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Orrs Switch-Lassater Deposits

Past Producer in Marion county in Texas, United States with commodity Iron
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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. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10099435
MRDS ID TC36811
Record type Site
Current site name Orrs Switch-Lassater Deposits

Geographic coordinates

Geographic coordinates: -94.52828, 32.83294 (WGS84)
Elevation 112
Relative position 1 MI NW OF LASSATER.

Site location context

Political divisions (FIPS codes)

Marion(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lassater(quadrangle 1:24,000 scale)

Marshall(quadrangle 1:100,000 scale)

Tyler(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lake O'the Pines(hydrologic unit)

Big Cypress-Sulphur(hydrologic accounting unit)

Red-Sulphur(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Texas Marion

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ORE-BEARING MATERIAL YIELDS 20% ORE BY VOLUME (NORTH AND SOUTH OF FAULT) AND 1000-1500 LT/AC (SW OF LASSATER).

Materials information

Materials Type of material
Goethite Ore
Hematite Ore
Siderite Ore
Clay Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Weches Member, Mount Selman Formation
    Rock description Weches Mbr, Mount Selman Formation
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) -94.52828, 32.83294
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Orrs Switch Fault Strikes E-W, Is Down To North, With 75 Ft Displacement Of Ore-Bearing Beds

Ore body information

  • General form BLANKET
    Thickness 19.81M
    Length 3540.46M
    Width 2735.81M
    Depth to top 0M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name North Basin

Land status

Ownership category Private

Comments on the workings information

  • OPEN CUTS, PITS, TRENCHES

Comments on development

  • ECON.COM: MAY HAVE SHIPPED ORE TO LONE STAR FURNACE AT JEFFERSON, MARION CO., 1907-1910.

Reference information

Bibliographic references

  • Deposit

    USGS B 902, P. 133-135

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit NORTH SIDE OF ORRS SWITCH FAULT: OXIDIZED ZONE, 8-10 FT THICK, WITH LENSES AND CONCRETIONS OF HEMATITE-GOETHITE, AND A 5-6 FT THICK ZONE OF SIDERITE COVERS AN AREA OF 200 AC WITH AN AGGREGATE THICKNESS OF 15 FT. SOUTH OF FAULT: OXIDIZED ZONE 8-10 FT THICK, CARBONATE ZONE 6-7 FT THICK COVER AN AREA OF 250 AC WITH A TOTAL THICKNESS OF 15 FT. SW OF LASSATER: CONCRETIONS OF OXIDES 3-15 INCHES IN DIAMETER OVER AN AREA OF 575 AC.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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