Florida · Hillsborough County
Producer

Big Four Mine

Hillsborough County, Florida, United States
Phosphorus-PhosphatesAluminumCalciumFluorine-FluoriteIronMagnesite
⌖ Show on mapUSGS source ↗
Commodities
PrimaryPhosphorus-Phosphates
TertiaryAluminum, Calcium, Fluorine-Fluorite, Iron, Magnesite
Commodity typeB
Deposit
Deposit typeChemical Sediment, Marine
Model244: Phosphate, warm current type
WorkingsSurface
Orebody formBlanket (The whole unit covers 2000 sq miles of the coastal plain)
Materials
Ore mineralsCollophane
GangueDolomite, Montmorillonite, Quartz
Geology
Host rockClay, Mud,Sand and Gravel,Dolomite,Phosphorite · Bone Valley Formation
Economic & production
Development statusProducer
First production1977
Discovery year1910
Identification
Deposit ID10215962
MRDS IDISM0357
Alternate namesBig Four (Mobile) (Amax Fert.)
RegionNA
Data scoreA
Coordinates27.74421, -82.07796
References
HAYNES B. W., G. W. KRAMER, AND J. A. JOLLY. FLUORINE AND URANIUM IN PHOSPHATE ROCK PROCESSING AND WASTE MATERIALS. BUMINES RI 8576, 1981, 17 PP.STOWASSER, W. F. PHOSPHATE ROCK, BUMINES MINERAL COMMODITY PROFILE, 1983, 18 PP.BRITISH SULFOR CORPORATION LIMITED. WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., 1980, 238 PP.EARTH SCIENCES, INC. URANIUM PHOSPHATE RESOURCES AND TECHNOLOGY, AND ECONOMICS OF URANIUM RECOVERY FROM PHOSPHATE RESOURCES, UNITED STATES AND FREE WORLD, DEP. ENERGY CONTRACT GJBX-110 (79) V. 2, JUNE 1979, 672 PP.LAWVER, J. E., J. P. BERNARDI, G. F. MCKEREEHAN, J. D. RAULSON, D. LYNCH, AND R. S. HEARON. NEW TECHNIQUES IN BENEFICIATION OF THE FLORIDA PHOSPHATE OF THE FURURE. MINERALS AND METALLURGICAL PROCESSING, V. I, O. 2, 1984, PP. 89-106.RAULSON, J. D. AND J. M. WILLIAMS. EVALUATION OF FLORIDA PHOSPHATE MATRIX TRANSPORTATION FROM MINE TO PLANT. MINING ENGINEERING, AUGUST 1983, PP 1196-1200.ZELLARS-WILLIAMS, INC.. EVALUATION OF THE PHOSPHATE DEPOSITS OF FLORIDA USING THE MINERALS AVAILABILITY SYSTEM, BUMINES OPEN FILE REPORT 112-78, 1978.DEMOCRAT (BARTOW, FLORIDA). AMAX CHEMICAL AND AMAX PHOSPHATE TO BE COMBINED, DEC. 13., 1982.ENGINEERING & MILNING JOURNAL. PHOSPHATE PRODUCTION EXPANDING IN FLORIDA TO MEET 1980S DEMAND. DEC. 1981, PP 47-53.SKILLINGS' MINING REVEIW. AMAX TO BUY PHOSPHATE FACILITIES OF BORDEN. JUNE 7, 1980, P 5.MINING ENGINEERING. SOUTHERN U. S. INDUSTRY. MAY 1981, P 565.MINING ENGINEERING. U.S. AND INTERNATIONAL MINERALS NEWS BRIEFS. JULY 1980, P 764.MINING ENGINEERING. INDUSTRY NEWSWATCH. DEC. 1981, P 1684.MINING CONGRESS JOURNAL. MINING NEWS, MONTH. AUG. 1980, P 6.MINING MAGAZINE. AMAX PHOSPHATE INC'S. BIG FOUR EXPANSION PROGRAMME. SEPT. 1980, PP 151.MINING ANNUAL REVIEW. PHOSPHATE ROCK. 1978, P 106.MINING ANNUAL REVIEW. PHOSPHATE ROCK. 1081, P 354.AMAX MINERALS & ENERGY. 1984 ANNUAL REPORT.MINING ANNUAL REVIEW. CHEMICAL METALS AND MINERALS. 1980, P. 109.ENGINEERING AND MINING JOURNAL. WORLD PHOSPHATE ROCK PRODUCTION. MARCH 1981, P 95.ENGINEERING AND MINING JOURNAL. THIS MONTH IN MINING. DEC. 1981, P 53.E/MJ INTERNATIONAL DIRECTORY. MAJOR OPEN PIT METAL AND NONMETALLIC MINES OF THE FREE WORLD. 1981, P 572.RANDOL MINING DIRECTORY, 1996/97, U.S. MINES & MINING COMPANIES, P. 181.Phosphorus & Potassium, No.97, Sept./Oct., 1978CENTRAL FLORIDA PHOSPHATE IND. AREA WIDE IMPACT ASSESSMENT PROGRAM. EXISTING LAND USE, VOL IV, PREPARED FOR U.S.E.P.A BY TEXAS INSTRUMENTS INC. JUNE 1977.APPLICATION FOR D.R.I.BORDEN BIGFOUR MINE, HILLS, CO., 1976 BORDEN INCORPORATED ANNUAL REPORT, 1976PHILLIPS PETROLEUM CO. MINING MASTER PLAN FOR MANATEE COUNTY ZONING BOARD, 1975ZELLARS-WILLIAMS, INC., EVALUATION OF THE PHOSPHATE DEPOSITS OF FLORIDA USING THEMINERALS AVAILABILITY SYSTEM, BUMINES OPEN FILE REPORT 112-78. NTIS: PB 2286 648/AS. KEYSVILLE, AND DUETTE NE QUADRANGLES FLORIDA, USGS 7.5 MIN. SERIES, 1955, 1956.GEORGE LOVE, CHIEF GEOLOGIST, MOBIL CHEMICAL CO.; 8/21/87 TELEPHONE CONVERSATION WITH LEE OSMONSON.E/MJ INTERNATIONAL DIRECTORY, 1984, PAGE 173