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 A21-3 Site Name A21-JG
Latitude 46.97243 Longitude -109.09127
Geomethod NAV-GPS Datum WGS84
Elevation 4225 Township 14N
County FERGUS Range 21E
100K Quad BIG SNOWY MOUNTAINS Section 17
24K Quad FORESTGROVE Quarter Section CA
Sample Taken YES
Sample Date 7/23/2013 Formation Name Tyler Formation (IPMt)
Sampler Name JAY GUNDERSON Sampler Notes 1.75 MI SW OF FOREST GROVE ON SURENOUGH CK RD; A21-3 NEAR BASE OF MASSIVE UNIT 5-10' BELOW A21-1;
Thickness 10 FT Extent 500 FT
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): 145.69
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.5 334.5 0 0.00 % No photo available
20 305.83 305.83 0 0.00 % No photo available
30 295.8 295.8 0 0.00 % No photo available
40 285.48 285.58 0.1 0.07 %
50 263.84 264.65 0.81 0.56 %
60 260.33 263.4 3.07 2.11 %
70 284.05 298.02 13.97 9.59 %
140 253.24 379.5 126.26 86.66 %
pan 355.36 356.77 1.41 0.97 % No photo available
Totals 145.62 99.95 %
Error (Init/Final Mass) 0.05 %
Lab Results
Sphericity 0.63
Roundness 0.64
First Primary 70
Second Primary 140

Available Documents

    View document [A21_03_PRECRUSH2682016_1_20_14_30_36.pdf]
    View document [A21_03_SPHERE_AND_ROUND2672016_1_20_14_30_45.pdf]
    View document [7k_crush2016_2_8_14_24_55.pdf]