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Sierra Metals Inc.
Summary
| Project: | Bolivar Mine | |
|---|---|---|
| Deposit: | Bolivar Mine | |
| Location: | Mexico | |
| Commodities: | Silver-Gold-Lead-Zinc | |
| Date: | 4/11/2017 | |
| Report Code: | NI43-101 | |
| Report Type: | Resource Estimation | |
| Project Stage: | Active Mining & Production | |
| Report details: | 11-4-2017: Sierra Metals Inc. announces a Resource Estimation report for its Bolivar Mine deposit at the Bolivar Mine project. Updated mineral resources and ore reserves at Bolivar Mine. The purpose of this Technical Report (Technical Report) is to presen | |
| Resources: | (Reserve, Prob.): 4.327Mt @ 17.5g/t Au, 0.85% Cu, 0.31g/t Au at Bolivar Mine | |
| CP/QP: | [Resources]: Matthew Hastings (SRK Consulting (US) Inc.) | |
| ABSTRACT: | The purpose of this Technical Report (Technical Report) is to present an update on Resources and Reserves for Sierra Metals, Inc. (Sierra Metals or the Company) by SRK Consulting (U.S.), Inc. (SRK) on the Bolivar Mine, Mexico (Bolivar or the Project). Bolivar is an operating mine that has been in commercial production since late 2011. The Bolivar property is owned by Sierra Metals, formerly known as Dia Bras Exploration, Inc., through subsidiary companies Dia Bras Mexicana S.A. de C.V. and EXMIN S.A. de C.V. (collectively Dia Bras). The property consists of 14 mineral concessions (approximately 6,800 ha) in the northern Mexican state of Chihuahua. The property is located in the Piedras Verdes mining district, 400 km south by road from the city of Chihuahua (population 4.8 million as of 2010) and roughly 10 km southwest of the town of Urique (population 1,102 as of 2010). Mineral Resource Estimations have been conducted by Matthew Hastings of SRK Consulting (U.S.) Inc., a Qualified Person under National Instrument 43-101 – Standards of Disclosure for Mineral Projects, using Maptek Vulcan™ and Leapfrog Geo™ software. Bolivar is a currently operating underground mine with production history under Dia Bras ownership of more than five years. A copper concentrate is produced containing payable copper, silver and minor amounts of payable gold. Various underground development activities, test mining, and smaller scale milling has taken place under Dia Bras ownership since the early to 2000s. | |
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