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
Sample Name GFS-19-SV-13 Site Name GFS-19-SV
Latitude 47.14088 Longitude -111.41181
Geomethod NAV-GPS Datum WGS84
Elevation 4194 Township 16N
County CASCADE Range 02E
100K Quad GREAT FALLS SOUTH Section 13
24K Quad SPANISH COULEE SCHOOL Quarter Section AD
Sample Taken YES
Sample Date 11/14/2013 Formation Name Kootenai Formation, Sunburst Member (Kks)
Sampler Name SUSAN VUKE Sampler Notes UPPER MILLEGAN RD, S OF STREETER HILL; SLABS OF ROCK ON SURFACE; ALMOST NOTHING BUT QUARTZ GRAINS
Thickness LESS THAN 5 FT Extent EXPOSED SQUARE MILES, BUT PROBABLY AS LENSES
References

Site Photographs
Sample Characteristics
Meets API Minimum Standards Minerology
YES QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes

Sieving Results

Reported Sample Weight (g): 195
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 328.99 336.97 7.98 4.09 % No photo available
20 305.88 307.97 2.09 1.07 %
30 295.68 297.62 1.94 0.99 %
40 285.32 288.13 2.81 1.44 %
50 263.54 270.02 6.48 3.32 %
60 260.02 270.42 10.4 5.33 %
70 283.85 303.98 20.13 10.32 %
140 252.86 381.72 128.86 66.08 %
pan 354.93 369.2 14.27 7.32 % No photo available
Totals 194.96 99.98 %
Error (Init/Final Mass) 0.02 %
Lab Results
Sphericity 0.67
Roundness 0.67
First Primary 70
Second Primary 140

Available Documents

    View document [GFS_19_PRECRUSH2015_8_3_14_59_45.pdf]
    View document [GFS_19_SPHERE_ROUND2015_8_3_14_59_50.pdf]
    View document [GFS_19_CRUSH8K2015_8_3_15_1_4.pdf]