isabella Pearl heap leach facility (HLF) owned by Gold Resource Corporation. Isabella Pearl mine is located at the west end of the Santa Fe mining district in the Walker Lane gold…

VIEW PROJECT

El Aguila

Dry Stack Tailings Options Analysis Tierra Group performed an independent TSF expansion engineering design peer review. The review resulted in cost savings ($650,000) without compromising the facility's design integrity over the original design. Tierra Group also provided full-time CQA. Tierra…

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

Lost Creek Project | USA

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

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 trade-off study provided a tool for American Gypsum to evaluate safety improvements including alternative haul road…

VIEW PROJECT

Don Mario Gold Mine

Don Mario Mine is an open pit gold/copper mine located in the Chiquitos Province, Santa Cruz, Bolivia that has been operating since 2002 and currently produces 2700 tpd mill throughput. Conventional tailings are transported and deposited in a high-density polyethylene lined geomembrane valley…

VIEW PROJECT

San Bartolome Mine | NI 43-101 Tailings Technical Review & Report

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…

VIEW PROJECT

Stillwater Mine

East Boulder Tailings Independent Review Panel (2018-present) Tierra Group reviewed a TSF design to support an NI 43-101 compliant Feasibility Study. The TSF design incorporated a paste tailings disposal method in an environmentally sensitive fisheries habitat. Tierra Group sits on the Independent…

VIEW PROJECT

2020 TSF Annual Dam Inspection

Tierra Group completed an annual dam safety inspection (DSI) to meet both Nevada Division of Water Resources (NDWR) Dam Safety and the client's requirements. The DSI included reviewing monitoring data, a dam and appurtenant structures inspection, and a DSI report.

VIEW PROJECT

Buriticá Tailings Stewardship & Cyanide Speciation

Tierra Group provided Tailings Stewardship Services for Continental Gold’s Buriticá Project in Antioquia, Columbia which included permitting support, Third-Party Review and construction and operations support. Tierra Group oversaw the development of a 2D hydrodynamic model to support the design of…

VIEW PROJECT