Rush Basin Bog Limonite Deposit

Occurrence in Montezuma county in Colorado, United States with commodities Iron, 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10014186
MRDS ID D010851
Record type Site
Current site name Rush Basin Bog Limonite Deposit
Related records 10239112

Geographic coordinates

Geographic coordinates: -108.09509, 37.42584 (WGS84)
Elevation 3609
Location accuracy 500(meters)
Relative position 15.5 MILES N 51 W FROM DURANGO

Site location context

Political divisions (FIPS codes)

Montezuma(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

La Plata(quadrangle 1:24,000 scale)

Cortez(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle San Juan(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(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 Montezuma

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 037N 011W 32 Colorado

Comments on the location information

  • (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). IN RUSH BASIN AT HEAD OF EAST MANCOS RIVER WEST OF SPILLER AND BURWELL PEAKS. ELEV AND LAT-LONG GIVEN ARE FOR APPROX CENTER OF RUSH BASIN, 2.5 MILES NW OF LA PLATA TOWNSITE (UNSURVEYED SECTION). ; INFO FROM LAND.ST :1974

Commodities

Commodity Importance
Iron Primary
Gold Secondary

Materials information

Materials Type of material
Pyrite Gangue

Alteration

  • (Local) Fe Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Alluvium
    Rock unit name Alluvium And Bog Material
    Rock description Alluvium And Bog Material
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -108.09509, 37.42584

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Uplift, Four Corners Platform
Type of structure Local
Structure description La Plata Dome

Ore body information

  • Thickness 3.05M

Controls for ore emplacement

  • Porous, Unconsolidated, Saturated Alluvium And Bog Material

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name California (La Plata) District

Land status

Ownership category National Forest
Area name San Juan N. F.

Comments on the workings information

  • INACCESSIBLE SHAFT OF UNKNOWN DEPTH

Reference information

Bibliographic references

  • Deposit

    HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM IC-7918, P. 51-52.

  • Deposit

    ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219.

General comments

Subject category Comment text
Deposit LIMONITE CURRENTLY BEING FORMED IN BOG DEPOSIT FROM ALTERATION OF AURIFEROUS PYRITE IN VEINS; OCCURS AS COATINGS AND CEMENT AND AS PURE LIMONITE TO IMPURE, LOOSE, UNCONSOLIDATED MIXTURES OF LIMONITE, BOG MATERIAL, SAND AND GRAVEL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1983 Schwochow, Stephen D. 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.