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Ellsworth and Crosby Mines

Producer in Cabarrus county in North Carolina, United States with commodities Gold, Copper
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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 10071253
MRDS ID W014536
Record type Site
Current site name Ellsworth and Crosby Mines
Alternate or previous names Cabarrus

Geographic coordinates

Geographic coordinates: -80.45201, 35.33788 (WGS84)
Relative position 8.8 MI SOUTHEAST OF CONCORD, 4.8 MI SOUTH OF MOUNT PLEASANT

Site location context

Political divisions (FIPS codes)

Cabarrus(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Locust(quadrangle 1:24,000 scale)

Charlotte(quadrangle 1:100,000 scale)

Charlotte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rocky(hydrologic unit)

Upper Pee Dee(hydrologic accounting unit)

Pee Dee(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States North Carolina Cabarrus

Comments on the location information

  • DIGITIZED FROM STROMQUIST AND HENDERSON, 1985

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Malachite Ore
Calcite Gangue
Chlorite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Sericitic, Carbonate, Chloritic

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Tillery Formation
    Rock description Tillery Formation
    Stratigraphic age (youngest) Early Cambrian
    Stratigraphic age (youngest) Early Cambrian
    Stratigraphic age (youngest) Early Cambrian
    Stratigraphic age (youngest) Early Cambrian
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Tillery Formation
    Rock description Tillery Formation

Nearby scientific data

(1) -80.45201, 35.33788
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Broad Northeast-Trending Folds
Type of structure Local
Structure description Ne-Trending Fracture Zones

Ore body information

  • General form TABULAR
    Strike N 55 E
    Dip 65 W
    Thickness 1M
    Length 1000M

Controls for ore emplacement

  • Probably Along Ne-Trending Fractures Parallel To Gold Hill Fault Zone.

Comments on the geologic information

  • LOCATED IN DEFORMED AND ALTERED NE-TRENDING BASALT LAYER IN TILLERYuFORMATION. WITHIN THE GOLD HILL FAULT ZONE. LARGELY "BULL QUARTZ" VEINSuWITH MINOR OXIDIZED DISSEMINATED SULFIDES IN VEIN.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1867

Mining district

District name Carolina Slate Belt

Ownership information

  • Type Operator
    Owner Cabarrus Mining And Milling Co.

Comments on the production information

  • ORE GRADE, ORE PRODUCTION AND GOLD RECOVERY UNKNOWN

Workings at the site

  • Type of workings Surface/Underground
    Length 300M

Comments on the workings information

  • NUMEROUS SMALL PITS AND APPROXIMATELY SIX SHAFTS ARECONCENTRATED ALONG CREST OF NORTHEAST-TRENDING RIDGE. DEEPEST SHAFT IS 12 FT BY 12 FT AT THE COLLAR AND ABOUT 75 FT DEEP.

Comments on development

  • ELLSEWORTH WORKED JUST AFTER CIVIL WAR.

Reference information

Bibliographic references

  • Deposit

    CARPENTER, III, P. ALBERT, 1976, "METALLIC MINERAL DEPOSITS OF THE CAROLINA SLATE BELT, NORTH CAROLINA," N. C. DEPT. NAT. AND ECON. RES., MIN. RES SECT., BULL. 84, MAP AT 1:165,000 PG. 27, MINE TEXT PG. 29, TEXT 166 PG.; MINESITE ON STROMQUIST AND HENDERSON, 1985 (USGS MI MAP I-1400); C.B. BROWN, FIELD NOTES, 1934

General comments

Subject category Comment text
Deposit DEPOSIT CONTINUOUS WITH THE CROSBY NO.2 MINE TO THE SW. LINE OFuPROSPECTS 1 KM LONG. SEVERAL QUARTZ VEINS, LARGEST IS 1 MuTHICK.
Deposit IDENTIFICATION UNCERTAIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 D'Agostino, John P. U.S. Geological Survey
Reporter 01-OCT-1976 Mcdaniel, Ronald D. North Carolina Division of Land Resources
Updater 01-JUN-1992 Klein, T.L. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site