Tierra Group performed an initial site visit to Coeur Mining’s Palmarejo Mine to conduct dam safety inspections of the tailings storage facility, environmental control dam, water diversion dam, and water diversion channel. Prior to the site visit, Tierra Group reviewed…
Tierra Group has a history of annually providing third-party technical reviews for the tailings storage facility and heap leach facility at Anagold's Çöpler Gold Mine in Middle Anatolia, Turkey. Additionally, Tierra Group currently performs independent technical reviews for the rockfill…
Tierra Group served as an independent subject matter expert for the Quinsam Coal Corporation (QCC) Independent Tailings Review Board (ITRB) in British Columbia, Canada. The annual review process included review of existing documents, a site visit, and collaborative meetings with…
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.
Earthworks & Construction Quality Control (CQC) Services Tierra Group provided earthworks and concrete Construction Quality Control (CQC) services for B2Gold's Fekola Mine in western Mali. Tierra Group overcame the remote location and kept a dedicated team on-site throughout the 2-year…
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 improve an existing site hydrogeology model and improve underground water management. The hydrogeologic model…
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…
Tierra Group International, Ltd. participated as the geotechnical lead engineering firm for the Copperstone Project Pre-Feasibility Study (PFS) in Arizona, U.S.A. Tierra Group was responsible for tailings and waste rock storage, water management and underground geotechnics design and cost estimates…
Tailings Storage Facility & Engineer of Record (2012-present) Tierra Group engineers provided engineering consultancy, design, and construction services for three Tailings Storage Facilities (TSF) (Santa Rosa, Santa Rosa West, and San José) to facilitate 20 years of uninterrupted mine operations. Tierra…
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…
The Aranzazú Mine is a copper-gold-silver mine located in the northeastern region of Zacatecas, Mexico. The mine includes both open pit and underground operations. The mill currently processes 2,600 tonnes of ore per day. Tierra Group finalized the geotechnical investigation…
Tierra Group began work at La Trinidad providing heap leach pad construction recommendations and a water balance. Tierra Group continued support with a heap leach pad expansion design, slope stability analyses, hydrologic analyses, diversion design, liner design, and leach solution…
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