BOLANITOS PROJECT
Overview
Endeavour acquired its second mine, Bolanitos, in 2007, located in Guanajuato, the 2nd largest historic silver mining district in Mexico. Endeavour continued low level production until it discovered the first new orebody at Lucero in 2008. The mines were developed using mechanized, underground, ramp access and the plant was expanded over 300% to a 1600 tpd capacity. The Company subsequently discovered ten new orebodies, mined out eight orebodies, and is currently mining at La Luz, Lucero and San Miguel.
| Location | 12 km northwest of Guanajuato City |
|---|---|
| Access | maintained all-weather gravel road |
| Property | 2,500 hectares |
| Infrastructure | Connected to power grid, readily available water and labour in La Luz |
| Mine | Underground, ramp access, mechanized long hole and cut-and-fill mining methods |
| Plant | 1,600 tpd capacity flotation plant to produce bulk sulfide concentrates, currently operating around 1100-1200 tpd |
| District | Large, multi-vein silver-rich historic district 20 km long by 20 km wide |
| Resources | Nine low sulfidation epithermal vein deposits in nine separate subparallel veins |
| Widths | 1-10m, average 5m |
2020 Operating Statistics
| Production | 353,318 oz silver 18,963 oz gold 1.9 million ounces of silver equivalent (80:1 silver:gold) |
|---|---|
| Grades | silver 40 gpt/ gold 2.02 gpt |
| Recoveries | silver 83.0%/ gold 88.2% |
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Bolañitos is our lowest cost mine
