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  3. Mineral Resource Data System (MRDS)

Heath Mine

Past Producer in Llano county in Texas, United States with commodities Gold, Vermiculite, Bismuth, Vanadium
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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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10065167
MRDS ID TC40206
MAS/MILS ID 0482990028
Record type Site
Current site name Heath Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -98.61089, 30.79048 (WGS84)
Elevation 323
Location accuracy 10000(meters)
Relative position 2.4 MI S50W OF LONE GROVE, Est, Within 5 Secs.

Site location context

Political divisions (FIPS codes)

Llano(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lone Grove(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

Commodities

Commodity Importance
Gold Primary
Vermiculite Tertiary
Bismuth Critical Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

Ore Body (1) -98.61089, 30.79048
ListMap

Economic information

Comments on the geologic information

  • PACKSADDLE SCHIST WITH INTRUSIVE GRANITE HOST ROCKS; GRAPHITE, PYRITE, GOLD TELLURIDES AND THEIR OXIDATION PRODUCTS), PUCHERITE, MOLYBDENITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Llano Gold And Rare Metals Co.
    First year 1915

Comments on the production information

  • AT LEAST 26 SACKS OF ABOUT 1 OPT AU ORE MINED BEFORE 1912. A SMALL QUANTITY OF BULLION PRODUCED 1915.INACTIVE LITTLE DEVELOPED PRODUCER.

Comments on the workings information

  • ABOUT 60 PITS, SHAFTS WITH DRIFTS AND CROSSCUTS.

Reference information

Bibliographic references

  • Deposit

    MAXWELL, R.A., 1962, MINERAL RESOURCES OF SOUTH TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY REPT. INVEST. 43, P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit QUARTZ STRINGERS ASSOCIATED WITH PEGMATITE. RESIDUAL GOLD IN SOIL. ASSAYS YIELDED 0.01 TO 0.08 OPT AU IN WALLROCK AND 0.99 OPT AU FROM SORTED ORE. SMALL AMOUNTS OF VERMICULITE IN SCHIST FOUND IN OLD SHAFTS AND PITS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-94 Long, Keith R. U.S. Geological Survey
Reporter 18-NOV-83 Garner U.S. Bureau of Mines
Updater 05-MAR-10 Causey, J. Douglas U.S. Geological Survey

Beyond USGS

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

Maps centered on this site