1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Alleghany

Past Producer in Dolores county in Colorado, United States with commodities Lead, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10167104
MAS/MILS ID 0080330026
Record type Site
Current site name Alleghany
Alternate or previous names San Juan National Forest

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -108.00645, 37.69861 (WGS84)
Elevation 3036

Site location context

Political divisions (FIPS codes)

Dolores(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rico(quadrangle 1:24,000 scale)

Dove Creek(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Dolores(hydrologic unit)

Upper Colorado-Dolores(hydrologic accounting unit)

Upper Colorado-Dolores(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Dolores

Commodities

Commodity Importance
Lead Tertiary
Silver Primary

Materials information

Materials Type of material
Galena Unknown
Hematite Unknown
Limonite Unknown
Malachite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -108.00645, 37.69861
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 SHEAR ZONE
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Date of Last Modification 911230

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Pioneer/Rico

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Rico Development Corp.
    Interest 100
    Home office Colorado
    Year 1989

Comments on the workings information

  • CAVED ADITS IN 1989, ABOUT 25,850 CUBIC FEET OF DUMP MATERIAL, SAMPLE #401-403.

Reference information

Bibliographic references

  • Deposit

    REF: TWENTY SECOND ANNUAL REPORT U.S.G.S. 1901

  • Deposit

    US BUREAU OF MINES OPEN FILE REPORT MLA 2-92

Reporter information

Type Date Name Affiliation Comment
Reporter 29-MAY-1992 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site

Authoritative Colorado resources

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