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Unnamed Fe Mine

Past Producer in Jefferson 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10013740
MRDS ID D010200
Record type Site
Current site name Unnamed Fe Mine

Geographic coordinates

Geographic coordinates: -105.17975, 39.64943 (WGS84)
Elevation 1743
Relative position 0.8 MILES S 64 E FROM MORRISON

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morrison(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 005S 070W 01 W2 Colorado

Comments on the location information

  • BETWEEN MORRISON AND SODA LAKES AT EAST BASE OF DAKOTA HOGBACK. LAT-LONG AND ELEV GIVEN ARE APPROX CENTER NW SEC. 01. ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Limonite Ore
Siderite Ore

Analytical data

Result ASSAYED SAMPLE BY USBM CONTAINED 22.9% FE, 26.31% SILICA, 2.31% ALUMINA, 3.22% LIME, 8.19% MAGNESIA

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Colorado Group---Graneros Shale (Benton Shale);Colorado Group---Carlile Shale
    Rock description Colorado Group---Graneros Shale (Benton Shale);Colorado Group---Carlile Shale
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -105.17975, 39.64943
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Denver Basin, Front Range Uplift
Type of structure Local
Structure description Golden Fault

Ore body information

  • General form IRREGULAR, NODULAR

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1885

Mining district

District name Morrison Area

Land status

Ownership category Private

Comments on the workings information

  • OPEN CUTS

Comments on development

  • SMALL PRODUCTION WAS MADE FOR PAINT PIGMENT BUT IS NO LONGER CONSIDERED A COMMERCIAL SOURCE OF FE ORE

Reference information

Bibliographic references

  • Deposit

    HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM IC-7918, P. 45.

  • Deposit

    SCOTT, G.R., 1972, GEOLOGIC MAP OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-790-A

General comments

Subject category Comment text
Deposit SIDERITE NODULES SCATTERED THROUGH SHALES ALTERED TO LIMONITE AND HEMATITE

Reporter information

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