Montana · Stillwater County
Past Producer

Benbow Mine

Stillwater County, Montana, United States
ChromiumIron
⌖ Show on mapUSGS source ↗
Commodities
PrimaryChromium
TertiaryIron
Commodity typeM
Materials
Other materialsBronzite, Chromite, Enstatite, Forsterite, Olivine
Economic & production
Development statusPast Producer
First production1941
Discovery year1918
Identification
Deposit ID10197365
MRDS IDMO60101
Alternate namesBenbow Chromite Deposit
RegionNA
Data scoreB
Coordinates45.3642, -109.8061
References
ANONYMOUS. CHROMIUM MATERIALS SURVEY. U.S. DEPT. COMMERCE,1962, 96 PP.JACKSON, E.D. THE CHROMITE DEPOSITS OF THE STILLWATER SOM-PLEX, MONTANA. IN ORE DEPOSITS IN THE U.S., 1933-1967,(GRATON SALES), V. 2, NEW YORK, AIME, 1968, PP. 1495-1510.JONES, W.R., J.W. PEOPLES, AND A.L. HOWLAND. IGNEOUS ANDTECTONIC STRUCTURE OF THE STILLWATER COMPLEX, MONTANA.U.S. GEOLOGICAL SURVEY BULL. 1071-H, 1960, PP. 281-340.PAGE, N.J., AND J.C. DOHRENWEND. MINERAL RESOURCE POTEN-TIAL OF THE STILLWATER COMPLEX AND ADJACENT ROCKS IN THENORTHERN PART OF THE MT. WOOD AND MT. DOUGLAS QUADRANGLES,SOUTHWESTERN MONTANA. U.S. GEOLOGICAL SURVEY CIRC. 68H, 1973,99 PP.PEOPLES, J.W., A.L. HOWLAND, W.R. JONES, AND D. FLINT.GEOLOGIC MAP, SECTIONS, AND UNDERGROUND WORKINGS OF THEMOUNTAIN VIEW LAKE AREA, STILLWATER COUNTY, MONTANA,U.S. GEOLOGICAL SURVEY OPEN FILE RPT., 1954, 2 MAPS, 8 SECTIONSWIMMLER, N.L. INVESTIGATION OF CHROMITE DEPOSITS OF THESTILLWATER COMPLEX, STILLWATER AND SWEETGRASS COUNTIES,MONTANA, U.S. BUR. OF MINES R.I. 4368, 1948, 41 PP.MCHUGH, E., 1994, MLA REPORT IN PREPARATION.JACKSON, E.D., A.L. HOWLAND, J.W. PEOPLES, AND W.R. JONES.GEOLOGICAL MAPS AND SECTIONS OF THE EASTERN PART OFTHE STILLWATER COMPLEX IN STILLWATER COUNTY, MONTANA. U.S.GEOLOGICAL SURVEY OPEN FILE RPT., 1954, 3 MAPS, 14 SECTIONS.HESS, H.H. STILLWATER IGNEOUS COMPLEX, MONTANA. GEOL. SOC.AMER. MEM. 80, 1966, 230 PP.JACKSON, E.D. PRIMARY TEXTURES AND MINERAL ASSOCIATIONS INTHE ULTRAMAFIC ZONE OF THE STILLWATER COMPLEX, MONTANA.U.S. GEOLOGICAL SURVEY PROF. PAPER 358, 1961, 106 PP.JACKSON, E.D. STRATIGRAPHIC AND LATERAL VARIATION OF CHRO-MITE COMPOSITION IN THE STILLWATER COMPLEX. MIN. SOC.AMER. SPEC. PAPER 1, 1963, PP. 46-54.BOERICKE, F.S. AND W.M. BANGERT. EFFECT OF VARIABLES INCHEMICAL BENEFICIATION OF CHROMITE ORES. U.S. BUR OF MINESR.I. 3817, 1945, 26 PP.HUNTER, WILLARD L. AND LLOYD H. BANNING. PYROMETALLURGICALBENEFICIATION OF OFF-GRADE CHROMITE AND PRODUCTION OF FER-ROCHROMIUM. U.S. BUR OF MINES R.I. 6010, 1962, 16 PP.SULLIVAN, G.V. AND W.A. STICKNEY. FLOTATION OF PACIFICNORTHWEST CHROMITE ORES. U.S. BUR OF MINES R.I. 5646, 196014 PP.SULLIVAN, G.V. AND G.F. WORKENTINE. BENEFICATING LOW-GRADE CHROMITES FROM THE STILLWATER COMPLEX, MONTANA. U.S.BUR OF MINES R.I. 6448. 1964, 29 PP.PEOPLES, J.W., AND A.L. HOWLAND. CHROMITE DEPOSITS OF THEEASTERN PART OF THE STILLWATER COMPLEX, STILLWATER COUNTY,MONTANA. U.S. GEOLOGICAL SURVEY BULL. 922-N, 1940, PP. 371-416.SCHAFER, P.A. CHROMITE DEPOSITS OF MONTANA. MONTANA BUR. OFMINES AND GEOL. MEM. 18, 1937, 35 PP.