| Deposit ID | 10096553 |
|---|---|
| MRDS ID | W031183 |
| Record type | Site |
| Current site name | Crews Prospect |
| Geographic coordinates: | -78.67584, 37.13867 (WGS84) |
|---|---|
| Elevation | 151 |
| Relative position | 3.2 KM (2 MI) NORTHWEST OF CULLEN. |
Political divisions (FIPS codes)
Charlotte(county)
Virginia(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Madisonville(quadrangle 1:24,000 scale)
Appomattox(quadrangle 1:100,000 scale)
Roanoke(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Roanoke(hydrologic unit)
Roanoke(hydrologic accounting unit)
Chowan-Roanoke(hydrologic subregion)
South Atlantic-Gulf(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Virginia | Charlotte |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Mica | Secondary |
| Beryllium Critical | Secondary |
| Tantalum Critical | Secondary |
| Niobium (Columbium) Critical | Secondary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Muscovite | Ore |
| Plagioclase | Ore |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Schist | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Chopawamsic Formation |
| Rock description | Chopawamsic Formation |
| (1) | -78.67584, 37.13867 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Ne-Sw Trend |
| Type of structure | Local |
| Structure description | Faults? |
| General form | LINEAR |
|---|---|
| Length | 191M |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1943 |
| Discoverer | C.T. Crews |
| District name | Charlotte-Cumberland Area |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | C. T. Crews |
| Type | Owner |
|---|---|
| Owner | Crews And Evans Properties |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W031183 |
BROWN, W.R., 1962, MICA AND FELDSPAR DEPOSITS OF VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, MINERAL RESOURCES REPORT 3, 195 P.
DIETRICH, R.V., 1970, MINERALS OF VIRGINIA: VIRGINIA POLYTECHNIC INSTITUTE, RESEARCH DIVISION BULLETIN 47, WILLIAMS PRINTING CO., RICHMOND, VA., 325 P.
1943 DIREXPL C.T. CREWS - DUG THREE PIT
| Subject category | Comment text |
|---|---|
| Deposit | ON THE CREWS PROPERTY A SMALL BODY OF PEGMATITE CONTAINING CHIEFLY POTASH FELDSPAR AND SMALL BLACK-STAINED MICA WAS UNCOVERED. ON THE EVANS PROPERTY ONLY A LITTLE MICA AND SEVERAL CRYSTALS OF BERYL WERE FOUND. DIETRICH (1970) REPORTS COLUMBITE WAS ALSO FOUND AT THIS PROSPECT. THE CORE IS DISCONTINUOUS AND CONSISTS OF QUARTZ, THE INTERMEDIATE ZONE IS RICH IN PERTHITE, AND THE WALL ZONE IS RICH IN PLAGIOCLASE, WITH INTERSTITIAL QUARTZ AND MUSCOVITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1981 | Trimble, David C. (Sweet, Palmer C.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.