The data displayed below were collected during a joint project between the following departments at Montana Tech of The University of Montana: Geophysical Engineering and the Montana Bureau of Mines and Geology. The samples represent sandstones collected and analyzed for their potential use as proppant material.

General Information
Reference McLane, M.J., 1971, Phanerozoic detrital rocks at the north end of the Tobacco Root Mountains, southwestern Montana: a vertical profile: Indiana University, Ph.D. dissertation, 253 p.
Notes Reference includes detailed information about each unit except for thickness which was estimated for each unit from drawn stratigraphic sections.
Measured Section Details
Unit Symbol Name Township Range Section 1/4 Section Location Latitude Longitude Geomethod Datum Page Number Sub Unit Id Sandstone Description Grain Size Cementation Roundness Sorting Thickness (ft) Suitability
_f Section 4 02N 04W 14 AB Black Butte, Jefferson County 45.9311058132 -112.064337401 TRS-SEC NAD83 205 pure white with limontie spots, planar cross bedded units are about 30 cm thick medium hard, well cemented moderat. Well 6.5999999999999996 no
_f Section 4 02N 04W 14 AB Black Butte, Jefferson County 45.9311058132 -112.064337401 TRS-SEC NAD83 205 light yellowish brown, limonitic, small scale cross bedding and planar laminations, medium alternating poorly and well cemented subangular to subrounded moderat. Well 23.100000000000001 maybe
_f Section 4 02N 04W 14 AB Black Butte, Jefferson County 45.9311058132 -112.064337401 TRS-SEC NAD83 205 light brown,conglomerate at base, finer grained upwards, crossbedded well consolidated 5 no
*q Section 15 01N 03W 13 D,C Jefferson canyon, Madison County 45.83230621565 -111.915450925 TRS-SEC NAD83 227 Similar to A, thin bedded 5 maybe
*q Section 15 01N 03W 13 D,C Jefferson canyon, Madison County 45.83230621565 -111.915450925 TRS-SEC NAD83 227 Quartz sandstone similar to A, cross bedded at base of unit 6.5999999999999996 maybe
*q Section 15 01N 03W 13 D,C Jefferson canyon, Madison County 45.83230621565 -111.915450925 TRS-SEC NAD83 227 Quartz sandstone, white, uniform, thinly laminated in part, medium bedded and massive looking, cliff forming, brecciated at base perhaps due to bedding lip fine modertately hard subangular to subrounded very well sorted 23.100000000000001 maybe