Monticello Mine

Past Producer in Hinsdale county in Colorado, United States with commodities Copper, Gold
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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10014745
MRDS ID D011657
Record type Site
Current site name Monticello Mine
Related records 10142181

Geographic coordinates

Geographic coordinates: -107.49924, 37.94529 (WGS84)
Elevation 3341
Relative position 11.5 MILES S 60 W FROM LAKE CITY

Site location context

Political divisions (FIPS codes)

Hinsdale(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Redcloud Peak(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Hinsdale

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 043N 006W 35 NW Colorado

Comments on the location information

  • WOOLSEY (1907 GIVES LOCATION AS MOUTH OF CLEVELAND GULCH ADJACENT TO WHITECROSS. ELEV AND LAT-LONG GIVEN ARE FOR SHAFT ON HILLSIDE 0.17 MILE NNW OF WHITECROSS, AS PLOTTED BY KRASOWSKI (1976) (UNSURVEYED SECTION). ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Copper Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granite Of Cataract Canyon;Mafic Dikes
    Rock description Granite Of Cataract Canyon;Mafic Dikes
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -107.49924, 37.94529

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, San Juan Depression
Type of structure Local
Structure description San Juan-Uncompahgre Calderas, Lake City Caldera, Silverton Caldera, Eureka Graben

Ore body information

  • Thickness 0.46M

Controls for ore emplacement

  • Ne-Trending Fault Cutting Granite In Eureka Graben

Economic information about the deposit and operations

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

Mining district

District name Park (Whitecross, Burrows Park, Adams) District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • WOOLSEY (1907) DESCRIBES WORKINGS AS 50-FT-DEEP SHAFT WITH SHORT SW DRIFT FROM BOTTOM; TUNNEL OF UNKNOWN EXTENT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit KRASOWSKI'S MAP SHOWS VEIN TO LIE IN FAULT CUTTING PRECAMBRIAN GRANITE AND TRENDING GENERALLY N 35 TO 45 E, LYING SUBPARALLEL TO AND SE OF FAULTS ON WHICH CLEVELAND MINE DEVELOPED. WOOLSEY NOTED THAT GRANITE WAS HEAVILY PYRITIZED NEAR THE THREE OR MORE QUARTZ VEINS AGGREGATING 1.5 FT IN WIDTH. ORE REPORTEDLY WAS CHALCOPYRITE AND PYRITE MIXED WITH QUARTZ AND CALCITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1984 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

External references

Authoritative Colorado resources

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