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Chile
MVC Mine

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 Location:
8,74 km SE from Rancagua, Chile

  Address:
Colihues Km.13, Requínoa – Casilla 637
Rancagua
Chile
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeTailings
Commodities
  • Copper
  • Molybdenum
Mining Method
  • Hydraulic mining
Production Start...
Mine Life2037


Owners

Source: p. 3
CompanyInterestOwnership
Amerigo Resources Ltd. 100 % Indirect
Amerigo Resources Ltd. (“Amerigo”) owns a 100% interest in Minera Valle Central S.A. ("MVC"), a producer of copper and molybdenum concentrates.

Contractors

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Deposit Type

  • Tailings


Summary:

The historic Cauquenes and Colihues tailings impoundments are man-made deposits that were generated as sites for the containment of tailings produced during the processing of copper-molybdenum ore at the El Teniente mine. Currently, feed to the plant is derived from two sources: fresh rougher tailings from the Codelco’s El Teniente concentrator and hydraulically recovered tails from the Cauquenes tailings impoundment. The mineralogy of the feeds varies, and the most recent mineralogy indicates that the main copper and molybdenum-bearing minerals are sulfide in nature. In the fresh tailings the majority of the copper (47%) occurs as chalcopyrite, with significant secondary copper sulfide forms: chalcocite, bornite, and covellite (40%). In the historic tailings, approximately 75% of the copper occurs as secondary copper minerals and about 17% of the copper occurs in the form of chalcopyrite. The portion of poor floating copper minerals (copper in iron oxides and sulfates) ranged from 7 to 13% for the historic and fresh tailings, respectively. In both tailings streams, the molybdenum occurs as molybdenite.


Mining Methods

  • Hydraulic mining


Summary:

MVC has been in operation since 1992 and produces copper (Cu) and molybdenum (Mo) concentrates by reprocessing tailings produced by the El Teniente mine. Sources of mill feed include the fresh tailings from El Teniente and the tailings from the Cauquenes historic tailings deposit and Colihues historic tailings deposit.

MVC has valid contracts with Codelco’s El Teniente Division (DET) to process Fresh Tailings, the Colihues deposit and the Cauquenes deposit. MVC has the right to process tailings up to 2037.

Currently, feed to the plant is derived from two sources: fresh rougher tailings from the Codelco’s El Teniente concentrator and hydraulically recovered tails from the Cauquenes tailings impoundment.

El Teniente Tailings
The Fresh Tailings are transported via gravity to MVC via a 36 km long concrete open channel launder. The target fresh tailings concentrator throughput is 140,000 tpd. The term of the Fresh Tailings Agreement was extended from December 31, 2021 to December 31, 2037.

Colihues Tailings
In 2003, MVC commenced production from the Colihues deposit, and, in 2015, suspended operations from Colihues. The total tonnage of material extracted from the Colihues deposit, up to the end of December 2016 was 72,742,245 tonnes. The total quantity of copper produced from Colihues, up to the end of December 2016 was approximately 55,975 tonnes. Extraction of material from the Colihues deposit is planned to recommence in ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Copper M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required656357
Molybdenum M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in concentrate. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Daily ore mining rate  ......  Subscription required  ......  Subscription required
Tonnes processed  ......  Subscription required  ......  Subscription required62,994,127 t65,682,995 t66,376,937 t62,671,102 t
Daily processing capacity  ......  Subscription required  ......  Subscription required
Daily processing rate  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at February 1, 2022:

CategoryOreTypeTonnage CommodityGradeContained Metal
Total Resource Tailings 364.7 Mt Copper 0.258 % 2,076 M lbs

Commodity Production Costs:

CommodityUnits202220212020201920182017
Credits (by-product) Copper USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -0.28 / lb   -0.24 / lb  
Cash costs Copper USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 1.56 / lb†   1.64 / lb†  
Total cash costs Copper USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 2.47 / lb†   2.5 / lb†  
^ Guidance / Forecast.
† Net of By-Product.
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Financials:

Units2022202120202019201820172016
Capital expenditures (planned) M USD  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 35  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 136.8   134   91.4  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 19.7   18   -3.2  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 25   26   -0.6  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 15.4   12.8   -8.2  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 10.5   8   -7.5  
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 27.8   26.4   9.6  
Subscription required - Subscription is required



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 20, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2018
Press Release 2018
Financial Review 2017
Management Discussion & Analysis 2017
Financial Review 2016
Management Discussion & Analysis 2016
Technical Report 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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