| Deposit ID | 10008874 |
|---|---|
| MRDS ID | D001356 |
| Record type | Site |
| Current site name | Llano Region |
| Geographic coordinates: | -98.71701, 30.70021 (WGS84) |
|---|
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)
| Country | State | County |
|---|---|---|
| United States | Texas | Llano |
| Commodity | Importance |
|---|---|
| Tungsten Critical | Primary |
| Garnet | Primary |
| Materials | Type of material |
|---|---|
| Epidote | Ore |
| Garnet | Ore |
| Scheelite | Ore |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -98.71701, 30.70021 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D001356 |
LEMMON, D.M., UNPUBLISHED DATA.
LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.
PAIGE, S., 1912, USGS GEOL. ATLAS, FOLIO 183.
BARNES, V.E., ET AL., 1942, TEXAS UNIV. BUR. ECON GEOL., MIN. RES. CIRC. 20.
| Subject category | Comment text |
|---|---|
| Deposit | FIVE SAMPLES TAKEN BY THE U.S. BUREAU OF MINES FROM A DEPOSIT ON THE AUGUST OTTO RANCH (ABOUT 16 MI. WEST OF LLANO) ASSAYED LESS THAN 0.05 PERCENT OF WO3 AND ONE, 0.35 PERCENT. THREE SAMPLES TAKEN BY THE U.S. BUREAU OF MINES FROM A PROSPECT ON THE G.A. PARKINSON RANCH (6 MI. SOUTHWEST OF LLANO) CONTAINED LESS THAN 0.05 PERCENT OF WO3 AND ONE GRAB SAMPLE CONTAINED 1.05 PERCENT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1973 | Elliott, James E. | U.S. Geological Survey | PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD |
| Editor | 09-JUN-1995 | Mosier, Dan | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.