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 SGVIR-01 Site Name SGVIR
Latitude 48.99359 Longitude -111.95258
Geomethod NAV-GPS Datum WGS84
Elevation 3502 Township 37N
County TOOLE Range 03W
100K Quad SWEET GRASS HILLS Section 2
24K Quad SUNBURST Quarter Section
Sample Taken YES
Sample Date 6/29/2015 Formation Name Virgelle Formation (Kvi)
Sampler Name NATALIA KRZYWOSZ AND IGOR KORCAIN Sampler Notes VERY FINE GAINED, GRADATION AND MORE FRIABLE TOWARD BOTTOM, GRAY, DARK GRAY/BORWN WEATHERING. SOFT AND FRIABLE AFTER FIRST 1.5 FT.
Thickness ~1.5M Extent 50M PERIMETER
References

Site Photographs

Sample Characteristics
Meets API Minimum Standards Minerology
NO QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
1383 715.9
Material Notes

Sieving Results

Reported Sample Weight (g): 119.6
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.4 336.4 2 1.67 %
20 305.9 308.6 2.7 2.26 %
30 295.9 300 4.1 3.43 %
40 285.5 290.7 5.2 4.35 %
50 263.8 269.9 6.1 5.10 %
60 260.3 264.1 3.8 3.18 %
70 283.9 288.1 4.2 3.51 %
140 253 333.2 80.2 67.06 %
pan 355.3 366.6 11.3 9.45 % No photo available
Totals 119.60 100.00 %
Error (Init/Final Mass) -0.00 %
Lab Results
Sphericity 0.61
Roundness 0.52
First Primary 70
Second Primary 140

Available Documents

    View document [SGVIR_01_PRECRUSH0652015_8_17_9_35_47.pdf]
    View document [SGVIR_01_SPHERE_AND_ROUND0662015_8_17_9_37_2.pdf]