Commodities
PrimaryBentonite
Commodity typeN
Deposit
Deposit sizeY
Orebody formBLANKET
Geology
Host rockShale · Bearpaw Shale
StructureDip Generally Less Than 5 Deg., Numerous Faults Of Small Displacement
Tectonic settingBetween Ingomar Anticline And Porcupine Dome
AlterationVolcanic Ash To Smectite
Economic & production
Development statusProducer
First production1967
Identification
Deposit ID10070457
MRDS IDW013400
Alternate namesHallett Minerals Pit
RegionNA
Data scoreC
Coordinates46.38715, -107.0946
References
BERG, R. B., 1970, BENTONITE DEPOSITS IN THE INGOMAR - VANANDA AREA, TREASURE AND ROSEBUD COUNTIES, MONTANA: MONT. BUREAU OF MINES AND GEOL. SPEC. PUB. 51, 5 P1969 GEOLMAP MBMG SP. 5