Montana · Silver Bow County
Plant

Beal Mountain Mine

Silver Bow County, Montana, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit typePolymetallic veins, Au-Ag, Skarn, Au
Model64: Skarn Au85: Polymetallic veins
WorkingsSurface
Orebody formPIPE (NEARLY VERTICAL)
Materials
Ore mineralsArsenopyrite, Gold, Sylvanite
Other materialsCalcite, Chalcopyrite, Chlorite, Molybdenite, Pyrite, Pyrrhotite, Quartz, Sericite
Geology
Host rockQuartzite · COLORADO GROUP (?); BLACKLEAF FORMATION; VAUGHN MEMBER
Associated rockDiorite · BOULDER BATHOLITH
Economic & production
Development statusPlant
First production1989
Discovery year1864
Identification
Deposit ID10124641
MRDS IDW026570
Alternate namesGerman Gulch
RegionNA
Data scoreA
Coordinates45.95429, -112.8831
References
BANISTER, D. P. GERMAN GULCH, SILVER BOW COUNTY, MONTANA. BUMINES HEAVY MINERALS SITUATION REPORT NO. 57, MARCH 1969, 10 PP.BEAL MOUNTAIN MINING INC. (PEGASUS GOLD CORP.). APPLICATION FOR A HARD ROCK OPERATING PERMIT, BEAL MOUNTAIN PROJECT, SILVER BOW COUNTY, MONTANA. FEBRUARY 1988.LAWSON, D. C. DIRECTORY OF MONTANA MINING ENTERPRISES FOR 1990. MONTANA BUREAU OF MINES AND GEOLOGY, BULL. 129, 1990.LYDEN, C. J. THE GOLD PLACERS OF MONTANA. MONTANA BUREAU OF MINES AND GEOLOGY, MEM. NO. 26, 1948, P. 142.MUNDSTOCK, W. GERMAN GULCH MINING OPERATIONS MAY START BY THIS FALL, SAYS PEGASUS OFFICIAL. WALLACE MINER. FEBRUARY 11, 1988, P. 2.NORTHERN MINER (TORONTO, CANADA). PEGASUS DOUBLES ORE RESERVES AT MONTANA LEACHING PROJECT. JANUARY 17, 1985.PEGASUS GOLD INC. ANNUAL REPORTS, 1986 - 1990.SAHINEN, U. M. MINING DISTRICTS OF MONTANA; A THESIS. MONTANA SCHOOL OF MINES, BUTTE, MT, 1935, P. 91.WALENGA, K. $13.2 MILLION PROJECT WON PERMITS IN RECORD TIME. ROCKY MOUNTAIN PAYDIRT, MARCH 1989, PP. 4A-5A.MONTANA STANDARD. MEETING THURSDAY ON BEAL AMENDMENT.FEB. 2, 1992.MONTANA STANDARD. MINING COMPANY WANTS TO EXPAND OPERATIONS. JAN. 21, 1992.MONTANA STANDARD. PEGASUS PLANS BEAL EXPLORATION.APRIL 5, 1992.PEGASUS GOLD INC., 1991 ANNUAL REPORT, P. 4,5,11,12, 1992.MINING RECORD. PEGASUS INCREASES RESERVES 14% IN 3 MONTHS. VOL.106N/13. MARCH 29, 1995.THE MINING RECORD, VOL 107, #34, AUG. 21, 1996, P19.HASTINGS, J.S., AND HARROLD, J.L., 1988, GEOLOGY OF THE BEAL GOLD DEPOSIT, GERMAN GULCH, MONTANA IN: BULK MINEABLE PRECIOUS METAL DEPOSITS OF THE WESTERN UNITED STATES; SYMPOSIUM PROCEEDINGS, R.W. SHAFER, J.J. COOPER AND P.G VIKRE (EDS.): GEOLOGICAL SOCIETY OF NEVADA, P. 207-220PEGASUS GOLD INC., 1995 ANNUAL REPORT, P6.PEGASUS GOLD INC., 1995 FORM 10-K, P9.PEGASUS GOLD INC., 1996 ANNUAL REPORT, PP. 6-7, & FORM 10-KREPORT, PP. 8, 17-18.