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Murphy Rock Mine

Past Producer in Mitchell county in North Carolina, United States with commodity Mica
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10026004
MRDS ID K002006
Record type Site
Current site name Murphy Rock Mine

Geographic coordinates

Geographic coordinates: -82.16013, 35.84037 (WGS84)

Site location context

Political divisions (FIPS codes)

Yancey(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Celo(quadrangle 1:24,000 scale)

Asheville(quadrangle 1:100,000 scale)

Knoxville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nolichucky(hydrologic unit)

French Broad-Holston(hydrologic accounting unit)

Upper Tennessee(hydrologic subregion)

Tennessee(hydrologic region)

Federal lands

Pisgah National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Croatan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

National Forests in North Carolina(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States North Carolina Mitchell

Comments on the location information

  • LOCATION FROM PLATE 3, USGS PROF. PAPER 577. SCALE 1:62,500

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • MUSCOVITE-BROWN TO BROWNISH GREEN, "A" STRUCTURE, BENT

Materials information

Materials Type of material
Muscovite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -82.16013, 35.84037
ListMap

Economic information

Ore body information

  • General form IRREGULAR, PINCH AND SWELL
    Strike NE
    Dip NW
    Thickness 1.22M

Comments on the geologic information

  • PLAGIOCLASE, PERTHITE, QUARTZ, MUSCOVITE PEGMATITE, FINE TO MEDIUM GRAINED; SEVERAL BODIES PRESENT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1890
Production years 1890-1895, 1917, 1930 INT. TO 1940, 1942-1943

Mining district

District name Spruce Pine District/Crabtree Creek Area

Comments on the production information

  • PRODUCTION GREATER THAN 10,000 LB.

Comments on the workings information

  • SEVERAL CUTS, SHORT ADITS, LONG CONNECTED STOPES, INCLINES IN AREA 100 BY 580.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DATA ABSTRACTED FROM USGS PROF. PAPER 577.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Fagan, James M. U.S. Geological Survey

Beyond USGS

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

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