Florida · Polk County
Plant

Silver City

Polk County, Florida, United States
Phosphorus-PhosphatesAluminumFluorine-FluoriteIronMagnesiteUranium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryPhosphorus-Phosphates
TertiaryAluminum, Fluorine-Fluorite, Iron, Magnesite, Uranium
Commodity typeB
Materials
Other materialsCollophane, Dolomite, Montmorillonite, Quartz
Economic & production
Development statusPlant
First production1930
Discovery year1906
Identification
Deposit ID10216458
MRDS IDISM0374
RegionNA
Data scoreB
Coordinates27.80031, -81.90295
References
JERRY BALL, ACCOUNTANT FOR ESTECH, INC.; 8/20/87 TELEPHONECONVERSATION WITH LEE OSMONSON.CENTRAL FLA. PHOSPHATE INDUSTRY AREAWIDE IMPACT ASSESSMENTPROGRAM, EXISTING LAND USE, VOL IV, PREPARED FOR U.S.E.P.A.TEXAS INSTRUMENTS INC, JUNE 1977.COMPANY VISIT IN JANUARY 1985; AVAILABLE UPON REQUEST FROMSWIFT AGRICULTURAL CHEMICALS CORP., ANNUAL REPORT, 1976PHILLIPS PETROLEUM CO. MINING MASTER PLAN FOR MANATEE COUNTYFLORIDA. SUBMITTED TO THE MANATEE COUNTY ZONING BOARDZELLARS-WILLIAMS INC.,EVALUATION OF THE PHOSPHATE DEPOSITSOF FLORIDA USING THE MINERALS AVAILABILITY SYSTEM, BUMINESOPEN FILE REPORT 112-78, NTIS: PB 286 648/AS, 1978, 199 PP.GENERAL HIGHWAY MAP, POLK COUNTY FLORIDA DEPART. OF TRANSP.BRADLEY JUNCTION, HOMELAND, MULBERRY QUADRANGLES 7 1/2MINUTE SERIES, U.S.G.S., 1949, 1952, 1949.