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  3. Mineral Resource Data System (MRDS)

Olive Mine

Past Producer in Llano 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. Economic information about the deposit and operations
  10. Land status
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10065168
MRDS ID TC40207
Record type Site
Current site name Olive Mine

Geographic coordinates

Geographic coordinates: -98.57172, 30.79381 (WGS84)
Elevation 299
Location accuracy 250(meters)
Relative position 1.2 MI S10E OF LONE GROVE., Est, Within 10 Secs, Est, Within 10 Secs

Site location context

Political divisions (FIPS codes)

Llano(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lone Grove(quadrangle 1:24,000 scale)

Llano(quadrangle 1:100,000 scale)

Llano(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Llano(hydrologic unit)

Middle Colorado-Llano(hydrologic accounting unit)

Lower Colorado-San Bernard Coastal(hydrologic subregion)

Texas-Gulf(hydrologic region)

Geographic areas

Country State County
United States Texas Llano

Comments on the location information

  • WITHIN 100 YDS OF EAST BANK LITTLE LLANO RIVER.

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Magnetite Ore
Hornblende Gangue
Pyrite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Mesoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Rock unit name Packsaddle Schist
    Rock description Packsaddle Schist

Nearby scientific data

(1) -98.57172, 30.79381
ListMap

Economic information

Comments on the geologic information

  • DEPOSIT APPEARS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1892

Land status

Ownership category Private

Comments on the production information

  • ABOUT 400 ST ORE STOCKPILED BEFORE 1912. STOCKPILED ORE CONTAINED 54-58% FE, 8-10% SIO2, 0.3-0.6% S, AND UP TO 0.021% P.INACTIVE LITTLE DEVELOPED PRODUCER.

Comments on the reserve resource information

  • SEVERAL HUNDRED TONS ORE IN ABANDONED STOCKPILES. DEPOSIT ORIGINALLY CONTAINED A FEW THOUSAND TONS BUT WAS ONLY PARTIALLY WORKED.

Workings at the site

  • Type of workings Underground
    Overall depth 76.2M

Comments on the workings information

  • INCLINE SHAFT 30 FT DEEP, 230 FT VERTICAL SHAFT, CROSSCUT TUNNELS ON 50, 100, 150, AND 200 FT LEVELS. INCLINE FROM 200 FT LEVEL STRUCK ORE AT 250 FT DEPTH.

Comments on development

  • DISCOVERED ACCIDENTLY IN A SHALLOW EXCAVATION. INCLINE AND CONNECTED SHAFT SUNK 1892-1893 AND DEVELOPED ON 4 LEVELS. MAGNETIC SURVEY 1943.

Reference information

Bibliographic references

  • Deposit

    PAIGE, S., 1912, GEOLOGIC ATLAS OF THE UNITED STATES, LLANO-BURNET FOLIO, TEXAS: USGS FOLIO 183, 16 P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit TABULAR BODY 2 TO 8 FT THICK ON DIP.
Deposit Discovery Year: 1892 OR 1893

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-94 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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