Overview

Mine Type	Underground
Status	Closing / Closed
Commodities	Silver Gold
Mining Method	Cut & Fill Drift & Fill Post Pillar Cut & Fill
Backfill type	...
Production Start	...
Snapshot	Joaquin mine is a part of Manantial Espejo Operation. Mining and processing activities at Manantial Espejo largely concluded at the end of 2022 and the operation was placed on care and maintenance in January 2023. The Manantial Espejo, Joaquin and COSE mines in Argentina are in the reclamation phase and mining activity has ceased.
Related Asset	Manantial Espejo Operation

Deposit type

• Hydrothermal
• Breccia pipe / Stockwork

Summary:

Mineralization at Joaquin is classified as low sulphidation hydrothermal breccia.

Silver and gold mineralization is hosted within a northwest trending structure that dips approximately 45° to the northeast. The majority of the mineralization is hosted within a silicified breccia, with lesser stockworks and veinlets. Silver is present as native silver, bromargyrite, and acanthite/argentite, with lesser stromeyerite, freibergite, and pyrargyrite/stephanite. The sulphide content is low and consists principally of pyrite and galena. Hematite, jarosite, and manganese oxides are commonly noted. The host minerals are dominated by quartz and feldspar. Hydrothermal alteration is weak to moderate and comprises fine grained replacement quartz and widespread illite and kaolinite alteration.

Mineralization within the economic mine plan is located between approximately 110 m and 310 m below surface and trends for 375 m along strike.

Mining Methods

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Comminution

Crushers and Mills

Processing

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Production