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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
Phone  ...  Subscription required
Fax520-625-0802
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
  • Molybdenum
  • Silver
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation
Mine Life2033
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 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.

Owners

Source: p. 160, 38
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.
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.

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.

Crushing and Grinding

Processing

  • Flotation

Source: Subscription required

Summary:

The treated ore is first crushed with a primary crusher to less than 20 centimeters and then crushed by a fine crushing plant to less than 16 millimeters using seven large vibrating screens and five crushers. To extract the ore from the tepetate, a combination of six circuits is used. The ground ore is pumped into one of the six flotation sections, where chalcopyrite and bomite are separated from the tepetate using the sulfide flotation process.

Recoveries & Grades:

CommodityParameter20192018201720162015201420132012
Copper Head Grade, % 0.440.320.420.440.460.410.510.51
Copper Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Production:

CommodityProductUnits201920182017201620152014
Copper Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required0150151134
Copper Concentrate kt  ......  Subscription required  ......  Subscription required204271283262
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Total tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required47,640 kt48,194 kt59,851 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required18,003 kt17,742 kt17,450 kt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required18,003 kt17,742 kt17,450 kt
Daily milling rate  ......  Subscription required  ......  Subscription required  ......  Subscription required54.4 kt52.6 kt49 kt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required1.65
Daily mining rate  ......  Subscription required  ......  Subscription required  ......  Subscription required144,000 t144,000 t141,000 t
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 239,989 kt Copper 0.394 % 946 kt

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 11, 2020
....................... Subscription required ....................... Subscription required Subscription required Sep 11, 2020
....................... Subscription required ....................... Subscription required Subscription required Sep 11, 2020
....................... Subscription required ....................... Subscription required Subscription required Sep 11, 2020
Subscription required - Subscription is required.

Staff:

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

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 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.

Aerial view:

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