| Deposit ID | 10026359 |
|---|---|
| MRDS ID | K004761 |
| Record type | Site |
| Current site name | Robbins Mine |
| Alternate or previous names | Standard Mineral Company |
| Geographic coordinates: | -79.6131, 35.41649 (WGS84) |
|---|---|
| Relative position | 3 KM SOUTHWEST OF ROBBINS, N. C. |
Political divisions (FIPS codes)
Moore(county)
North Carolina(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Robbins(quadrangle 1:24,000 scale)
Southern Pines(quadrangle 1:100,000 scale)
Raleigh(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Deep(hydrologic unit)
Cape Fear(hydrologic accounting unit)
Cape Fear(hydrologic subregion)
South Atlantic-Gulf(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | North Carolina | Moore |
| Commodity | Importance |
|---|---|
| Talc-Soapstone | Primary |
| Materials | Type of material |
|---|---|
| Sericite | Gangue |
| Model code | 154 |
|---|---|
| USGS model code | 25e |
| Deposit model name | Epithermal quartz-alunite Au |
| Mark3 model number | 38 |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||
| |||
| (1) | Felsic Metavolcanic Rock |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Foliation And Fold Axes Strike Northeast, Foliation Dips Steeply Northwest |
| Type of structure | Local |
| Structure description | Robbins Fault |
| General form | POD/LENS |
|---|---|
| Strike | N 37 E |
| Dip | 60 NW |
| Length | 1600M |
| Width | 60M |
| Development status | Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1888 |
| Year of first production | 1919 |
| District name | Robbins Area |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Standard Mineral Co. |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 200M |
| Overall length | 640.08M |
| Overall width | 70M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | K004761 |
CONLEY, J. F., 1962, GEOLOGY AND MINERAL RESOURCES OF MOORE COUNTY, NORTH CAROLINA: NORTH CAROLINA DEPT. OF CONSERV. AND DEVEL. BULL. 76, 40 P.
SPENCE, WILLIAM H., 1975; A MODEL FOR THE ORIGIN OF THE PYROPHYLLITE DEPOSITS IN THE CAROLINA SLATE BELT (ABS.): GEOL. SOC. AMERICA ABS. WITH PROGRAMS, V. 7, NO. 4, P. 536 - 537.
STUCKEY, J. L., 1967, PYROPHYLLITE DEPOSITS IN NORTH CAROLINA: NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 80, 38P.
STUCKEY, J. L., 1967, NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 80, 38P.
| Subject category | Comment text |
|---|---|
| Deposit | RELATED TO QUARTZ-ALUNITE TYPE ALTERATION THAT ALSO IS ASSOCIATED WITH THE MANY NEARBY GOLD DEPOSITS. |
| Deposit | PYROPHYLLITE IS IN GENERAL VERY HIGH QUALITY. IS USED MOSTLY FOR MINERAL FILLERS AND CARRIERS. ; INFO.SRC : KLEIN TL USGS SITE VISITS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1975 | Burt, Edward R. | North Carolina Division of Land Resources | |
| Updater | 01-JUN-1991 | Klein, T.L. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.