Dirty Gulch Mine

Past Producer in Fremont county in Colorado, United States with commodities Copper, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10013367
MRDS ID D009621
Record type Site
Current site name Dirty Gulch Mine
Alternate or previous names Copper Prince Mine?

Geographic coordinates

Geographic coordinates: -105.70336, 38.46168 (WGS84)
Elevation 2405
Relative position 6.2 MILES N10W OF COTOPAXI

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Arkansas Mountain(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Colorado Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 049N 011E 36 NE Colorado

Comments on the location information

  • NORTH FROM COTOPAXI 6 MILES ON BERNARD CREEK ROAD TO MINE ACCESS ROAD ON WEST SIDE OF RED GULCH ; INFO FROM LAND.ST :(1976)
  • This mine defines the far south end of the Red Gulch district. Not described by Lindgren (1908) in his description of the other mines further north in the district.

Commodities

Commodity Importance
Copper Primary
Silver Primary

Comments on the commodity information

  • SELECT GRAB SAMPLE FROM DUMP

Materials information

Materials Type of material
Malachite Ore

Alteration

  • (Local) Altered Biotite Gneiss; Kaolinization

Analytical data

Result 8.1% CU, 2.6 OZ/TON AG

Mineral occurrence model information

Model code 197
USGS model code 30b
Deposit model name Sediment-hosted Cu
Mark3 model number 63

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Belden Fm
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -105.70336, 38.46168

Economic information

Geologic structures

Type of structure Regional
Structure description Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Type of structure Local
Structure description Cotopaxi Fault

Controls for ore emplacement

  • Faults, Fault Intersections; Shear Zones

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925
Year of first production 1907

Mining district

District name Red Gulch District

Land status

Ownership category Private

Production statistics

  • Year 1970
    Period 1907
    Material ore
    Ore mined 67mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 1460g
    Major Copper Copper 7.7mt

Comments on the production information

  • unknown production

Comments on the workings information

  • ONE SHAFT, COMPLETELY FLOODED

Reference information

Bibliographic references

  • Deposit

    COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 122-123.

  • Deposit

    TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A. AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1: 62,500.

General comments

Subject category Comment text
Deposit Discovery Year: EARLY 1900'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1982 Collins, Donna B. Colorado Geological Survey
Updater 26-MAY-2004 Keller, John W. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.