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United States
Cripple Creek & Victor Mine

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 Location:
35 km SW from Colorado Springs, Colorado, United States

  Address:
CO-67
Victor
Colorado, United States
80860
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation
  • Heap leach
  • Concentrate leach
  • Carbon in pulp (CIP)
  • Carbon adsorption-desorption-recovery (ADR)
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)
Mine Life2026


Owners

Source: p. 1
CompanyInterestOwnership
Newmont Corp. 100 % Indirect

Deposit Type

  • Epithermal
  • Vein / narrow vein


Summary:

Cripple Creek & Victor is an epithermal alkalic deposit.

The Cripple Creek and Victor Gold Mine lies within an alkaline diatreme, or a volcanic pipe formed by an a gas explosion, that measures approximately 18 square kilometers, or 7 square miles (Thompson et al., 1985, Kelly et al., 1998, and Leichliter and Larson, 2011). The basement units are granodiorite, gneisss, monzonite, and granite. Inside the diatreme, there are many different lithologies: breccia, phonolites (porphyritic and aphanitic), phonotephrite, tephriphonolite, syenite, and lamprophyres (Thompson, 1992, Jensen, 2003, Jensen and Barton, 2007, and Leichliter and Larson, 2011). The main rock type in the diatreme is the breccia, which is composed of pieces of both the basement and intrusive rocks.

The upper portion of the ore body is oxidized (jarosite, goethite, hematite, limonite, and other iron and manganese oxides) (Leichliter and Larson, 2011). As mining progresses downward, the ore body becomes less oxidized and more sulfidic. Pyrite is the most common sulfide, but molybdenite, chalcopyrite, chalcocite, sphalerite, and galena are present (Leichliter and Larson, 2011).

The gold mineralization occurs in every rock type and is mostly controlled by structure. It can occur as native gold, electrum, gold tellurides, gold-silver tellurides, and with sulfides (Leichliter and Larson, 2011). Silver is also present, but to a lesser degree than gold. There are also many different types of tellurides in the district, beside the gold and silver (Leichliter and Larson, 2011).

The gold mineralization is related to potassic alteration (potassic feldspar (adularia), pyrite (sulfide) and quartz). There are minor amounts of argillic alteration (sericite, illite, kaolinite, smectite, and montmorillonite). Gold is mainly located in the veins (1- 10 cm wide) or in the potassic alteration halo of those veins. The veins usually contain quartz, sulfides, and/or tellurides and fluorite. When altered, these veins contain gold, oxides, and clay. The small, fine-grained gold is widespread with the sulfides (Leichliter and Larson, 2011).


Mining Methods

  • Truck & Shovel / Loader


Summary:

Cripple Creek &Victor (“CC&V”) is an open pit operation. CC&V’s available mining fleet consists of two shovels and twenty-two 240-ton haul trucks.


Crushing and Grinding


Processing

  • Flotation
  • Heap leach
  • Concentrate leach
  • Carbon in pulp (CIP)
  • Carbon adsorption-desorption-recovery (ADR)
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)

Source: Subscription required

Summary:

CC&V is an epithermal alkalic deposit with heap leaching and milling processing facilities located on site. Heap leaching is used to recover lower-grade ore, while the mill is used to recover higher-grade ore.

The ore is blasted by explosives, carried either to the waste pile or to the crusher. The crusher is a gyratory crusher (primary) with a secondary crusher that takes the crushed ore (~ 0.75 inch) to be covered with lime. After it is coated with lime, it then is placed on the Valley Leach Facility (VLF). Pregnant solution from the Valley Leach Facility (“VLF”) reports to an Adsorption, Desorption and Recovery (“ADR”) Plant for recovery of gold. Gold is removed from solution by adsorption onto activated carbon, then stripped from the activated carbon to create a concentrated gold solution (desorption), and recovered in an electrowinning circuit, located within the refinery.

Recoveries & Grades:

CommodityParameter2015201420132012
Gold Head Grade, g/t 0.350.320.340.4

Production:

CommodityUnits201920182017201620152014
Gold koz  ......  Subscription required  ......  Subscription required451396198211
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2018201720142013
Tonnes milled  ......  Subscription required  ......  Subscription required
Tonnes processed  ......  Subscription required  ......  Subscription required19.3 Mt20.8 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Total 94,100 kt Gold 0.52 g/t 1,570 koz
Probable Total 56,000 kt Gold 0.69 g/t 1,230 koz
Proven & Probable Total 150,100 kt Gold 0.58 g/t 2,800 koz
Measured Total 67,100 kt Gold 0.5 g/t 1,080 koz
Indicated Total 43,600 kt Gold 0.44 g/t 620 koz
Measured & Indicated Total 110,700 kt Gold 0.48 g/t 1,700 koz
Inferred Total 16,800 kt Gold 0.39 g/t 210 koz

Commodity Production Costs:

CommodityUnits2019201820172016201520142013
Total cash costs Gold USD 829 / oz 732 / oz
Total cash costs (sold) Gold USD  ......  Subscription required†  ......  Subscription required† 624 / oz† 553 / oz† 532 / oz†
All-in sustaining costs (sold) Gold USD 1,147 / oz 927 / oz
All-in sustaining costs (sold) Gold USD  ......  Subscription required†  ......  Subscription required† 729 / oz† 621 / oz† 683 / oz†
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units2019201820172016201520142013
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 66   169   157  
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 23  
Subscription required - Subscription is required


Heavy Mobile Equipment:
HME TypeModelQuantityRef. Date
Dozer (crawler) ....................... Subscription required 4 Sep 18, 2016
Dozer (rubber tire) ....................... Subscription required 4 Sep 18, 2016
Drill ....................... Subscription required 5 Sep 18, 2016
Loader ....................... Subscription required 1 Sep 18, 2016
Shovel ....................... Subscription required 2 Dec 31, 2018
Truck (haul) ....................... Subscription required 22 Dec 31, 2018
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 17, 2020
....................... Subscription required ....................... Subscription required Subscription required Sep 17, 2020
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015
Subscription required 2014
Subscription required 2013
Subscription required 2012

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
................................... Subscription required 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Corporate Presentation 2016
Press Release 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Annual Report 2015
Financial Review 2015
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Aerial view:

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