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Mexico
Alamo Dorado Mine

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 Location:
66 NE from Camahuiroa, Sonora, Mexico

  Regional Office:
Ave. Ferrocarril No. 99 Piso 1, Local 1 Col. Bellavista
Durango
Durango, Mexico
34047
Phone  ...  Subscription required
Fax+52 618-128-0692
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Filings & News

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Overview

StatusClosing / Closed
Mine TypeOpen Pit
Commodities
  • Silver
  • Gold
  • Copper
Mining Method
  • Truck & Shovel / Loader
Between 2017 and 2019, was completed the active closure and reclamation of the Alamo Dorado mine.


Owners

Source: p. 64
CompanyInterestOwnership
Pan American Silver Corp. 100 % Indirect

Contractors

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Deposit Type

  • Epithermal
  • Vein / narrow vein
  • Breccia pipe / Stockwork


Summary:

The silver-gold mineralization at Alamo Dorado is predominantly fracture-controlled and associated with moderate to intense pervasive silification. About 50 percent of the silver mineralization is related to strongly fractured rhyodacites and about 30 and 10 percent in the rhyolites and dacites, respectively. The main silver mineral at Alamo Dorado appears to be chlorargyrite which is a silver mineral derived from a silver chloride complex occurring along with the quartzpyrite minerals filling the fractures. The gold mineralization occurs as free, micron-size particles and/or in the crystal lattices of micro-crystalline pyrite.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Alamo Dorado is a conventional surface mine that utilizes hydraulic shovels, front end loaders, and mechanical trucks on 5 metre high benches. Ore control is carried out by sampling blast holes to provide closer spaced sample data for marking the ore and waste boundaries during mining.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityProductUnits20172016201520142013
Silver Metal in conc./ doré koz 6411,8642,9703,4735,079
Gold Metal in conc./ dorĂ© oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Metal in concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics20172016201520142013
Tonnes milled 451.8 kt1,833 kt1,799 kt1,763 kt1,790 kt
Daily milling capacity 4,000 t4,000 t

Reserves at December 31, 2015:

CategoryTonnage CommodityGradeContained Metal
Proven 1.6 Mt Silver 55 g/t 2.9 M oz
Proven 1.6 Mt Gold 0.23 g/t 12.2 koz
Measured 1.2 Mt Silver 50 g/t 1.8 M oz
Measured 1.2 Mt Gold 0.23 g/t 8.5 koz
Indicated 0.9 Mt Silver 78 g/t 2.1 M oz
Indicated 0.9 Mt Gold 0.4 g/t 10.9 koz

Commodity Production Costs:

CommodityUnits201720162015
Cash costs Silver USD 16.5 / oz†   16 / oz†   11.4 / oz†  
Total cash costs Silver USD
All-in sustaining costs (sold) Silver USD 17.7 / oz†   14.9 / oz†   12.7 / oz†  
† Net of By-Product.

Financials:

Units20172016
Capital expenditures M USD
Revenue M USD 18   45.8  
After-tax Income M USD -7.4   -0.2  
EBIT M USD -8.5   3.3  



Heavy Mobile Equipment:

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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
Annual Information Form 2018
Press Release 2018
Annual Information Form 2017
Annual Report 2017
Financial Review 2016
Management Discussion & Analysis 2016
Annual Information Form 2015
Management Discussion & Analysis 2015
Form 40-F 2014
Feasibility Study Report 2005
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