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Four Corners Development

Prospect in Manatee county in Florida, United States with commodities Phosphorus-Phosphates, Fluorine-Fluorite, Uranium
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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. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10024652
MRDS ID ISM0378
Record type Site
Current site name Four Corners Development
Alternate or previous names P and R Shell Pit

Geographic coordinates

Geographic coordinates: -82.08319, 27.66698 (WGS84)
Elevation 44
Relative position CENTROID, 500 M

Site location context

Political divisions (FIPS codes)

Hillsborough(county)

Florida(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Duette NE(quadrangle 1:24,000 scale)

Saint Petersburg(quadrangle 1:100,000 scale)

Saint Petersburg(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little Manatee(hydrologic unit)

Tampa Bay(hydrologic accounting unit)

Peace-Tampa Bay(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States Florida Manatee
United States Florida Hillsborough

Comments on the location information

  • Hwy 37 Se Hillsborough County
  • SUBDIVISION OF THE OLINDA DEPOSIT IN 3 AREAS: FORNO DE CAL, FRAGAO, PAULISTA.

Commodities

Commodity Importance
Phosphorus-Phosphates Primary
Fluorine-Fluorite Critical Primary
Uranium Primary

Comments on the commodity information

  • PHOSPHATE

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
  • Host or associated Host
    Rock type Unconsolidated Deposit > Silt
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Rock unit name Hawthorn;Bone Valley
    Rock description Hawthorn;Bone Valley
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -82.08319, 27.66698
ListMap

Economic information

Ore body information

  • Depth to top 30M

Comments on the geologic information

  • Land Pebble Deposit
  • ; SEE: LAND PEBBLE PHOSPHATE DISTRICT

Economic information about the deposit and operations

Development status Prospect
Commodity type Both
Significant No
Discovery year 1920
Year of first production 1984

Mining district

District name Land Pebble Phosphate District

Ownership information

  • Type Operator
    Owner Grace Co., W. R.
  • Type Owner
    Owner Grace Co., W. R.. (50%), International Minerals And Chemical Corp. (50%)

Comments on the production information

  • DESIGNED CAPACITY: 3.4 MIL TPY CONCENTRATE (1983)
  • PLANNED CAPACITY 310,000 TPY OREPLANNED CAPACITY 310,000 TPY

Comments on the reserve resource information

  • INFERRED ORES, REPORTERS OPINION: R2S
  • R1E1 MEASURED, R1E2 INDICATED

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(YES); EXPLORATION(UNKNOWN);
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. DEVELOPMENT(UNKNOWN); EXPLORATION(UNKNOWN); OLINDA DEPOSITS HAVE BEEN WORKED SINCE THE 1950'IES

Reference information

Bibliographic references

  • Deposit

    HARBEN P., FOUR CORNERS PHOSPHATE MINE-PROGRESS AND POTENTIAL, INDUSTRIAL MINERALS, NO.164, MAY 1981, P.61-68, LONDON

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE 4 M
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE DUETTE MINE IS PROPOSED TO REPLACE THE SILVER CITY MINE
Deposit OOLITIC PHOSPHORITE OCCURRING AT THE BASE OF THE GRAMMAME FORMATION
Deposit First Production Year: PLANNED START-UP 1984

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Saam, Henning, G. U.S. Geological Survey

Beyond USGS

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

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