Peru

Andaychagua Mine

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Categories

Overview

Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Copper
  • Silver
Mining Method
  • Sub-level stoping
  • Overhand Cut & Fill
  • Cemented hydraulic fill
Production Start... Lock
Mine Life2028
ShapshotThe Andaychagua underground mine is part of the Yauli operating unit.
Related AssetYauli Operation

Owners

SourceSource
CompanyInterestOwnership
Glencore plc. 23.3 % Indirect
Volcan Compañía Minera S.A.A. is a subsidiary of Glencore AG, which is a subsidiary of Glencore Plc., owner of 63% of common class A voting shares and an economic interest of 23%, excluding treasury shares.

Volcan Compañía Minera S.A.A. and its subsidiary companies engaged in the mining sector operate the mining unit of Yauli, which includes the Andaychagua underground mine.

In Q4 2022, Glencore commenced a process to dispose of its 23.3% economic interest in Volcan, which is ongoing. As a result, the carrying amounts of Volcan assets and liabilities as at 31 December 2023 and 31 December 2022 are classified as held for sale.

Deposit type

  • Vein / narrow vein
  • Epithermal
  • Skarn
  • Porphyry

Summary:

The Yauli unit region shows mineralization related to polymetallic epithermal systems, replacement bodies and polymetallic vein systems, as well as porphyry mineralization and skarns, thus indicating the great potential of the area. The southern portion of the Yauli Dome is including the San Cristobal polymetallic deposit. The San Cristobal-Andaychagua mining district includes only mantos and veins. The mantos are hosted by the Pucara limestone along the contact with the underlying Mitu Group, and occur mainly along the western flank of the Domo de Yauli. The veins are steeply dipping and crosscut rocks of the Mitu and Excelsior Groups, and locally the Chumpe and San Cristobal intrusions. Andaychagua Vein is one of the producers in the San Cristobal district, is one of the most important veins on the southeast side of the Chumpe intrusive. The vein lies on the northeast side of the Chumpe Anticline. About three and a half kilometers southeast of the San Cristobal Vein system. The Andaychagma Vein strikes N 30° E and dips 85° northwest. The vein can be traced on the surface for about four kilometers, three of which are in Mitu volcanic rocks and one of which in Excelsior Phyllites. The structure continues on the surface across the axial zone to the southwest side of the Chumpe Anticline, but only as a fault structure without apparent mineralization. The Andaychagua Vein carries sphalerite, galena, and silver minerals.

Reserves

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Mining Methods

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Comminution

Crushers and Mills

Milling equipment has not been reported.

Summary:

Andaychagua's processing plant include grinding circuit consist of primary ball mills #1, 2 (10.5 'x 14', 8 'x 10') and secondary grinding ball mill (7’ x 12’).

Processing

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Production

Combined production numbers are reported under Yauli Operation

Operational metrics

Metrics202320222021202020192018
Ore tonnes mined 000000000000000854 kt
Waste 00000000000000000000000000
Tonnes processed 000000000000000854 kt
Daily ore mining rate 0000
Daily mining capacity

Production Costs

Commodity production costs have not been reported.

Heavy Mobile Equipment

Fleet data has not been reported.

Personnel

Mine Management

Source Source
Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 9, 2024
....................... Subscription required ....................... Subscription required Subscription required May 9, 2024
....................... Subscription required ....................... Subscription required Subscription required May 9, 2024
....................... Subscription required ....................... Subscription required Subscription required May 9, 2024

Aerial view:

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