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  3. Mineral Resource Data System (MRDS)

Site 86

Occurrence in King county in Texas, United States with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  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 10022092
MRDS ID DE01913
Record type Site
Current site name Site 86

Geographic coordinates

Geographic coordinates: -100.01649, 33.39846 (WGS84)
Elevation 460
Location accuracy 100(meters)
Relative position GO 5.5 MI NW OF KNOX CITY ON TEXAS HWY. 143 TO BRIDGE OVER BRAZOS RIVER. GO NW ON 143 ABOUT 1.9 MI TO ROAD ON SW SIDE. TURN SW 1 MI, THEN NW 0.5 MI, THEN SW AND W. 1.4 MI, THEN SW 1.85 MI TO MAIN FORK IN ROAD. GO S. AND SW FOR 1.15 MI TO UNIMPROVED OIL ROAD THAT FOLLOWS BLUFFS IN AND OUT. FOLLOW THAT WINDING ROAD FOR ABOUT 1.2 MI ALONG BASE OF BLUFFS. WALK ABOUT 200 FT TO NW TO BLUFF WHERE THE SAN ANGELO SANDSTONE CROPS OUT. PROBABLY ABOUT 10-20 FT ABOVE BASE OF BLUFF IS WHERE THE SAMPLE WAS COLLECTED, PROBABLY AT ELEVATION 1510 FT.

Site location context

Political divisions (FIPS codes)

King(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kiowa Peak NE(quadrangle 1:24,000 scale)

Aspermont(quadrangle 1:100,000 scale)

Lubbock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Brazos-Millers(hydrologic unit)

Middle Brazos-Clear Fork(hydrologic accounting unit)

Middle Brazos(hydrologic subregion)

Texas-Gulf(hydrologic region)

Geographic areas

Country State County
United States Texas King

Public Land Survey System information

Meridian Township Range Section Fraction State
89 Texas

Comments on the location information

  • HOUSTON AND TEXAS CENTRAL RAILROAD CO. SURVEY, BLOCK 13. (THE BLOCK IS ORIENTED 45 DEGREES TO TRUE N., SO THAT THE N. QUARTER CORNER OF EACH SECTION IS ACTUALLY NW OF THE C. OF EACH SECTION INSTEAD OF N.) (THE LOCATION GIVEN IS WITH RESPECT TO THE ORIENTATION OF THE SEC. 89 AS BEING N-S.) CORE HOLE C-1 (EL. 1540 FT; TD. 60 FT; TOP SAN ANGELO 12 FT DEEP) WAS ABOUT 600 FT TO NNW (STROUD AND OTHERS, 1970, P. 66-67). COPPER WAS NOT FOUND. CORE HOLE C-13 (EL. 1553 FT; TD 58 FT; TOP SAN ANGELO AT 23 FT DEEP) WAS ABOUT 1500 FT TO WSW ACROSS THE LINE IN STONEWALL CO. (STROUD AND OTHERS, 1970, P. 79). COPPER WAS NOT FOUND. CORE C-2 (STROUD, P. 67-68) (EL. 1580 FT; TD 79.5 FT; TOP SAN ANGELO 23 FT DEEP) WAS 1.1 MI N. OF SAMPLE 86 IN SE-SE-SE OF SEC. 90, HTC RR CO., BLOCK 13. COPPER WAS NOT FOUND. GALLOWAY (1970, P. 39, 40, 52) GIVES LOG SECTIONS OF C-1, C-2, AND C-13.

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Malachite Ore
Sandstone Gangue
Shale Gangue

Analytical data

Result 1.40% FROM 6-INCH BED

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name San Angelo Formation
    Rock description San Angelo Formation
    Stratigraphic age (youngest) Middle Permian
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Middle Permian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name San Angelo Formation
    Rock description San Angelo Formation

Nearby scientific data

(1) Clear Fork Group
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Gentle W. Dip Of 30 Ft/Mi Or Less, Off Bend Arch

Ore body information

  • Name UNNAMED
    General form LENTICULAR
    Strike N-S
    Dip W. 30 FT/MI OR LESS
    Thickness 0.15M

Comments on the ore body information

  • Orebody is in an outcrop

Controls for ore emplacement

  • Reducing Environment, Stratigraphic

Comments on the geologic information

  • GEOLOGY BY HUBBARD AND FISCHER (1930), BARNES (1967), AND SMITH (1974, PL. IV). GALLOWAY (1970, P. 39, 40, 52) HAS RECORDS OF CORE HOLES, THE SAME AS STROUD AND OTHERS (1970, P. 66-68, 79).; HR.AGE.MV: GUADALUPIAN

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1971
Discoverer Stroud And Others

Mining district

District name North Croton Creek

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Hardwick Ranch
    Home office E.V. Hardwick, P.O. Box 1111, Stamford, Tx. 79553
    First year 1970

Comments on the reserve resource information

  • COPPER IN 6-INCH BED OF SHALE AND SANDSTONE IN SAN ANGELO FORMATION.

Workings at the site

  • Type of workings Surface
    Name of workings OUTCROP
    Area 0.405HA

Reference information

Bibliographic references

  • Deposit

    HUBBARD, W.E., AND FISCHER, R.W., COMPILERS, 1930, GEOLOGIC MAP OF KING CO., TEXAS, SCALE 1:48,000.

  • Deposit

    BARNES, V.E., COMPILER, 1967, GEOLOGIC ATLAS OF TEXAS - LUBBOCK SHEET, SCALE 1:250,000.

  • Deposit

    STROUD, R.B., MCMAHAN, A.B., STROUP, R.K., AND HIBPSHMAN, M.A., 1970, U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 7422, 103 P. (P. 40, 66-68, 79).

  • Deposit

    SMITH, G.E., 1974, TEXAS BUREAU OF ECONOMIC GEOLOGY, REPORT OF INVESTIGATIONS 80, 84 P. (PL. IV).

  • Deposit

    GALLOWAY, W.E., 1970, TEXAS BUREAU OF ECONOMIC GEOLOGY, OPEN FILE REPORT 1970-6, 115 P. (P. 39, 40, 52)

General comments

Subject category Comment text
Deposit STROUD AND OTHERS (1970, P. 40, SAMPLE SITE 86, USBM SAMPLE NO. 82) IS REFERENCE. CORE SITES G1, C-2, AND C-13 NEARBY HAD NO COPPER (STROUD, 1970, P. 66-67, 67-68, 79). THE TOP OF SAN ANGELO IS AT ABOUT 1530 FT. SAMPLE 86 WAS COLLECTED AT ELEVATION APPROX 1510, OR 20 FT BELOW TOP OF SAN ANGELO SANDSTONE, IN A 6-INCH BED OF SANDSTONE AND SHALE. SMITH (1974, PL. IV) SHOWS GEOLOGY. LOCATION ON HARDWICK RANCH.
Deposit OUTCROP OF SAN ANGELO SANDSTONE AND SHALE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1993 Fay, Robert O. Oklahoma Geological Survey

Beyond USGS

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

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