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Silver Drum Group, Third Term Mining District, Stansbury Mountains, Tooele County, Utah, USAi
Regional Level Types
Silver Drum GroupMine (Abandoned)
Third Term Mining DistrictMining District
Stansbury MountainsMountain Range
Tooele CountyCounty
UtahState
USACountry

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Latitude & Longitude (WGS84):
40° 29' 22'' North , 112° 35' 53'' West
Latitude & Longitude (decimal):
Type:
Mine (Abandoned)
Nearest Settlements:
PlacePopulationDistance
Grantsville10,027 (2017)16.7km
Rush Valley475 (2017)18.8km
Stockton642 (2017)20.5km
Tooele33,157 (2017)25.8km
Erda4,642 (2011)28.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Tooele Gem & Mineral SocietyTooele, Utah26km
Mindat Locality ID:
183614
Long-form identifier:
mindat:1:2:183614:4
GUID (UUID V4):
53266699-fe4e-4b64-9ddc-c61d81b237e3


Commodities (Trace) - Sulfur - Iron Pyrite
Host Rock: Limestone, Quartzite

MOST MINES SHUT DOWN AND PROBABLY EXHAUSTED, BUT IRON MOUNTAIN MINE CURRENTLY (1959) WORKED FOR PYRITE, WITH SOME COPPER OBTAINED AS LATE AS 1954 BY PRECIPITATION FROM LEACHING, AND CONSIDERABLE COPPER PRODUCED HERE 1943-47. BALAKLALA MINE ABANDONED IN 1928; MAMMOTH MINE IN 1925. DISTRICT FIRST BECAME IMPORTANT FOR BASE-METALS (COPPER AND ZINC) IN 1897. SILVER IS BY-PRODUCT, ALSO IMPORTANT IN EARLY GOSSANS. CURRENTLY (1959) EXTENSIVE EXPLORATION IN DISTRICT. (MC KNIGHT, 1960?, UNPUBLISHED DATA.)

DEPOSITS ARE FLAT LENTICULAR REPLACEMENT BODIES OF MASSIVE SULFIDE IN CERTAIN BEDS OF PORPHYRITIC SODA RHYOLITE (DEVONIAN) WHERE BROKEN BY FRACTURE CLEAVAGE, ESPECIALLY ALONG OR NEAR AXES OF BROAD ANTICLINAL OR SYNCLINAL FOLDS, ADJACENT TO FEEDER FAULTS. INTRUSIVE ROCK IS AN ALBITE GRANITE BATHOLITH OF LATE JURASSIC OR EARLY CRETACEOUS AGE. (MC KNIGHT, 1960?, UNPUBLISHED DATA.) NO MEGASCOPIC GANGUE MINERALS.

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Link to USGS MRDS:10108944

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