Statement of Qualifications

Earth and its environment provide the natural resources necessary for life. It is mankind’s most precious commodity, whose resources are finite, yet necessary to sustain and expand society. Using Earth’s natural resources modifies the environments natural balance creating both positive and negative impacts. The key to environmental management is balancing the effects of mankind’s earthly modifications to promote life while minimizing impacts harmful to achieving environmental balance. With respect to mankind’s natural resources (excluding water and air), it is said, “If it can’t be grown, it must be mined”. Think about it. It's a given. Developing Earth’s natural resources requires human interaction with the Earth and its environment. Tierra Group assists our customers to produce Earth’s natural resources in a way that minimizes harmful impacts to the environment, while maintaining a balanced sustainability, for continued beneficial uses. Tierra Group’s areas of environmental expertise include:

  • Baseline Studies
  • Environmental Assessments (EA)
  • Environmental Impact Studies (EIS)
  • Permitting
  • Environmental Monitoring
  • Forensics
  • Mined Land Reclamation and Closure

Tierra Group has performed our services on six continents in arid and temperate to extreme climates including;

  • Tropics
  • Semi-Arid and Arid
  • Mediterranean
  • Humid (Sub-Tropical and Continental)
  • Coastal Marine
  • Sub-Artic
  • High Altitude (above 4,000 masl)
  • Mountainous Terrain

By applying our forward thinking geotechnical, water resources, geologic hazards, and civil engineering expertise, Tierra Group has assisted our clients in successfully producing Earth’s natural resources while minimizing environmental impacts and creating balance in our diverse and precious environment.


Select Environmental Projects

Confidential Desktop Due Diligence Review

Tierra Group carried out a desktop Due Diligence review of a Preliminary Economic Assessment for a mine development project in the USA. Tierra Group’s review included; mine plan and production schedule, metallurgical testwork, process design, plant water balance, infrastructure updates, tailings…

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Anglo American Quellaveco

Tierra Group supervised a geotechnical and hydrogeologic drilling investigation program at Anglo American’s Quellaveco Mine in the Moquegua Region of Peru.

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Equity Silver ITRB

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.

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Pitarrilla Mine

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…

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Goldstrike Mine

Engineer of Record Barrick’s Goldstrike Mine processes 30,000 tons of gold ore per day from its combined open-pit/underground operations located in the historic Carlin Trend in Nevada, U.S.A. Goldstrike’s tailings are stored in the North Block Tailings Disposal Facility (NBTDF).…

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Douglas County Public Works

Tierra Group updated the County’s Standard Operating Procedures (SOPs) for Municipal Operations to maintain the County’s compliance with the requirements for stormwater discharges from the County’s municipal separate storm sewer system (MS4) under the Colorado Discharge Permit System (CDPS). Tierra…

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Oracle Ridge Copper

Tierra Group represented Oracle Ridge Mining as the Qualified Person for portions of the feasibility-level design including the Dry Stack Tailings Storage Facility (TSF) Design, Site-Wide Stormwater Management, Water Supply Pipelines, Haul Road and Access Road Design Improvements, and the…

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Los Lirios Project

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…

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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…

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Big Ledge Mine

Tierra Group developed a water balance model to track flows into a backfilled pit at the closed Big Ledge Mine Barite Operation near Wells, Nevada. The Model was used to determine pipeline sizing to a remote treatment pond that is…

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Goldfield Bonanza Project

Lode-Star Gold, Inc., in advance of their proposed mining operations, submited a Physical Separation Facility application with the State of Nevada for their Goldfield Bonanza Project located in Esmeralda County, Nevada. The mine is located in the historic, high-grade gold-bearing district…

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Mt. Todd Dam Assessment

Tierra Group conducted an Independent Technical review of Vista Gold Corp’s Mt. Todd Tailings Storage Facility Expansion in Northern Territory, Australia.

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