Mine detail: Leefe Operations

Previously called 'San Francisco Chemical Company #4, San Francisco Chemical Company #3, San Francisco Chemical Company #2, San Francisco Chemical Company #1San Francisco Chemical Company, Beckwith Hills, Leefe Mine, San Francisco Chemical Company #5, North 40 Pit'

<< Back to the map

Location

Lat / long: 41.81049, -111.02272

Resource(B)

Primary: Phosphorus-Phosphates
Tertiary: Water, Free, Uranium
Discovery year: 1905

Production

Operation type: Surface
Development status: Past Producer
First production started: 1908

Geology

Host rock:Phosphoria Formation
Host type:Shale

References

MRDSW031617
MAS560230035
DEP10133238
Reference{Deposit:: Osterwald and others, 1966, Mineral Resources of Wyoming: Geological Survey of Wyoming Bull. 50 [revised ed.], p. 143-145.}{Deposit:: ANNUAL REPORT OF THE INSPECTOR OF MINES FOR THE YEAR ENDING 12/31/81.}{Deposit:: WYOMING NATURAL RESOURCE BOARD, 1969, WYOMING PHOSPHATE, IN REVIEW AND FORECAST - WYOMING MINERAL INDUSTRIES, BOOK III (NON-FUEL MINERALS), REPT. BY CAMERON ENGINEERS, P. 230-276.}{Deposit:: MESA MET-NONMET MINE FILE REF OWN/OP STAUFFER CHEMICAL C}{Geology:: GALE, H. S., AND RICHARDS, R. W., 1910, PHOSPHATES, IN U.S. GEOLOGICAL SURVEY BULL. 430, P. 457-553.}{Geology:: MCKELVEY, V. E., SMITH, L. E., HOPPIN, R. A., AND ARMSTRONG, F. C., 1953, STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION IN WYOMING: U.S. GEOLOGICAL SURVEY CIRC. 210, 35 P.}{Geology:: RICHARDSON, G. B., 1941, GEOLOGY AND MINERAL RESOURCES OF THE RANDOLPH QUADRANGLE, UTAH - WYOMING: U.S. GEOL. SURVEY BULL. 923, 54 P., PLATE.}{Geology:: RUBEY, W. W., ORIEL, S. S., AND TRACEY, J. I., JR., 1975, GEOLOGY OF THE SAGE AND KEMMERER 15-MINUTE QUADRANGLES, LINCOLN COUNTY, WYOMING: U.S. GEOLOGICAL SURVEY PROF. PAPER 855, 18 P., 2 PLATES.}{Geology:: THOMAS, H. D., 1950, SUMMARY OF THE PALEOZOIC STRATIGRAPHY OF THE GREEN RIVER BASIN, WYOMING, IN WYO. GEOL. ASSOC. 5TH ANN. FIELD CONF. GUIDEBOOK (SW WYO.), P. 17-24.}{Geology:: U.S. GEOLOGICAL SURVEY, 1954, OGDEN, UTAH; WYOMING, 1-DEGREE BY 2-DEGREE TOPOGRAPHIC MAP: U.S. GEOLOGICAL SURVEY, 1:250,000-SCALE MAP, 1 SHEET.}{Ownership:: SCHUMACHER, O. L., PENSE, R. A., AND DAVIS, R. B., 1979, FEDERAL LAND STATUS IN THE OVERTHRUST BELT OF IDAHO, MONTANA, UTAH, AND WYOMING, 1979: U.S. BUREAU OF MINES SPECIAL REPT. (IN PRESS), TEXT WITH MAPS AND OVERLAYS.}{Ownership:: U.S. BUREAU OF LAND MANAGEMENT, 1978, STATE OF WYOMING LAND STATUS: U.S. BUR. OF LAND MANAGEMENT MAP, 1:500,000 SCALE, 1 SHEET.}{Workings:: BEALL, J. V., AND MERRITT, P. C., 1966, PHOSPHATE AND POTASH - MINERALS TO FEED THE WORLD: MIN. ENG., OCT. 1966, P. 75-99.}{Workings:: COCHRAN, K L., 1950, WYOMING PHOSPHATE INDUSTRY, IN WYO. GEOL. ASSOC. 5TH ANN. FIELD CONF. GUIDEBOOK (SW WYOMING), P. 133-135.}{Workings:: KING, D. L., 1949, SURFACE STRIP PHOSPHATE MINING AT LEEFE, WYOMING, AND MONTPELIER, IDAHO, IN SYMPOSIUM ON WESTERN PHOSPHATE MINING, SAN FRANCISCO, FEB. 1949: REPR. IN A.I.M.E. MIN. TRANS., V. 184, P. 284-287.}{Workings:: KING, D. L., SR., 1967, SAN FRANCISCO CHEMICAL CO., CRAWFORD MOUNTAIN - LEEFE AREA, UTAH AND WYOMING, IN INTERMOUNTAIN ASSOC. OF GEOL. 15TH ANN. FIELD CONF., P. 203-209.}
ReporterWilson, Anna B., Barari, Rachel A., Td/Pb/Ms