Mill Gulch Mine

Past Producer in Park 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10087862
MRDS ID D010342
Record type Site
Current site name Mill Gulch Mine

Geographic coordinates

Geographic coordinates: -105.56308, 38.70722 (WGS84)
Elevation 2682
Relative position 1.4 MILES S 35 W OF GUFFEY

Site location context

Political divisions (FIPS codes)

Park(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Thirtyone Mile Mountain(quadrangle 1:24,000 scale)

Pikes Peak(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)

Geographic areas

Country State County
United States Colorado Park

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 015S 073W 33 E2 OF NW Colorado

Comments on the location information

  • AT HEAD OF MILL GULCH ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Silver Ore
Actinolite Gangue
Anthophyllite Gangue
Chlorite Gangue
Clinozoisite Gangue
Epidote Gangue
Garnet Gangue
Magnetite Gangue
Quartz Gangue
Sphene Gangue

Analytical data

Result SHIPPED ORE REPORTEDLY CONTAINED 3-50 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Boulder Creek Granite, Quartz Monzonite;Rhyolitic And Andesitic Tuff And Tuff Breccia
    Rock description Boulder Creek Granite, Quartz Monzonite;Rhyolitic And Andesitic Tuff And Tuff Breccia
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Biotite Gneiss, Migmatitic Gneiss
    Rock description Biotite Gneiss, Migmatitic Gneiss

Nearby scientific data

(1) -105.56308, 38.70722

Economic information

Geologic structures

Type of structure Regional
Structure description Thirtyone Mile Mountain Volcanic Center, Thirtynine Mile Volcanic Field, Front Range
Type of structure Local
Structure description Currant Creek Fault And Related Nw-Trending Faults

Ore body information

  • General form LENSOID, TABULAR, POD-LIKE

Controls for ore emplacement

  • Wall Rock And Fault/Fracture Control; Fault Intersections

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Guffey District

Land status

Ownership category Private

Comments on the workings information

  • INACCESSIBLE SHAFT

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Collins, Donna B. 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.