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  3. Mineral Resource Data System (MRDS)

Iron Dollar Gulch Deposit

Occurrence in Fremont county in Colorado, United States with commodity Iron
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10087804
MRDS ID D009896
Record type Site
Current site name Iron Dollar Gulch Deposit

Geographic coordinates

Geographic coordinates: -105.68391, 38.33334 (WGS84)
Elevation 2195
Location accuracy 1000(meters)
Relative position 2.8 MILE S 12 E OF COTOPAXI, Within About 0.5 Mile Of Section Boundaries

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cotopaxi(quadrangle 1:24,000 scale)

Canon City(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 Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047N 012E 07,18 SE (07); NE (18) Colorado

Comments on the location information

  • IN UPPER REACHES OF BEAVER CREEK 2.1 MILES SW OF COAL CREEK STORE. ELEV AND LAT-LONG GIVEN ARE FOR APPROX CENTER NW SW SEC. 17. ; INFO FROM LAND.ST :(1975)
  • Located in approximate secs. 7-18, T. 47 N., R. 12 E.

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • Hematite ore.

Materials information

Materials Type of material
Hematite Ore

Alteration

  • (Local) Hematite

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Migmatitic Gneiss
    Rock description Migmatitic Gneiss

Nearby scientific data

(1) -105.68391, 38.33334
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Nnw-Trending Faults, Nne-Trending Faults
Type of structure Regional
Structure description Northern Wet Mountains

Controls for ore emplacement

  • Faults, Fractures

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category BLM Administrative Area

Comments on the reserve resource information

  • Too small to be commercial; poorly exposed (Harper and Tesch, 1959).

Reference information

Bibliographic references

  • Deposit

    HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, P. 31

  • Deposit

    TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A. AND EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-83 Collins, Donna B. Colorado Geological Survey
Updater 02-JUN-04 Keller, John W. Colorado Geological Survey

Beyond USGS

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

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.