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Peru
Alpamarca Mine (Alpamarca Operation)

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 Location:
111 km NE from Lima, Peru
  Regional Office:
Av. Manuel Olguín #375, Piso 7, Urb. Los Granados, Santiago de Surco
Lima
Peru
Phone  ...  Subscription required
Fax51-1-4167494
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Zinc
  • Lead
  • Silver
  • Copper
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation

Owners

Source: p. 21
CompanyInterestOwnership
Volcan Compania Minera S.A.A. 100 % Indirect
Compañía Minera Chungar S.A.C. 100 % Direct
Deposit Type

  • Vein / narrow vein

Summary:

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. The project consists of 2,100 hectares of concessions in an area with significant geological potential.

Mining Methods

  • Truck & Shovel / Loader

Summary:

The Alpamarca mine is at 4,700 meters above sea level in the Santa Barbara de Carhuacayán district, department of Junín, with zinc, silver, lead and copper veintype fields. The deposit is mechanically-operated open pit, using a selective mining method – with the final stage of its mine life exploited through an underground mine.

Processing Technologies

  • Flotation

Summary:

At the plant, which uses the traditional crushing-milling-flotation tandem.

Recoveries & Grades:

CommodityParameter2017201620152014
Zinc Head Grade, % 1.41.21.31.3
Lead Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Head Grade, oz/t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Combined production numbers are reported under Alpamarca Operation

Operational Metrics:

Metrics2017201620152014
Ore tonnes mined  ......  Subscription required910 kt713 kt443 kt
Waste tonnes  ......  Subscription required7,600 kt7,600 kt
Stripping / waste ratio  ......  Subscription required7.8 10.6
Tonnes processed  ......  Subscription required910 kt735 kt
Subscription required - Subscription is required.

Reserves at December 31, 2017:

CategoryOreTypeTonnage CommodityGrade
Proven & Probable In-Situ (OP) 188 kt Zinc 1.39 %
Proven & Probable In-Situ (OP) 188 kt Lead 1.02 %
Proven & Probable In-Situ (OP) 188 kt Silver 1.91 oz/t
Proven & Probable In-Situ (OP) 188 kt Copper 0.05 %
Measured & Indicated In-Situ (OP) 1,890 kt Zinc 0.89 %
Measured & Indicated In-Situ (UG) 6,074 kt Zinc 4.42 %
Measured & Indicated In-Situ (OP) 1,890 kt Lead 0.65 %
Measured & Indicated In-Situ (UG) 6,074 kt Lead 2.12 %
Measured & Indicated In-Situ (OP) 1,890 kt Silver 1.72 oz/t
Measured & Indicated In-Situ (UG) 6,074 kt Silver 1.37 oz/t
Measured & Indicated In-Situ (OP) 6,074 kt Copper 0.05 %
Measured & Indicated In-Situ (UG) 6,074 kt Copper 0.08 %
Inferred In-Situ (OP) 677 kt Zinc 0.89 %
Inferred In-Situ (UG) 6,343 kt Zinc 2.76 %
Inferred In-Situ (OP) 677 kt Lead 0.67 %
Inferred In-Situ (UG) 6,343 kt Lead 1.71 %
Inferred In-Situ (OP) 6,343 kt Silver 1.82 oz/t
Inferred In-Situ (UG) 6,343 kt Silver 0.7 oz/t
Inferred In-Situ (OP) 677 kt Copper 0.06 %
Inferred In-Situ (UG) 6,343 kt Copper 0.05 %

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 7, 2018
....................... Subscription required ....................... Subscription required Subscription required Nov 7, 2018
Subscription required - 'Supplier or 'Investor' subscription is required.

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2017
................................... Subscription required 2017
................................... Subscription required 2016
................................... Subscription required 2015
................................... Subscription required 2015
Annual Report 2013
Subscription required - Subscription is required.

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