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Carl Moss Mine

Past Producer in Llano county in Texas, United States with commodities Vermiculite, Stone, Talc-Soapstone
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  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. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10065160
MRDS ID TC40197
Record type Site
Current site name Carl Moss Mine
Alternate or previous names Yearlinghead Mountain

Geographic coordinates

Geographic coordinates: -98.71173, 30.63271 (WGS84)
Elevation 456
Relative position 7.5 MI S15W OF LLANO

Site location context

Political divisions (FIPS codes)

Llano(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Llano South(quadrangle 1:24,000 scale)

Llano(quadrangle 1:100,000 scale)

Llano(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Llano(hydrologic unit)

Middle Colorado-Llano(hydrologic accounting unit)

Lower Colorado-San Bernard Coastal(hydrologic subregion)

Texas-Gulf(hydrologic region)

Geographic areas

Country State County
United States Texas Llano

Comments on the location information

  • 0.37 MI W OF TX 16 ON SE FLANK YEARLINGHEAD MTN. SHOWN AS PROSPECT ON TOPO MAP.

Commodities

Commodity Importance
Vermiculite Primary
Stone Primary
Talc-Soapstone Primary

Materials information

Materials Type of material
Serpentine Ore
Talc Ore
Vermiculite Ore
Chlorite Gangue
Magnetite Gangue
Tremolite Gangue

Alteration

  • (Local) Serpentinite Altered To Soapstone Probably As Result Of Intrusion By Granite. Soapstone Alteration Forms An Enveloped Around A Serpentinite Core. Serpentinite May Be Metamorphosed Dunite.

Mineral occurrence model information

Model code 20
USGS model code 8f
Deposit model name Ultramafic hosted magnesite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Mesoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Rock unit name Packsaddle Schist
    Rock description Packsaddle Schist

Nearby scientific data

(1) -98.71173, 30.63271
ListMap

Economic information

Ore body information

  • General form TABULAR, LENSE

Controls for ore emplacement

  • Vermiculite In Veins In Serpentinite/Soapstone Associated With Pegmatite Dikes.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1935

Land status

Ownership category Private

Comments on the production information

  • INACTIVE LITTLE DEVELOPED PRODUCER

Comments on the reserve resource information

  • VEINS ARE NARROW (2-4 IN WIDE) AND CONTAIN 53-88% VERMICULITE WHICH WEIGHS 7-9 LBS PER CU FT.

Comments on the workings information

  • ABOUT 10 OPEN PITS AND PROSPECT PITS. INCLINED PROSPECT SHAFT 75 FT LONG AT AN ANGLE OF 45 TO 55 DEGREES.

Reference information

Bibliographic references

  • Deposit

    CLABAUGH, S.E., AND BARNES, V.E., 1959, VERMICULITE IN CENTRAL TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY REPT. INVEST. 40, P. 19-23.

  • Deposit

    BARNES, V.E., 1945, SOAPSTONE AND SERPENTINE IN THE CENTRAL MINERAL REGION OF TEXAS, IN TEXAS MINERAL RESOURCES: UNIV. TEXAS PUB. 4301, P. 55-91.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit VERMICULITE ALONG SERPENTINITE/SCHIST CONTACT. SMALL AND IRREGULARLY DISTRIBUTED MASSES OF COARSE FLAKES. VEINS TRACEABLE 50 OR MORE FT THROUGH SERPENTINITE AND SOAPSTONE. VEINS ARE 2-4 IN WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1994 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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