Proyecto Copperstone

Project Highlights:

  • Geotecnia subterránea
  • Almacenamiento de la roca de residuos
  • Manejo de agua
  • Diseño del almacenamiento de relaves

Tierra Group International, Ltd. participó como la empresa líder en el área de ingeniería geotécnica del Estudio de prefactibilidad (PFS) del Proyecto Copperstone en Arizona, EE. UU. Tierra Group estuvo a cargo del almacenamiento de relaves y material estéril, de la gestión del agua y el diseño geotécnico subterráneo y de las estimaciones de costos preparadas para un Informe Técnico NI 43-101 elaborado por Hard Rock Consulting, LLC. Tierra Group también colaboró con el propietario de la mina, Kerr Mines Inc., en la evaluación de métodos de minería subterránea y el desarrollo de un plan de control de suelos.

Project Highlights:

  • Geotecnia subterránea
  • Almacenamiento de la roca de residuos
  • Manejo de agua
  • Diseño del almacenamiento de relaves

Similar projects

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

Rhyolite Ridge

Tierra Group is providing water management and geotechnical engineering services to support a Preliminary Feasibility Study at the Rhyolite Ridge Lithium Mine Project in Nevada.

VIEW PROJECT

Brushy Creek 2

Tierra Group was commissioned by Doe Run to design a new tailings storage facility at the Brushy Creek Mine. Tierra Group completed a geotechnical investigation including boring, classifying, and sampling soil and rock. Trade-off studies were performed to minimize construction…

VIEW PROJECT

Midas Mine

The Midas Mine is located in northern Nevada, and is owned and operated by Hecla Mining Company.  The mine is an underground mine with an operating mill. The mine’s existing tailings facilities are nearing their end of operating life and…

VIEW PROJECT

Bald Mountain Mine

Tierra Group assisted the Bald Mountain Mine Project Development Team with an evaluation of potential uses for spent ore on legacy heap leach facilities. Tierra Group completed a collaborative trade-off study with site personnel evaluating spent ore use as overliner…

VIEW PROJECT

Bunker Hill

Dry Stack Tailings Storage Facility Tierra Group designed a dry stack TSF to store excess tailings from the underground paste backfill. The dry stack TSF was challenging, given the limited land area, steep terrain, seasonal cold weather, and surface water…

VIEW PROJECT

Aurora Mine

The Aurora Mine Mill Facility (previously Esmeralda Mill) is located in the historic Aurora mining district of the eastern Sierra Nevada Mountain Range in Nevada, USA. Aurora recently, with the support of Tierra Group completed a Minor Modification to the…

VIEW PROJECT

Fire Creek Mine

Tierra Group conducted a siting analysis for a new WRSF to support the mine’s future production increase as part of the Preliminary Feasibility Study (PFS). In addition to supporting the PFS, Tierra Group assisted in preparing and submitting several engineering…

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

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…

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

Robinson Mine

Robinson Mine Tailings Impoundment Audit Prior to joining Tierra Group, our Team completed a third-party tailings impoundment audit. The audit included reviewing operational procedures, monitoring, design, and future tailings storage planning. Produced an audit report for company’s internal use. (Tetra Tech,…

VIEW PROJECT