Commodities
TertiaryTitanium, Metal, Copper, Iron
Commodity typeM
Deposit
Deposit sizeN
Orebody formLENSES
Ore controlTabular Lenses Of Ore Controlled By Local Fracture Systems Adjacent To Intrusions
Geology
Host rockLimestone · Madison Limestone
Associated rockSyenite,Diorite · Diorite Porphyry Stock;Woodhurst Stock, Syenite Porphyry
StructureAt Northeast Corner Of Zone Of Igneous Intrusions Covering Over 800 Square Km, Stocks Connected By A Dike
Tectonic settingRocky Mountain Foreland
AlterationLimestone Altered To Marble, Minor Calc-Silicates
Economic & production
Development statusProspect
Discovery year1887
Identification
Deposit ID10097432
MRDS IDW014690
RegionNA
Data scoreB
Coordinates46.98574, -110.3775
References
DEMUNCK, V. C., 1956, IRON DEPOSITS IN MONTANA: MONT. BUREAU OF MINES GEOL. INF. CIRC. 13, 55 P.GOODSPEED, G. E., AND FITZSIMMONS, P. J., 1943, PRELIMINARY REPORT OF THE IRON DEPOSITS OF THE WILLOW AND RUNNING WOLF CREEKS, MONT.: U.S. GEOLOGICAL SURVEYROBERTSON, A. F., AND ROBY, R. N., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), JUDITH BASIN COUNTY, MONT.: U.S. BUREAU MINES INF. CIRC. 7602, 48 P.1943 GEOLMAP1944 DIREXPL U.S. BUREAU MINES