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-20-SV-13 Site Name GFS-20-SV
Latitude 47.03229 Longitude -111.55112
Geomethod NAV-GPS Datum WGS84
Elevation 4564 Township 15N
County CASCADE Range 01E
100K Quad GREAT FALLS SOUTH Section 24
24K Quad DANA RANCH Quarter Section DA
Sample Taken YES
Sample Date 11/14/2013 Formation Name Kootenai Formation, Sunburst Member (Kks)
Sampler Name SUSAN VUKE Sampler Notes ADEL RD ALONG ALLEN CREEK, N OF ENTRIES TO SIEBEN AND BK RANCHES; TYPICAL SUNBURST-MOSTLY QUARTZ GRAINSWITH LIMONITE SPECKS; 5 FT EXPOSED; NOT VERY EXTENSIVELY EXPOSED HERE BUT PROBABLY CLOSE TO SURFACE MAPPED AS NEAR SURFACE ON NEARLY DIP SLOPE
Thickness 5 FT Extent EXPOSED OR NEAR SURFACE SEV SQ MILES
References

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

Sieving Results

Reported Sample Weight (g): 235.11
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 328.94 329.36 0.42 0.18 %
20 305.88 307.32 1.44 0.61 %
30 295.65 298.09 2.44 1.04 %
40 285.3 289.2 3.9 1.66 %
50 263.51 273.9 10.39 4.42 %
60 260.02 281.68 21.66 9.21 %
70 283.82 333.63 49.81 21.19 %
140 252.95 383.35 130.4 55.46 %
pan 354.96 369.5 14.54 6.18 % No photo available
Totals 235.00 99.95 %
Error (Init/Final Mass) 0.05 %
Lab Results
Sphericity 0.66
Roundness 0.65
First Primary 70
Second Primary 140

Available Documents

    View document [GFS-20_Crush_6k_2014-06-04_0062014_10_15_10_11_44.pdf]
    View document [GFS-20_Crush_7k_2014-06-04_0072014_10_15_10_11_50.pdf]
    View document [GFS_20_PRECRUSH2015_8_3_15_2_30.pdf]
    View document [GFS_20_SPHERE_ROUND2015_8_3_15_2_38.pdf]