Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
|
| Production Start | ...  |
| Mine Life | 2023 |
The Alpamarca operations began in April 2014 and is made up of the Río Pallanga underground mine (suspended), the Alpamarca open pit, a concentrator plant and the Romina expansion project.
The exploitation of the Alpamarca mine is planned until December 2023. The Romina project will ensure the continuity of the Alpamarca operation. Estimated start of operations by the end of 2024. |
Source:
p. 13,14
| Company | Interest | Ownership |
|
Glencore plc.
|
23.3 %
|
Indirect
|
|
Compañía Minera Chungar S.A.C.
(operator)
|
100 %
|
Direct
|
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.
Compañía Minera Chungar S.A.C. is a subsidiary of Volcan Compañía Minera S.A.A., and has two mining units, Animon and Alpamarca.
In Q4 2022, Glencore commenced a process exploring the possible disposal of its 23.3% economic interest in Volcan.
Contractors
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Summary:
The Alpamarca operations is made up of the Río Pallanga underground mine (suspended), the Alpamarca open pit and the Romina expansion project.
The Alpamarca-Rio Pallanga project is a deposit of lead, zinc, silver and copper veins. It is located 4,700 meters above sea level in the Santa Bárbara district of Carhuacayan, Yauli Province, Junin Region.
Ten kilometers from Alpamarca is the old Rio Pallanga mine, a deposit with significant potential at depth and in the lateral extensions of the vein in the explored area. The Rio Pallanga resources, which contain high grades of silver, will support ongoing operations at Alpamarca and provide a solid basis for development of projects at Colquihuarmi and Carhuacayan, located 14 and 25 kilometers to the southwest, respectively.
Romina II
The Puagjanca and Andrea deposits are in an advanced exploration project stage, with polymetallic mineralisation of zinc, lead, and silver. The mineralisation is in the form of lead and zinc-rich replacement bodies and mantles. It is located 15 km west of the Alpamarca mine in the Pacaraos district, Huaral province. In 2022 a drilling campaign refined the deposit extents, resulting in a reduction of 2.5Mt and a gain in mineral resource grades.
Summary:
(Translated from Spanish by Google Translate)
Alpamarca began operations in April 2014 and is made up of the mine Río Pallanga underground (suspended) and the Alpamarca open pit.
According to the update of reserves to December 2022, the exploitation of the Alpamarca pit is projected until December 2023 and the plant will be fed with said mineral, complementing with the old stock piles and tailings.
Mining activities suspended since 2015 at Río Pallanga. Operations were carried out within the Pallanga 3 concession and continued with preparation, development and production of the Ramal 1 and San José veins. Long-hole drilling was used in narrow veins, where very good results were obtained in controlling mining widths. In addition, there was excellent control of the supports using bolts and mesh. Finally, the auxiliary drainage and ventilation systems for deepening the mine were completed.
Source:
Summary:
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Reserves at December 31, 2022:
| Category | Tonnage | Commodity | Grade | Contained Metal |
|
Proven & Probable
|
0.7 Mt
|
Zinc
|
1 %
|
7 kt
|
|
Proven & Probable
|
0.7 Mt
|
Lead
|
0.8 %
|
5 kt
|
|
Proven & Probable
|
0.7 Mt
|
Copper
|
0.1 %
|
|
|
Proven & Probable
|
0.7 Mt
|
Silver
|
1.4 oz/t
|
1 M oz
|
|
Total Resource
|
3.9 Mt
|
Zinc
|
1 %
|
40 kt
|
|
Total Resource
|
3.9 Mt
|
Lead
|
0.7 %
|
27 kt
|
|
Total Resource
|
3.9 Mt
|
Copper
|
0.1 %
|
2 kt
|
|
Total Resource
|
3.9 Mt
|
Silver
|
1.6 oz/t
|
6 M oz
|
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