Commodities
PrimarySilver, Lead, Zinc
SecondaryGold, Copper, Molybdenum
TertiaryTungsten, Cadmium, Arsenic, Antimony
Commodity typeM
Deposit
Deposit sizeY
Orebody formSHOOTS
Ore controlNortheast Joint System, Transverse Vein, Hughesville Stock
Materials
Ore mineralsMarmatite, Sphalerite
Geology
Host rockQuartz Monzonite,Granite · Madison Limestone
Associated rockRhyolite · Galena Creek Porphyry;Hughesville Stock, Hughesville Quartz Monzonite;Mixes Baldy Laccolith, Wolf Porphyry;Clendennin Laccolith, Clendennin Mountain Porphyry
StructureZone Of Laccoliths And Other Igneous Intrusions Covering Over 800 Square Km, Domal Uplift Caused By Intrusion Of Snow Creek Porphyry, Hughesville Stock With Conjugate Fracture System.
Tectonic settingRocky Mountain Foreland
Economic & production
Development statusPast Producer
First production1897
Discovery year1875
Identification
Deposit ID10071391
MRDS IDW014741
Alternate namesDanny T, Last Chance
RegionNA
Data scoreB
Coordinates47.07852, -110.63251
References
ROBERTSON, A. F., AND ROBY, R. N., 1951 MINES AND MINERAL DEPOSITS (EXCEPT FUELS), JUDITH BASIN COUNTY, MONT.: U.S. BUREAU OF MINES INF. CIRC. 7602, 48 PWITKIND, I. J., 1973, IGNEOUS ROCKS AND RELATED MINERAL DEPOSITS OF THE BARKER QUADRANGLE, LITTLE BELT MOUNTAINS, MONTANA: U.S. GEOLOGICAL SURVEY PROF. PAPER 752, 58 P.USBM I.C. 7602