Henry Knob Mine

Past Producer in York county in South Carolina, United States with commodities Kyanite, Iron-Pyrite
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 10106247
MRDS ID W032108
Record type Site
Current site name Henry Knob Mine

Geographic coordinates

Geographic coordinates: -81.27652, 35.13011 (WGS84)
Elevation 366
Relative position LOCATED AT HENRY KNOB: 13.6 KM SE OF KINGS MOUNTAIN CITY, N.C.

Site location context

Political divisions (FIPS codes)

York(county)

South Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kings Mountain(quadrangle 1:24,000 scale)

Gastonia(quadrangle 1:100,000 scale)

Charlotte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Catawba(hydrologic unit)

Santee(hydrologic accounting unit)

Edisto-Santee(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States South Carolina York

Comments on the location information

  • EAST OF KINGS MOUNTAIN RANGE
  • East of Kings Mountain Range, Kings Mountain 7.5 Quad

Commodities

Commodity Importance
Kyanite Primary
Iron-Pyrite Secondary

Comments on the commodity information

  • ORE TEXTURE AND COMPOSITION ARE UNIFORM THROUGHOUT THE DEPOSIT. PYRITE RECOVERED DURING BENEFICIATION. PYRITE IS FINE-GRAINED AND PURE-PARTICULARLY SUITED FOR USE AS A COLORANT IN GLASS

Materials information

Materials Type of material
Pyrite Ore
Kyanite Ore
Zircon Gangue
Magnetite Gangue
Lazulite Gangue
Pyrophyllite Gangue
Barite Gangue
Mica Gangue
Rutile Gangue

Analytical data

Result KYANITE QUARTZITE CONTENT 27%-KYANITE: INTERBEDDED SCHIST 10-12%-KYANITE.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Neoproterozoic

Economic information

Ore body information

  • General form LENS
    Strike N18E
    Dip VERTICAL
    Thickness 15.24M
    Length 3218.6M
    Depth to top 0M

Controls for ore emplacement

  • Lenticular Quartzite Beds

Comments on the geologic information

  • KINGS MOUNTAIN BELT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Large
Significant No
Discovery year 1846
Discoverer Michael Tuomey
Year of first production 1948
Year of last production 1969

Mining district

District name Kings Mountain District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Commercialores, Inc., 39 Cortlandt St., Ny, Ny.
  • Type Owner
    Owner Commercialores, Inc.

Comments on the production information

  • MONTHLY PRODUCTION ABOUT 900 TONNES OF CONCENTRATE FROM ORE WITH 27.6 PERCENT KYANITE

Comments on the reserve resource information

  • ESPENSHADE, 1960

Workings at the site

  • Type of workings Surface
    Area 2.804HA
    Overall depth 48.77M
    Overall length 487.68M
    Overall width 60.96M

Comments on the workings information

  • OPEN PIT NOW PARTIALLY FILLED WITH WATER. MINE TRENCH SHOWN ON KINGS MOUNTAIN TOPO QUAD AT 1:24,000.
  • INACTIVE PAST PRODUCER

Comments on development

  • POSSIBLE COMMERCIAL VALUE SUGGESTED IN 1932 BY LAURENCE L. SMITH. EARLIEST RECORDED ORE SHIPMENT 1935 BY B.J. LACHMOND (LOCKMUND) OF HANDPICKED COBBLES OF COARSE KYANITE AGGREGATES. PROPERTY LEASED BY PHOSPHATE RECOVERY CORP. IN 1939. NO MINING UNTIL SEPT. 1948 WHEN COMMERCIALORES TOOK OVER THE PROPERTY. PRODUCTION CONTINUOUS THROUGH 1969. PYRITE RECOVERED FROM 1960-69.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE IN TWO LONG LENSES OF KYANITE QUARTZITE ARRANGED IN ECHELON. KYANITE QUARTZITE INTERLAYERED AND INFOLDED WITH PYRITIC WHITE MICA SCHIST. A HOLE DRILLED TO A DEPTH OF 200 FT WAS STILL IN THE KYANITE QUARTZITE. AREA HAD TWO PROGRESSIVE METAMORPHISMS, ONE REGIONAL, ONE LOCALLY INTENSE, FOLLOWED BY A MINOR RETROGRESSIVE METAMORPHISM.
Deposit Updated 9/98 By Ahm Scgs

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1977 D'Agostino,John P. U.S. Geological Survey Field Obs
Updater 01-SEP-1998 Maybin, Arthur H. III South Carolina 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.