Description
James Graham And Joe Brown
Commodities
PrimaryGold
SecondaryTungsten, Arsenic, Silver, Copper
Commodity typeM
Deposit
Deposit sizeY
WorkingsSurface/Underground
Orebody formLENTICULAR - TABULAR
Ore controlAnticlinal Folds Along With Host Rock Composition Influenced Form, Distribution, & Type Of Deposition Stock Genetically Associated With Ore-Bearing Lodes
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Pyrrhotite, Scheelite, Sphalerite
Geology
Host rockQuartzite · Qtz. Biotite Schist, Qtz.-Cummingtonite Schist;Biotite Quartzite
Associated rockDiabase,Pegmatite,Granite · Volcanics-Rhyolite And Tuff;Granite Stock, Pegmatite And Aplite Sills;Gabbro And Diabase Sills And Stocks
StructureGardiner Thrust Fault, N-Trending Anticline With Well Developed Cross Folding
Economic & production
Development statusPast Producer
First production1870
Discovery year1870
Identification
Deposit ID10105724
MRDS IDW014722
RegionNA
Data scoreB
Coordinates45.06824, -110.62025
References
REED, G. C., 1950, MINES & MINERAL DEPOSITS - PARK COUNTY, MONTANA, U.S. BUREAU MINES INF. CIRC. 7546.SEAGER, G. F., 1944, GOLD, ARSENIC, & TUNGSTEN DEPOSITS OF THE JARDINE - CREVASSE MOUNTAIN DISTRICT, MT BUREAU MINES & GEOLOGY MEMOIR 23. , P. 78.WEDOW AND OTHERS, 1975, MINERAL RESOURCES OF THE ABSAROKA PRIMITIVE AREA AND VICINITY, PARK AND SWEET GRASS COUNTIES, MONTANA: U.S. GEOL. SURV. BULL. 1391-BMBMG SP PUB 75, P. 114.MBMG MEM. 23, USBM MINERALS YEARBOOKS, 1944-1948