| Deposit ID | 10085785 |
|---|---|
| MRDS ID | W701430 |
| Record type | Site |
| Current site name | Blackshaft Mine |
| Geographic coordinates: | -104.92523, 31.13906 (WGS84) |
|---|---|
| Relative position | 6 MI (10 KM) NE OF ALLAMOORE |
Political divisions (FIPS codes)
Hudspeth(county)
Texas(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sheep Peak(quadrangle 1:24,000 scale)
Van Horn(quadrangle 1:100,000 scale)
Van Horn(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Salt Basin(hydrologic unit)
Rio Grande Closed Basins(hydrologic accounting unit)
Rio Grande Closed Basins(hydrologic subregion)
Rio Grande(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Texas | Culberson |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Calcite | Gangue |
| Chlorite | Gangue |
| Dolomite | Gangue |
| Feldspar | Gangue |
| Graphite | Gangue |
| Quartz | Gangue |
| Result | RICHEST COPPER IS IN BLACK FAULT GOUGE. ZINC AND ARSENIC ALSO OCCUR IN THE ORE. KNOWN CU/AG RATIO IS 2,400 BY WEIGHT. ESTIMATED CU/AG RATIO IS 2,700 BY WEIGHT. |
|---|
| Model code | 197 |
|---|---|
| USGS model code | 30b |
| Deposit model name | Sediment-hosted Cu |
| Mark3 model number | 63 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff | ||||||||
| Rock unit name | Hazel Formation | ||||||||
| Rock description | Hazel Formation | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff |
| Rock unit name | Hazel Formation |
| Rock description | Hazel Formation |
| (1) | -104.92523, 31.13906 |
|---|
| Strike | N70E |
|---|---|
| Dip | 50-70 N |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1891 |
| Year of last production | 1948 |
| District name | Van Horn-Allamoore District |
|---|
| Ownership category | Private |
|---|
| Year | 1948 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | ? - 1948 | |||||||||||||||||||||
| Material | ORE | |||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||
| Description | Cp_Grade: ^Recovered: 3.0% Cu, 0.37 Oz/T Ag | |||||||||||||||||||||
| ||||||||||||||||||||||
| Year | 1948 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | ? - 1948 | |||||||||||||||||||||
| Material | ORE | |||||||||||||||||||||
| Accuracy | Estimate | |||||||||||||||||||||
| Description | Cp_Grade: ^Recovered: 2.8% Cu, 0.3 Oz/T Ag | |||||||||||||||||||||
| ||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W701430 |
PRICE, J. G., HENRY, C. D., AND STANDEN, A. R., 1983, ANNOTATED BIBLIOGRAPHY OF MINERAL DEPOSITS IN TRANS-PECOS TEXAS: BUREAU OF ECONOMIC GEOLOGY (TEXAS), MINERAL RESOURCE CIRCULAR NO. 73, 108 P.
TX BEG RI 145
CIMRI
PRICE AND OTHERS, 1983 P. 73; TX BEG RI 145, P.3.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1991 | Paidakovich, Matthew E. | U.S. Geological Survey | |
| Updater | 01-AUG-1992 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.