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Aida

Overview

Aida represents a bulk tonnage and/or High Grade, “Bolivian Silver Belt” Low Sulfidation Epithermal Silver Project. 2019 exploration plans include ground magnetic survey to help define mineralized structures and possible buried intrusions, and possibly 2,500 m of diamond drilling in H2, 2019 subject to re-allocating funds in the exploration budget.

Location & Infrastructure Located in northern Chile Region II along the Argentina border, 180 km southeast of Calama and 60 km southwest of SSR’s Pirquitas mine in northern Argentina, accessible by paved highway 27 and dirt road. The town of San Pedro de Atacama is about 110 km west of Aida and has modern infrastructure with a natural gas pipeline that follows the highway, within 22 km of the property.
Property Description 7,900 hectares total, consisting of 3 older mineral concessions which cover the small, historic Mina Vieja mine, on which Endeavour holds an option to purchase a 100% interest subject to a 2% NSR, surrounded by 30 new mineral concessions staked by Endeavour. The Company can purchase the 3 historic concessions for $3.2 million payable over 6 years with the final payment due in 2023. The NSR can be purchased for $2.0 million at any time per concession.
Geology Aida covers a 4 km long x 2 km wide, argillic-phyllic-silicic alteration zone within dacite-andesite tuffs, breccias, flows, siltstones, sandstones and conglomerates intruded by a Miocene rhyo-dacite dome.
Geochemistry Endeavour collected and analyzed 1,244 rock samples and 1,829 soil samples to define two main targets. Rock samples from the southwest Manto Target, including Mina Vieja, assayed up to 2,203 gpt silver and soil samples defined a silver-manganese-lead-zinc-antimony anomaly measuring 2.4 km long x 1.6 km wide and possibly much larger as the manto dips below cover rocks to the north. Rock samples from the northeast Domo target assayed up to 60 silver and soil samples defined a large silver-antimony-arsenic-mercury anomaly measuring 4.0 km x 0.5 km.
Potential Both bulk tonnage and high-grade mineralization is found on the property, in two different areas. The southwest Manto Target near the Mina Vieja underground mine workings hosts oxide silver-manganese (lead-zinc-antimony-mercury) mineralization. The northeast Domo Target near the rhyo-dacite dome hosts high level silver (antimony-mercury-arsenic) mineralization. The target types are bulk tonnage, disseminated/stock-work, and/or high-grade silver vein, low sulphidation epithermal deposits within a Miocene volcanic caldera (examples include Pirquitas, Chinchillas, Cerro Potosi).