Publications
News
Pitarrilla Mine

Project Highlights:

  • 112 Mt Tailings Storage Facility Design
  • Site-Wide Water Management Plan
  • Definitive Feasibility Study
  • MIA (Environmental Impact Statement)
  • Geologic Mapping
  • Hydraulic Design

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 water balance, and writing sections for the Manifestación de Impacto Ambiental (MIA) (Environmental Impact Statement).

Project Highlights:

  • 112 Mt Tailings Storage Facility Design
  • Site-Wide Water Management Plan
  • Definitive Feasibility Study
  • MIA (Environmental Impact Statement)
  • Geologic Mapping
  • Hydraulic Design

Similar projects

Anaconda Mine

Tailings Storage Trade-Off Study Tierra Group completed trade-off studies evaluating potential TSF sites to store 25 million tonnes of tailings. Trade-off studies included dam layouts, cost estimating, and recommendations for future work. Trade-off study challenges were minimizing costs while still…

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

Condor Gold | 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

San Andrés Mine

Previous to Tierra Group, our Team performed a geotechnical forensics assessment, which determined that spent ore from an on-off leach pad operation had liquefied causing a debris flow, which threatened inundating a major river basin. A preventative detention buttress was…

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

Amulsar Gold Project

Tierra Group completed a technical review of the heap leach pad for the Amulsar Mine property owned by Lydian Armenia located near the town of Jermuk to the southeast of Armenia. The heap leach pad consists of four phases with…

VIEW PROJECT

Midas Gold Project

Midas Gold’s project is located in the remote central Idaho Rockies near the town of Yellow Pine.  It is a brownfields gold-antimony project featuring three open pits and an anticipated 22,000 tpd plant throughput, along with challenging terrain and environmental…

VIEW PROJECT

New Jersey Mill TSF

Tierra Group completed a siting study to evaluate six potential sites for a paste TSF. Tierra Group prepared civil layouts for each TSF, determining embankment fill volumes, evaluating required diversions for upstream catchment areas, and pipeline corridor layouts. Tierra Group…

VIEW PROJECT

Andina Veladero Engineering Review

Tierra Group performed a forensic study to determine the cause for volumetrically non-compliant leakage volumes occurring in the heap leach facilities leak detection system. Tierra Group reviewed the facility design, engineering and construction quality assurance (CQA) information, construction as built…

VIEW PROJECT

Newcrest Telfer Tailings Stewardship

Tierra Group provided Tailings Stewardship Services for TSFs and water dams at the Cadia, Terfer, and Red Chris properties. Responsibilities included data/report review; identifying and assisting the client with managing risks, liabilities, controls, and reporting; evaluating progress towards GISTM compliance;…

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

Hermosa Project

Tierra Group provided a Third-Party review of the Hermosa Project Tailings Storage Facility Design and Construction stages 1 & 2 in Patagonia, Arizona

VIEW PROJECT