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Peru
Alpamarca Operation (Alpamarca Mine, Rio Pallanga Mine)

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 Location:
111 km NE from Lima, Peru

  Regional Office:
Av. Manuel Olguín 373, Santiago de Surco
Lima
Peru
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Zinc
  • Lead
  • Copper
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2023
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.


Owners

Source: p. 13,14
CompanyInterestOwnership
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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Deposit Type

  • Vein / narrow vein


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.


Mining Methods

  • Truck & Shovel / Loader


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.


Crushing and Grinding


Processing

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Summary:

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Production:
The suspension of operations at the open pit in Alpamarca since mid-May to assess alternatives for its final operational stage.

CommodityProductUnits2022202120202019201820172016
Zinc Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required8.4129.8
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required152217
Lead Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate M oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Daily processing capacity  ......  Subscription required  ......  Subscription required2,500 t2,500 t2,500 t2,500 t
Ore tonnes mined  ......  Subscription required  ......  Subscription required654 kt921 kt962 kt1,008 kt
Tonnes processed  ......  Subscription required  ......  Subscription required784 kt950 kt948 kt958 kt
Annual processing capacity  ......  Subscription required  ......  Subscription required1 Mt
Daily mining capacity  ......  Subscription required  ......  Subscription required2,518 t of ore
Subscription required - Subscription is required.

Reserves at December 31, 2022:

CategoryTonnage CommodityGradeContained 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

Operating Costs:

Units20222021202020192018201720162015
OP mining costs ($/t milled) USD 4.5  9.8  13.4  11.5  5.5  5.4  11  
Combined mining costs ($/t milled) USD  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units2022202120202019201820172016
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 5.9   4.1   2.4  
Subscription required - Subscription is required



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 18, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 18, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 18, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Annual Report 2022
Corporate Presentation 2022
Financial Review 2022
Management Discussion & Analysis 2022
Quarterly Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Management Discussion & Analysis 2018
Annual Report 2017
Management Discussion & Analysis 2017
Annual Report 2016
Management Discussion & Analysis 2016
Annual Report 2015
Management Discussion & Analysis 2015
Press Release 2015
Annual Report 2014
Annual Report 2013
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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