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  3. Mineral Resource Data System (MRDS)

Central Texas Iron Ore Resource

Occurrence in Kimble county in Texas, 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. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10063129
MRDS ID TC36765
Record type Region
Current site name Central Texas Iron Ore Resource

Geographic coordinates

Geographic coordinates: -99.50036, 31.37519 (WGS84)

Site location context

Political divisions (FIPS codes)

McCulloch(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Doole(quadrangle 1:24,000 scale)

Brady(quadrangle 1:100,000 scale)

Brownwood(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Colorado(hydrologic unit)

Middle Colorado-Concho(hydrologic accounting unit)

Lower Colorado-San Bernard Coastal(hydrologic subregion)

Texas-Gulf(hydrologic region)

Geographic areas

Country State County
United States Texas Kimble
United States Texas Mason
United States Texas Llano
United States Texas Menard
United States Texas Schleicher
United States Texas Sutton
United States Texas Crockett
United States Texas Irion
United States Texas Tom Green
United States Texas Concho
United States Texas McCulloch
United States Texas San Saba
United States Texas Lampasas
United States Texas Mills
United States Texas Comanche
United States Texas Brown
United States Texas Coleman
United States Texas Runnels
United States Texas Coke
United States Texas Nolan
United States Texas Taylor
United States Texas Callahan
United States Texas Eastland

Comments on the location information

  • APPROXIMATE DISTRICT CENTER

Commodities

Commodity Importance
Iron Tertiary

Comments on the commodity information

  • SUITABLE FOR PIGMENTS EXCEPT FOR CARBONATE CONTENT. (SEE TX BEG RI 53 FOR TEST RESULTS.)

Materials information

Materials Type of material
Goethite Ore
Hematite Ore
Calcite Gangue
Dolomite Gangue
Feldspar Gangue
Quartz Gangue

Mineral occurrence model information

Model code 247
USGS model code 34f
Deposit model name Oolitic ironstones

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Upper Unit, Hickory Sandstone Member, Riley Formation
    Rock description Upper Unit, Hickory Sandstone Mbr, Riley Formation
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -99.50036, 31.37519
ListMap

Economic information

Ore body information

  • General form BLANKET
    Thickness 27.43M
    Length 36.58M
    Width 36.58M
    Depth to top 243.84M

Controls for ore emplacement

  • Goethite Coats Oolites, Sand Grains, Clasts. Hematite Replaces Goethite.

Comments on the geologic information

  • SEDIMENTS DEPOSITED IN A LARGE, SHALLOW BAY.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Llano Region

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    BARNES, V.E., AND SCHOFIELD, D.A., 1964, POTENTIAL LOW-GRADE IRON ORE AND HYDRAULIC-FRACTURING SAND IN CAMBRIAN SANDSTONES, NORTHWEST LLANO REGION, TEXAS: TX BEG RI 53, 58P

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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