Old Plantation Emerald, Aquamarine and Beryl Mine

Past Producer in Cleveland county in North Carolina, United States with commodities Gemstone, Beryllium, Chromium, Boron-Borates, Quartz
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  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 10078658
MRDS ID W027116
Record type Site
Current site name Old Plantation Emerald, Aquamarine and Beryl Mine

Geographic coordinates

Geographic coordinates: -81.58094, 35.23372 (WGS84)
Elevation 216
Relative position 6.1 KM A TRIFLE SOUTH OF DUE WEST OF PATTERSON SPRINGS

Site location context

Political divisions (FIPS codes)

Cleveland(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Blacksburg North(quadrangle 1:24,000 scale)

Gastonia(quadrangle 1:100,000 scale)

Charlotte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Broad(hydrologic unit)

Santee(hydrologic accounting unit)

Edisto-Santee(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States North Carolina Cleveland

Comments on the location information

  • WEST OF KINGS MOUNTAIN RANGE

Commodities

Commodity Importance
Gemstone Primary
Beryllium Critical Primary
Chromium Critical Primary
Boron-Borates Tertiary
Quartz Tertiary

Comments on the commodity information

  • SMALL PEGMATITE DIKES BEARING EITHER BERYL EMERALD VARIETY OR BERYL PALE AQUAMARINE VARIETY

Materials information

Materials Type of material
Aquamarine Ore
Beryl Ore

Analytical data

Result KEITH REPORTS ANALYSES BY F. WOHLER OF HORNBLENDE HYPERSTHENITE AND OLIVINE GABBRO FROM THE EMERALD WORKING HAD 0.16 PERCENT AND 0.17 PERCENT CHROMIUM OXIDE RESPECTIVELY

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Soapstone, Pyroxenite, And Allied Basic Rocks
    Rock description Soapstone, Pyroxenite, And Allied Basic Rocks
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Roan Gneiss
    Rock description Roan Gneiss

Nearby scientific data

(1) -81.58094, 35.23372

Economic information

Ore body information

  • General form LINEAR
    Thickness 2M
    Length 12M
    Depth to bottom 6M

Controls for ore emplacement

  • Pegmatite Dike That Cuts A Mass Of Hornblende Hypersthenite And Associated Gabbro

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No
Discovery year 1909
Year of first production 1909

Mining district

District name Gaffney Area

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Emerald Co. Of America, 1931

Comments on the production information

  • TOTAL PRODUCTION VALUE OF THE ROUGH EMERALDS WAS AT LEAST $15,000 , WITH CUT STONES SOLD FOR $5.00 TO $100.00 A CARAT WHOLESALE

Comments on the reserve resource information

  • ENTIRE EMERALD - BEARING PEGMATITE DIKE MINED; NO EMERALDS IN OTHER NEARBY DIKES; SOME EMERALDS MAY BE PRESENT IN UNDISCOVERED SITES IN AREA

Workings at the site

  • Type of workings Surface
    Overall length 10.97M
    Overall width 2M

Comments on the workings information

  • WORKED FOR EMERALDS; ANOTHER CUT 27 M SOUTH OF EAST FROM MAIN WORKING WAS FOR AQUAMARINES AND A TRENCH 60 M EAST FROM MAIN WORKING WAS ALSO FOR AQUAMARINES

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: KEITH, 1931

  • Deposit

    KEITH, ARTHUR, 1931 , GAFFNEY - KINGS MOUNTAIN S. C. - N. C. FOLIO NO. 222 , USGS GEOL. ATLAS OF THE U. S., MINE TEXT P. 12 , SYMBOL LOCATES SITE ON MAP AT 1:62,500 , TEXT 13 P.

  • Deposit

    MINE LOCATED IN BLACKSBURG NORTH TOPO QUAD AT 1:24,000

  • Deposit

    1931 GEOMAP KEITH, A., MINE LOCATION

  • Production

    KEITH, 1931

General comments

Subject category Comment text
Deposit ENTIRE EMERALD - BEARING DIKE REMOVED; TWO OTHER BERYL - AQUAMARINE DIKES WORKED BUT DIKE SIZE INFORMATION LACKING
Deposit HORNBLENDE GABBRO MASS INCLOSED BY ROAN GNEISS WHICH IS INTRUDED BY WHITESIDE GRANITE; HORNBLENDE GABBRO MASS ABOUT 30 M THICK AND 90 M OR MORE LONG; ROAN GNEISS THICKNESS 90 M TO 120 M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1977 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

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