Montana · Powell County
Past Producer

Gravely Mine

Powell County, Montana, United States
Phosphorus-Phosphates
⌖ Show on mapUSGS source ↗
Commodities
PrimaryPhosphorus-Phosphates
Commodity typeN
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formBLANKET
Geology
Host rockPhosphorite · Phosphoria Formation (Retort Member)
StructureNortheast Limb Of Gravely Syncline
Tectonic settingNorthwest Of Boulder Batholith
Economic & production
Development statusPast Producer
First production1940
Last production1956
Identification
Deposit ID10071318
MRDS IDW014648
RegionNA
Data scoreC
Coordinates46.64323, -112.69312
References
USBM RI 6611, P. 22, 39-42.MBMG SP 25, P. 6.USGS BULL 847-D, P. 175-88, PL. 30.MBMG BULL 14, P. 34.USBM RI 6611, P. 39.