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Chile
Cerro Colorado Mine (Pampa Norte Operation)

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 Location:
90 km E from Iquique, Chile

  Address:
San Martin 255, piso 4, oficina 46 Edificio Empresarial
Iquique
Chile
1100548
Phone  ...  Subscription required
Fax565-741-7553
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
Mining Method
  • Truck & Shovel / Loader
Processing
  • Heap leach
  • Solvent Extraction & Electrowinning
Mine Life2023
Latest NewsBHP to sell Cerro Colorado mine to EMR for up to $US320m     June 20, 2018


Owners

 
CompanyInterestOwnershipInvestor's Info
BHP Group Ltd. 100 % Indirect
Compania Minera Cerro Colorado Ltd. 100 % Direct

Deposit Type

  • Porphyry


Summary:

The Cerro Colorado porphyry copper deposit is the northernmost currently active copper mine in Chile. It belongs to one of the Paleocene to early Eocene porphyry copper deposits that are distributed along the western slope of the main Andean Cordillera in Northern Chile.

The geological evolution of Cerro Colorado area can be generalized as follows. The Cretaceous Cerro Empexa Formation, consisting of a sequence of volcanic rocks, mainly andesitic lava and breccia, lahars, some ignimbrite intercalations and dacitic tuff, was intruded by tonalitic to dioritic magma in Middle-Eocene. Magmatic activities generated brecciated rocks accompanying with different alteration zones radiate outward from the intrusion. The mineralized hypogene protore later interacted with ground water, creating the supergene blanket, which is now the principal mining target of Cerro Colorado.

The current study focuses on the vein samples obtained from on-site drill cores that penetrated the hypogene zone. The principle aim is to determine the forming conditions of ore mineralization by using fluid inclusions trapped in associated vein minerals, in majority, quartz.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Spence and Cerro Colorado are comprised of open pit mines. At these mines, overburden is removed after blasting, using a truck and shovel. Ore is then extracted and further processed into high- quality copper concentrate or cathode.

Open-cut Enriched and oxidised porphyry copper deposit containing in situ copper oxide mineralisation that overlies a near-horizontal sequence of supergene sulphides, transitional sulphides, and finally primary.


Crushing and Grinding


Processing

  • Heap leach
  • Solvent Extraction & Electrowinning

Source: Subscription required

Summary:

Facilities, use & condition:
2 primary, secondary and tertiary crushers, leaching pads, solvent extraction plant, electrowinning plant.

Recoveries & Grades:

CommodityParameter202020192018201720162015
Copper Head Grade, % 0.560.60.590.60.770.71

Production:

CommodityUnits202020192018201720162015
Copper kt  ......  Subscription required  ......  Subscription required  ......  Subscription required657778
All production numbers are expressed as cathode.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018201720162015
Total tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required53,668 kt60,882 kt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required17,946 kt of ore17,934 kt of ore
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required102 kt of copper cathode80 kt of copper cathode
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryOreTypeTonnage CommodityGrade
Proven Oxide 29 Mt Copper 0.58 %
Proven Supergene sulphide 14 Mt Copper 0.57 %
Proven Transitional sulphide 12 Mt Copper 0.51 %
Probable Oxide 6 Mt Copper 0.58 %
Probable Supergene sulphide 4 Mt Copper 0.63 %
Probable Transitional sulphide 1.6 Mt Copper 0.51 %
Measured Oxide 73 Mt Copper 0.61 %
Measured Supergene sulphide 44 Mt Copper 0.6 %
Measured Transitional sulphide 78 Mt Copper 0.45 %
Indicated Oxide 116 Mt Copper 0.64 %
Indicated Supergene sulphide 92 Mt Copper 0.61 %
Indicated Transitional sulphide 110 Mt Copper 0.42 %


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 29, 2021
....................... Subscription required ....................... Subscription required Subscription required Jan 29, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
Annual Report 2017
Press Release 2017
Annual Report 2016
Press Release 2016
Corporate Presentation 2015
Other 2014
Subscription required - Subscription is required.

News:

NewsDate
BHP to sell Cerro Colorado mine to EMR for up to $US320m June 20, 2018

Aerial view:

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