Robbins Mine

Producer in Moore county in North Carolina, United States with commodity Talc-Soapstone
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10026359
MRDS ID K004761
Record type Site
Current site name Robbins Mine
Alternate or previous names Standard Mineral Company

Geographic coordinates

Geographic coordinates: -79.6131, 35.41649 (WGS84)
Relative position 3 KM SOUTHWEST OF ROBBINS, N. C.

Site location context

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)

Geographic areas

Country State County
United States North Carolina Moore

Commodities

Commodity Importance
Talc-Soapstone Primary

Materials information

Materials Type of material
Sericite Gangue

Alteration

  • (Local) Advanced Argillic Alteration Of Felsic Volcanic Rock By The Action Of Hot Springs And/Or Fumaroles.

Mineral occurrence model information

Model code 154
USGS model code 25e
Deposit model name Epithermal quartz-alunite Au
Mark3 model number 38

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) Felsic Metavolcanic Rock

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation And Fold Axes Strike Northeast, Foliation Dips Steeply Northwest
Type of structure Local
Structure description Robbins Fault

Ore body information

  • General form POD/LENS
    Strike N 37 E
    Dip 60 NW
    Length 1600M
    Width 60M

Controls for ore emplacement

  • Fault-Controlled Hyrothermal-Epithermal Activity

Comments on the geologic information

  • AGE OF HOST ROCKS UNCERTAIN. VOLCANISM IN CAROLINA STATE BELT EXTENDED FROM LATE PRECAMBRIAN TO EARLY PALEOZOIC.u THIS DEPOSIT IS ASSOCIATED WITH MANY GOLD DEPOSITS IN THE ROBBINS DISTRICT.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No
Discovery year 1888
Year of first production 1919

Mining district

District name Robbins Area

Ownership information

  • Type Owner-Operator
    Owner Standard Mineral Co.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 200M
    Overall length 640.08M
    Overall width 70M

Comments on the workings information

  • STRIKE AND DIP ARE AVERAGES. OPEN WORKINGS ARE LARGE FOR THE DISTRICT.

Comments on development

  • DISCOVERED WHILE MINING FOR GOLD

Reference information

Bibliographic references

  • Deposit

    CONLEY, J. F., 1962, GEOLOGY AND MINERAL RESOURCES OF MOORE COUNTY, NORTH CAROLINA: NORTH CAROLINA DEPT. OF CONSERV. AND DEVEL. BULL. 76, 40 P.

  • Deposit

    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.

  • Deposit

    STUCKEY, J. L., 1967, PYROPHYLLITE DEPOSITS IN NORTH CAROLINA: NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 80, 38P.

  • Production

    STUCKEY, J. L., 1967, NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 80, 38P.

General comments

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

Reporter information

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

Beyond USGS

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