Mine detail: Rasmussen Ridge Mine

Previously called 'Rasmussen Ridge, Southwest SlopeRasmussen Ridge, East SlopeLanes Creek NW, Area D, 15-24'

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Location

Lat / long: 42.87932, -111.39161

Resource(B)

Primary: Phosphorus-Phosphates
Tertiary: Uranium, REE, Fluorine-Fluorite, Vanadium
Other material: Calcite, Chalcedony, Collophane, Dolomite, Kaolinite, Limonite, Montmorillonite, Orthoclase, Pyrite, Quartz, Sericite

Production

Operation type: Surface
Development status: Producer

Geology

Host rock:Phosphoria Formation
Host type:Shale,Chert
Associated rock:Wells Formation, Brazer Limestone
Associated type:Limestone,Sandstone,Shale,Chert

References

MRDSW026181
MAS160290062
DEP10216630
Reference{Deposit:: 1927 RECON G. R. MANSFIELD, PROF. PAPER 152}{Deposit:: LI, TA M., 1978, SOUTHEASTERN IDAHO PHOSPHATE MINING: HOW AN ENVIRONMENTAL IMPACT STATEMENT DISTORTS GROWTH PLANS: MINING ENGINEERING, V. 30, NO. 1, P. 25-28.}{Deposit:: CARTER, RUSSELL A., 1978, AN INTEGRATED INDUSTRY - PHOSPHATE MINING AND MILLING IN IDAHO: MINING ENGINEERING, V. 30,}{Deposit:: 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.}{Deposit:: MANSFIELD, G.R., 1927, GEOGRAPHY, GEOLOGY, AND MINERAL RESOURCES OF PART OF SOUTHEASTERN IDAHO: USGS PROF. PAPER 152.}{Deposit:: MCKELVEY, V.E., 1953B, STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION IN IDAHO, 1947-1948, PT. 2: USGS CIRC. 301.}{Deposit:: DAVIDSON, D.F., 1953, STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION IN IDAHO, 1949, PT. 2: USGS CIRC. 305.}{Deposit:: RIOUX, R.L., 1975, GEOLOGIC MAP OF THE UPPER VALLEY QUAD., CARIBOU COUNTY, IDAHO, USGS MAP GQ-1194.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: POWELL, J. D., 1974, EVALUATION OF PHOSPHATE RESOURCES IN SOUTHEASTERN IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY, INFORMATION CIRCULAR NO. 25, 33 P.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: 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. 107-122}{Deposit:: MC 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.}{Deposit:: KING, D., PERSONAL COMMUNICATION (STAUFFER CHEMICAL CO.) 1984}{Deposit:: HOVELAND, D., GENERAL PHOSPHATE INFORMATION, 1984.}{Deposit:: BUREAU OF LAND MANAGEMENT, 1974, RASMUSSEN RIDGE MINING AND RECLAMATION PLAN, POCATELLO OFFICE FILE 22P.}{Geology:: 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.}{Geology:: MARTIN, G. W., 1958, MINERALOGY OF PHOSPHATE OOLITES: ECONOMIC GEOLOGY, V. 53, NO. 8, DECEMBER, P. 1046-1048.}{Reserve-Resource:: 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.}{Reserve-Resource:: 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.}
ReporterSiefken, Robert R. (Miller, Pat), Spear, James M.