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El Cubo

Overview

Due to the remaining mine life, Endeavour will reduce the production rate in 2019 to half of the 1,500 tpd capacity and continue to explore for new recoveries. Endeavour acquired its third and largest mine by silver equivalent production, El Cubo, in 2012, also located in Guanajuato. Endeavour continued moderate level production until it discovered the first new orebody at V-Asuncion in 2013. The mines were developed using mechanized, underground, ramp access and the plant was completely rebuilt and expanded 50% to a 1500 tpd capacity. The Company subsequently discovered extensions of several other orebodies and is currently mining at V-Asuncion, Dolores and Santa Cecilia.

Location 10 km east of Guanajuato City
Access Maintained all-weather gravel road
Property 8,100 hectares
Infrastructure Connected to power grid, readily available water and labour in El Cubo
Mine Underground, ramp access, mechanized long hole & cut-and-fill mining methods
Plant 1,500 tpd capacity flotation plant to produce bulk sulfide concentrates
District Large, multi-vein silver-rich historic district 20 km long by 20 km wide
Resources Multiple low sulfidation epithermal vein deposits in 38 subparallel veins
Widths 1-5 m, average 2 m

2018 Operating Statistics

Production 2.6 million oz silver
26,616 oz gold
4.6 million ounces of silver equivalent (75:1 silver:gold)
Grades silver 176 gpt/ gold 1.87 gpt
Recoveries silver 87.6%/ gold 85.0%