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Sam Grindstaff Asbestos Mine

Past Producer in Yancey county in North Carolina, United States with commodity Asbestos
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10026096
MRDS ID K002563
Record type Site
Current site name Sam Grindstaff Asbestos Mine
Related records 10200255

Geographic coordinates

Geographic coordinates: -82.21652, 35.96537 (WGS84)
Relative position ON NORTHEAST SLOPE OF CHESNUT MOUNTAIN, 1000 FEET SOUTHEAST OF THUNDERSTRUCK KNOB.

Site location context

Political divisions (FIPS codes)

Yancey(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Micaville(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)

Geographic areas

Country State County
United States North Carolina Yancey

Commodities

Commodity Importance
Asbestos Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Economic information

Geologic structures

Type of structure Local
Structure description A Small Pegmatite Stringer That Is Offset About One Foot Indicates Some Faulting Along The Contact.

Ore body information

  • General form LENS/POD
    Length 91.44M
    Width 45.72M

Comments on the geologic information

  • THE ULTRAMAGIC BODY IS PREDONIMANTLY DUNITE. ASGESTOS OCCURS ALONG A SERIES OF CROSS-FIBER VEINS THAT RANGE FROM 0.5 TO 5 INCHES IN WIDTH. THE ASBESTOS IS RELATIVELY FREE OF IMPURITIES AND OF GOOD QUALITY; HOWEVER, THE QUANTITY OF ORE IS LIMITED.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Mining district

District name Brush Creek Area

Workings at the site

  • Type of workings Surface
    Overall length 22.86M
    Overall width 3.05M

Comments on the workings information

  • SHALLOW OPEN CUT TRENCH. SEVERAL SMALLER PROSPECT PITS AND TRENCHES IN VICINITY. MAIN TRENCH APPEARS TO BE LOCATED ALONG AN INTERIOR FAULT

Reference information

Bibliographic references

  • Deposit

    CONRAD, S.G., AND OTHERS, 1963, ANTHOPHYLLITE ASBESTOS IN NORTH CAROLINA: NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 77, 61P

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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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