Montana · Sweet Grass County
Past Producer

Gish Mine

Sweet Grass County, Montana, United States
ChromiumNickelCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryChromium
TertiaryNickel, Copper
Commodity typeM
Materials
Other materialsBronzite, Chromite, Diopside, Olivine, Plagioclase, Serpentine
Economic & production
Development statusPast Producer
Discovery year1918
Identification
Deposit ID10245973
MRDS IDM060088
Alternate namesGish Prospects, Boulder River Chromite Deposit, Bonanza Group, Dark Group, Lost Shaft, Blue Bird Frac., M & R Group
RegionNA
Data scoreB
Coordinates45.47772, -110.2027
References
HESS, H.H. STILLWATER IGNEOUS COMPLEX, MONTANA. GEOL. SOC.AMER. MEM. 80, 1960, 230 PP.JACKSON, E.D. THE CHROMITE DEPOSITS OF THE STILLWATERCOMPLEX, MONTANA. IN ORE DEPOSITS IN THE U.S., 1933-1967,(GRATON SALES), V.2. NEW YORK, AIME, 1968, PP. 1495-1510.PAGE, N.J., AND J.C. DOHRENWEND. MINERAL RESOURCE POTENTIALOF THE STILLWATER COMPLEX AND ADJACENT ROCKS IN THENORTHERN PART OF THE MT. WOOD & MT. DOUGLAS QUADRANGLES,SOUTHWESTERN MONTANA. U.S. GEOLOGICAL SURVEY CIRC. 684, 1973,9 PP.SCHAFER, P.A. CHROMITE DEPOSITS OF MONTANA. MONTANA BUREAUOF MINES AND GEOL. MEMOIR 18, 1937, 35 PP.WIMMLER, 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.U.S. GEOLOGICAL SURVEY BULLETIN 948-C, 1949.MONTANA BUREAU OF MINES & GEOLOGY MEMOIR 20, P. 112.MCHUGH, E., 1994, MLA REPORT IN PREPARATION.STILLWATER COMPLEX, DEPOSIT REPORT, 1980 BOM, READ, WFOC.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.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 OFCHROMITE COMPOSITION IN THE STILLWATER COMPLEX, MIN. SOC.AMER. SPEC. PAPER 1, 1963, PP. 46-54.SULLIVAN, G.V. AND G.F. WORKENTINE. BENEFICIATING LOW-GRADECHROMITES FROM THE STILLWATER COMPLEX, MONTANA. U.S.BUREAU OF MINES R.I. 6448, 1964, 29 PP.ANONYMOUS. CHROMIUM MATERIALS SURVEY. U.S. DEPT. OF COMMERCE1962, 96 PP.HOWLAND, A.L., E.M. GARRELS, AND W.R. JONES. CHROMITEDEPOSITS OF THE BOULDER RIVER AREA, SWEETGRASS COUNTY,MONTANA. U.S. GEOLOGICAL SURVEY BULL. 948-C, 1949, PP. 63-82.WAR MINERALS REPORT 399. GISH AREA, STILLWATER COMPLEXSWEETGRASS COUNTY, MONTANA; SUPPLEMENT TO WAR MINERALS REPORT 390, U.S.BUREAU OF MINES, 1945, 8 PP.CHROMIUM AVAILABILITY---DOMESTIC, BOM IC 8895, 1982. P4,TABLE 1.