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-13-SV-13 Site Name GFS-13-SV
Latitude 47.24529 Longitude -111.35992
Geomethod NAV-GPS Datum WGS84
Elevation 3773 Township 17N
County CASCADE Range 03E
100K Quad GREAT FALLS SOUTH Section 9
24K Quad BOSTON COULEE SCHOOL Quarter Section BA
Sample Taken YES
Sample Date 11/13/2013 Formation Name Kootenai Formation, Sunburst Member (Kks)
Sampler Name SUSAN VUKE Sampler Notes BOSTON COULEE RD N OF MURPHY COULEE; ROADCUT; RIPPLEMARKS; MOSTLY QUARTZ GRAINS; SOME LIMONITE, PINK AND BL GRAINS, WT CLAY
Thickness ~25 FT Extent EXPOSED FOR MILES
References

Site Photographs
Sample Characteristics
Meets API Minimum Standards Minerology
NO QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes
USED CONE CRUSHER. SAMPLE CONTAMINATED.SPHERICITY AND ROUNDNESS IS DETERMINED VISUALLY NOT WITH THE CAMSIZER

Sieving Results

Reported Sample Weight (g): 203.12
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 328.89 337.79 8.9 4.38 %
20 305.98 314.88 8.9 4.38 %
30 295.65 303.51 7.86 3.87 %
40 285.3 296.06 10.76 5.30 %
50 263.5 326.14 62.64 30.84 %
60 260.03 309.75 49.72 24.48 %
70 283.82 310.73 26.91 13.25 %
140 252.94 276.69 23.75 11.69 %
pan 354.91 358.55 3.64 1.79 % No photo available
Totals 203.08 99.98 %
Error (Init/Final Mass) 0.02 %
Lab Results
Sphericity 0.55
Roundness 0.58
First Primary 40
Second Primary 70