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Peru
Islay Mine (Chungar Mining Unit Operation)

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 Location:
125 km E from Huacho, Peru

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

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Copper
  • Silver
Mining Method
  • Sub-level stoping
  • Room-and-pillar
Processing
  • Flotation
Mine Life4 years (as of Jan 1, 2020)


Owners

Source: p. 23
CompanyInterestOwnership
Glencore plc. 23.3 % Indirect
Volcan Compania Minera S.A.A. 76.7 % Indirect
Compañía Minera Chungar S.A.C. (operator) 100 % Direct
Ownership Tree
Glencore has an economic interest in Volcan Compania Minera S.A.A. of 23.3%.

Deposit Type

  • Breccia pipe / Stockwork


Summary:

Located in the Huaron mining district, Chungar encompasses the Islay and Animon mines. The mineralization in Islay comprises a breccia-type fissure fill, mainly with silver mineralization, with subordinated lead and zinc, Animon is a hydrothermal polymetallic deposit consisting of mineralized structures probably related to Miocene aged monzonite dykes principally within, but not confined to the Huaron anticline.

Islay is located 5 km to the West of Animón. It correlates as a western extension of the Animón veins, with the same geologic characteristics. The average width of the Islay vein is around 4.00 metres, it outcrops at surface and was exploited in small open pits. At the moment, it is being prepared for its next stage as an underground operation. Diamond-drilling has determined an average resource grade of 0.1%Cu, 1.0%Pb, 1.4%Zn and 8.7oz Ag/mt.


Mining Methods

  • Sub-level stoping
  • Room-and-pillar


Summary:

Islay is a part of Chungar mining unit that is located at 4,600 m.a.s.l. in the region of Pasco, 219 km east of Lima and comprises of two underground mines: Animón and Islay; and a concentration plant named Animón.

Islay uses the mining methods of Sub-level stoping for the veins and room and pillars for the bodies.


Crushing and Grinding


Processing

  • Flotation

Source: Subscription required

Summary:

Animón Plant
The concentrate plant processed 5,500 tpd of polymetallic ore using selective differential flotation. In 2014, measures taken to increase metallurgical recovery included installation of an automatic lime dosing system, placement of a third flash cell in the lead-silver circuit and modification of the rotation speed in lead and zinc flotation cells. The flotation processes are controlled using real-time information provided by the SCADA analysis system.

Recoveries & Grades:

CommodityParameter2020201920182017201620152014
Zinc Head Grade, %  ......  Subscription required  ......  Subscription required1.21.21.21.31.8
Lead Head Grade, %  ......  Subscription required  ......  Subscription required0.70.70.70.70.9
Copper Head Grade, %  ......  Subscription required  ......  Subscription required0.10.1000.1
Silver Head Grade, oz/t  ......  Subscription required  ......  Subscription required5.75.85.85.67.1

Production:

CommodityUnits2020201920182017201620152014
Zinc oz  ......  Subscription required  ......  Subscription required00000
Lead oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in ore.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018201720162015
Ore tonnes mined  ......  Subscription required253 kt
Daily mining capacity  ......  Subscription required813 t of ore1,500 t of ore1,500 t of ore1,500 t of ore1,800 t of ore
Tonnes processed  ......  Subscription required253 kt303 kt321 kt497 kt532 kt
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryTonnage CommodityGrade
Proven & Probable 0.5 Mt Zinc 3.1 %
Proven & Probable 0.5 Mt Lead 1.2 %
Proven & Probable 0.5 Mt Copper 0.1 %
Proven & Probable 0.5 Mt Silver 5.2 oz/t
Measured & Indicated 3.2 Mt Zinc 1.9 %
Measured & Indicated 3.2 Mt Lead 0.8 %
Measured & Indicated 3.2 Mt Copper 0.1 %
Measured & Indicated 3.2 Mt Silver 5.4 oz/t
Inferred 4 Mt Zinc 1.8 %
Inferred 4 Mt Lead 0.8 %
Inferred 4 Mt Copper
Inferred 4 Mt Silver 4.8 oz/t


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 12, 2021
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Annual Report 2015
Annual Report 2014
Other 2008
Other 2007
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Aerial view:

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