Idaho · Caribou County
Producer

Rasmussen Ridge Mine

Caribou County, Idaho, United States
Phosphorus-PhosphatesUraniumREEFluorine-FluoriteVanadium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryPhosphorus-Phosphates
TertiaryUranium, REE, Fluorine-Fluorite, Vanadium
Commodity typeB
Deposit
Deposit typeBedded - Phosphate
Model243: Phosphate, upwelling type
WorkingsSurface
Materials
Other materialsCalcite, Chalcedony, Collophane, Dolomite, Kaolinite, Limonite, Montmorillonite, Orthoclase, Pyrite, Quartz, Sericite
Geology
Host rockShale,Chert · Phosphoria Formation
Associated rockLimestone,Sandstone,Shale,Chert · "Wells Formation", "Brazer Limestone"
Economic & production
Development statusProducer
Identification
Deposit ID10216630
MRDS IDW026181
Alternate namesRasmussen Ridge, Southwest Slope, Rasmussen Ridge, East Slope
RegionNA
Data scoreA
Coordinates42.87985, -111.39015
References
1927 RECON G. R. MANSFIELD, PROF. PAPER 152LI, TA M., 1978, SOUTHEASTERN IDAHO PHOSPHATE MINING: HOW AN ENVIRONMENTAL IMPACT STATEMENT DISTORTS GROWTH PLANS: MINING ENGINEERING, V. 30, NO. 1, P. 25-28.CARTER, RUSSELL A., 1978, AN INTEGRATED INDUSTRY - PHOSPHATE MINING AND MILLING IN IDAHO: MINING ENGINEERING, V. 30,RULE, A. R., D. E. KIRBY, AND D. C. DAHLIN, 1978, RECENT ADVANCES IN BENEFICIATION OF WESTERN PHOSPHATES: MINING ENGINEERING, V. 30, NO. 1, P. 37-40.MANSFIELD, G.R., 1927, GEOGRAPHY, GEOLOGY, AND MINERAL RESOURCES OF PART OF SOUTHEASTERN IDAHO: USGS PROF. PAPER 152.MCKELVEY, V.E., 1953B, STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION IN IDAHO, 1947-1948, PT. 2: USGS CIRC. 301.DAVIDSON, D.F., 1953, STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION IN IDAHO, 1949, PT. 2: USGS CIRC. 305.RIOUX, R.L., 1975, GEOLOGIC MAP OF THE UPPER VALLEY QUAD., CARIBOU COUNTY, IDAHO, USGS MAP GQ-1194.SERVICE, A. L., 1966, AN EVALUATION OF THE WESTERN PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS), 3. IDAHO: U.S. BUREAU OF MINES, REPORT OF INVESTIGATIONS 6801, 201 P.SERVICE, A. L. AND POPOFF, C. C., 1964, AN EVALUATION OF THE WESTERN PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS), 1. INTRODUCTORY REVIEW: U.S. BUREAU OF MINES, REPORT OF INVESTIGATIONS 6485, 86 P.DAY, R. L., 1973, TRENDS IN THE PHOSPHATE INDUSTRY OF IDAHO AND THE WESTERN PHOSPHATE FIELD: IDAHO BUREAU OF MINES AND GEOLOGY, PAMPHLET 155, 63 P.POWELL, J. D., 1974, EVALUATION OF PHOSPHATE RESOURCES IN SOUTHEASTERN IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY, INFORMATION CIRCULAR NO. 25, 33 P.SERVICE, A. L., AND PETERSEN, N. S., 1967, AN EVALUATION OF THE WESTERN PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS) TRENDS AND OUTLOOK: U.S. BUREAU OF MINES, REPORT OF INVESTIGATIONS 6935, 131 P.THOMPSON, M. E., 1953, DISTRIBUTION OF URANIUM IN RICH PHOSPHATE BEDS OF THE PHOSPHORIA FORMATION: U.S. GEOLOGICAL SURVEY BULLETIN 988-D, P. 45-65.THOMPSON, M. E., 1954, FURTHER STUDIES OF THE DISTRIBUTION OF URANIUM IN RICH PHOSPHATE BEDS OF THE PHOSPHORIA FORMATION: U.S. GEOLOGICAL SURVEY BULLETIN 1009-D, P. 107-122MC DIVITT, J. F., 1956, ECONOMIC EVALUATION OF PHOSPHATE AND OTHER MINERALS IN SOUTHERN IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY, PAMPHLET NO. 111, 48 P.KING, D., PERSONAL COMMUNICATION (STAUFFER CHEMICAL CO.) 1984HOVELAND, D., GENERAL PHOSPHATE INFORMATION, 1984.BUREAU OF LAND MANAGEMENT, 1974, RASMUSSEN RIDGE MINING AND RECLAMATION PLAN, POCATELLO OFFICE FILE 22P.EMIGH, G. D., 1958, PETROGRAPHY, MINERALOGY AND ORIGIN OF PHOSPHATE PELLETS IN THE PHOSPHORIA FORMATION: IDAHO BUREAU OF MINES AND GEOLOGY, PAMPHLET NO. 114, 60 P.MARTIN, G. W., 1958, MINERALOGY OF PHOSPHATE OOLITES: ECONOMIC GEOLOGY, V. 53, NO. 8, DECEMBER, P. 1046-1048.GARRAND, L. J., 1975, PHOSPHATE STUDY SOUTHEASTERN IDAHO, FOR U.S. DEPARTMENT OF AGRICULTURE, CARIBOU NATIONAL FOREST, U.S. DEPARTMENT OF AGRICULTURE CONTRACT NO. 50-820: GARRAND CORP.U.S. GEOLOGICAL SURVEY, BUREAU OF LAND MANAGEMENT, AND FOREST SERVICE, 1978, FINAL ENVIRONMENTAL IMPACT STATEMENT/ DEVELOPMENT OF PHOSPHATE RESOURCES IN SOUTHEASTERN IDAHO, FOUR VOLUMES.