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United States
Mission Mine

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 Location:
22 km S from Tucson, Arizona, United States

  Address:
4201 West Pima Mine Road
Sahuarita
Arizona, United States
85629
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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
Production Start...
Mine Life22 years (as of Jan 1, 2016)
The Mission Complex, an open-pit mine composed of the Mission, Eisenhower, Pima, Mineral Hill and South San Xavier properties and the nearby North San Xavier mine.


Owners

Source: p. 54,10
CompanyInterestOwnership
Grupo Mexico S.A. de C.V. 100 % Indirect
The Mining Division of Grupo Mexico, S.A. de C.V. (GMéxico) is controlled by Americas Mining Corporation (AMC) which operates the United States subsidiary - Asarco LLC (Asarco).

Asarco LLC includes the Mission, Ray and Silver Bell Arizona mines.

Contractors

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Deposit Type

  • Porphyry
  • Skarn


Summary:

The Mission deposit is a porphyry copper skarn deposit located southwest of the city of Tucson in Pima County, Arizona. A series of Paleozoic sedimentary rocks.

Mineralization is a skarn-related copper porphyry deposit with seams and disseminations of copper carbonates and sulfides with minor zinc, lead and molybdenum minerals in a pyrometasomatic deposit in altered, complexly folded, and faulted Paleozoic limestone and Triassic sedimentary and volcanic formations intruded by Laramide and Tertiary intrusives. There is a thin secondary enrichment zone. The host rock unit is the Scherrer Formation.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Mission Complex, an open-pit mine composed of the Mission, Eisenhower, Pima, Mineral Hill and South San Xavier properties and the nearby North San Xavier mine.

The Mission Complex currently consists of an open pit copper and molybdenum mine that involves drilling, blasting, loading, and haulage activities to both waste rock dumps and crushers. The waste rock is not processed further.

The current pit, 2.5 miles long by 1.5 mile wide and 1,200 feet deep, is situated on 20,000 acres. Benches are 40 feet high.


Crushing and Grinding
Source: Subscription required


Processing

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Summary:

- subscription is required.


Production:

CommodityProductUnits202120202019201820172016
Copper Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required446268
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required179204271
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required  ......  Subscription required42,736 kt54,445 kt52,292 kt47,640 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required15,099 kt16,902 kt17,385 kt18,003 kt
Tonnes milled  ......  Subscription required  ......  Subscription required15,099 kt16,902 kt17,385 kt18,003 kt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required1.83 2.22 2.01 1.65
Daily mining rate  ......  Subscription required  ......  Subscription required144,000 t144,000 t144,000 t144,000 t
Daily milling capacity  ......  Subscription required  ......  Subscription required46.3 kt46.3 kt53.3 kt54.4 kt
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Reserves at December 31, 2021:
Cut-off grade 0.190% Cu

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 209,487 kt Copper 0.389 % 815 kt



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015
Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Annual Information Form 2018
Annual Information Form 2017
Annual Information Form 2016
Annual Report 2016
Annual Information Form 2015
Annual Report 2015
Fact Sheet 2015
Annual Information Form 2014
Annual Report 2014
Fact Sheet 2014
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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