Pioneer District-Colorado

Past Producer in Dolores county in Colorado, United States with commodities Silver, Zinc, Lead, Copper, Gold, Manganese
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Nearby scientific data
  8. Geologic structures
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Bibliographic references

Geologic information

Identification information

Deposit ID 60000377
MRDS ID D010781
Record type District
Current site name Pioneer District-Colorado
Alternate or previous names Rico District
Related records 10142422

Geographic coordinates

Geographic coordinates: -108.01875, 37.69251 (WGS84)
Relative position (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON NW SLOPE OF NEWMAN HILL ABOVE SILVER CREEK (UNSURVEYED SECTIONS). ELEV AND LAT-LONG GIVEN ARE FROM MCKNIGHT, 1974, PL. 1 (1930 BASE) AND ARE FOR PRO PATRIA PORTAL (MOST LIKELY ON REVENUE CLAIM) IN E2 NE SEC. 36. ; INFO FROM LAND.ST : 1975

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
Silver Primary
Zinc Critical Primary
Lead Primary
Copper Secondary
Gold Secondary
Manganese Critical Tertiary

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Nearby scientific data

(1) -108.01875, 37.69251

Economic information

Geologic structures

Type of structure Local
Structure description RICO DOME
Type of structure Regional
Structure description SAN JUAN UPLIFT, PARADOX BASIN

Controls for ore emplacement

  • Fault/fracture

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Year of last production 1949

Mining district

District name PIONEER DISTRICT
District name RICO DISTRICT

Ownership information

  • Type Operator
    Owner RICO-ARGENTINE MINING CO.
    Home office SALT LAKE CITY, UT
    Year 1949

Reference information

Bibliographic references

  • Deposit

    MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 73-75, 92-93.

  • Deposit

    PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.

  • Deposit

    RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN, REPT., PT. 2, P. 350.

  • Deposit

    CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.

  • Deposit

    COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.

  • Deposit

    BLM MINERAL SURVEYS MS 1441, 5909, 5910, 5911, 5913, 5916, 5917, 5923, 6282, 6796, 6960, 11814, 12302, 12302, 12304

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.