Ridgeway Mine

Producer in Fairfield county in South Carolina, United States with commodities Gold, Silver, Molybdenum, Arsenic, Copper
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10056348
MRDS ID TC00005
Record type Site
Current site name Ridgeway Mine
Related records 10250269

Geographic coordinates

Geographic coordinates: -80.87451, 34.26653 (WGS84)

Site location context

Political divisions (FIPS codes)

Fairfield(county)

South Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Longtown(quadrangle 1:24,000 scale)

Camden(quadrangle 1:100,000 scale)

Spartanburg(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Wateree(hydrologic unit)

Santee(hydrologic accounting unit)

Edisto-Santee(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States South Carolina Fairfield

Comments on the location information

  • DIGITIZED FROM 1:24,000 MAP FROM COMPANY PROVIDED MAPS. CATION OF SOUTHERN MOST PIT USED FOR ENTRY. NORTHERN PIT IS 34,16,51 LAT; 080,52,47 LAT.
  • Digitized From 1:24,000 Map From Company Provided Maps. Cation of Southern Most Pit Used For Entry. Northern Pit Is 34,16,51 Lat; 080,52,47 Lat.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Molybdenum Tertiary
Arsenic Critical Tertiary
Copper Tertiary

Comments on the commodity information

  • Native Gold

Materials information

Materials Type of material
Pyrrhotite Ore
Arsenopyrite Ore
Chalcopyrite Ore
Molybdenite Ore
Gold Ore
Pyrite Ore
Chlorite Gangue
Sericite Gangue
Quartz Gangue

Alteration

  • (Local) Silicic, Sericitic, Chloritic

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Bear Creek Sedimentary Rocks
    Rock description Bear Creek Sedimentary Rocks
    Stratigraphic age (youngest) Early Cambrian
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock
    Rock unit name Sawney'S Creek Volcanic Rocks
    Rock description Sawney'S Creek Volcanic Rocks

Nearby scientific data

(1) -80.87451, 34.26653

Economic information

Ore body information

  • General form TABULAR
    Strike E-W
    Dip SHALLOW
    Plunge direction NORTH
    Length 610M
    Width 305M

Controls for ore emplacement

  • Gold Is Concentrated In Siliceous Phyllonite

Comments on the geologic information

  • GOLD DEPOSIT IN AN EAST-WEST TRENDING ZONE OF INTENSE DEFORMATION ALONG THEuCONTACT OF THE SAWNEY CREEK BI-MODAL VOLCANIC ROCKS AND THE BEAR CREEKuTURBIDITES.
  • CAROLINA SLATE BELT

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1969
Discoverer John Chapman
Year of first production 1988

Ownership information

  • Type Owner
    Owner Galactic Resources And Bp Minerals America

Production statistics

  • Year 1988
    Material AU
    Accuracy Accurate
    Description Ap_Grade: ^0.3 Opt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 8g/mt

Comments on the reserve resource information

  • 1,400,000 OZ AU TOTAL RESOURCE

Workings at the site

  • Type of workings Surface
    Area 59.896HA
    Overall depth 137M

Comments on the workings information

  • TWO PITS(NORTH AND SOUTH)
  • Gold Deposit In An East-West Trending Zone of Intense Deformation Along Theucontact of the Sawney Creek Bi-Modal Volcanic Rocks and the Bear Creekuturbidites.

Comments on development

  • OVER 33,500 M OF CORE AND REVERSE CIRCULATION DRILLING ; MILL.CAP : OVER 13,600 T/D

Reference information

Bibliographic references

  • Deposit

    DUCKETT, R.P., AND GILLON, K.A., 1988, ECONOMIC GEOLOGY OF THE RIDGEWAY GOLD DEPOSITS, FAIRFIELD COUNTY, S.C., IN SECOR, D.T., JR., ED., SOUTHEASTERN GOLD EXCURSIONS: GEOLOGICAL SOCIETY OF AMERICA, SOUTHEAST SECTION, COLUMBIA, S.C., APRIL 4-10, 1988.

  • Deposit

    MINING MAGAZINE, MAY 1988, P. 369.

  • Deposit

    Duckett, R.P., And Gillon, K.A., 1988, Economic Geology Of The Ridgeway Gold Deposits, Fairfield County, S.C., In Secor, D.T., Jr., Ed., Southeastern Gold Excursions: Geological Society Of America, Southeast Section, Columbia, S.C., April Duckett, R.P., And Gillon, K.A., 1988, Economic Geology Of The Ridgeway Gold Deposits, Fairfield County, S.C., In Secor, D.T., Jr., Ed., Southeastern Gold Excursions: Geological Society Of America, Southeast Section, Columbia, S.C., April

General comments

Subject category Comment text
Deposit NORTH ORE ZONE 610 X 305 M; SOUTH ORE ZONE 580 X 230 M
Deposit TWO MAJOR OPEN PITS. THE SOUTHERN MOST WAS FIRST OPENED AND IS THE ONE DIGITIZED FOR LOCATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1989 Schmidt, R.G.; U.S. Geological Survey
Reporter 01-OCT-1983 Marcus, Sue U.S. Geological Survey
Editor 01-DEC-2002 Nicholson, S.W. U.S. Geological Survey Added Continent, Country, And State Fields; Formatted Fields Where Necessary

Beyond USGS

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