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 DBR-1-SV-13 Site Name DBR-1-SV
Latitude 47.2536 Longitude -112.21975
Geomethod NAV-GPS Datum WGS84
Elevation 4275 Township 17N
County LEWIS AND CLARK Range 05W
100K Quad DEARBOM RIVER Section 3
24K Quad BOWMANS CORNERS Quarter Section DB
Sample Taken YES
Sample Date 11/14/2013 Formation Name Virgelle Formation (Kvi)
Sampler Name SUSAN VUKE Sampler Notes RD CUT ALONG WY 200 S OF AUCHARD CREEK; HIGHWAY CUT; LITTLE EXPOSURE IN HIGHWAY CUT; SOME BEDS QUARTZOSE + A LITTLE BL CHERT; OTHERS WITH TOO MUCH CHERT; 50 FT EXPOSED
Thickness 50 FEET Extent EXTENDS ALONG AUCHARD CREEK ACC TO MAP
References
Sample Characteristics
Meets API Minimum Standards Minerology
NO QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes

Sieving Results

Reported Sample Weight (g): 226
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 328.96 389.86 60.9 26.95 % No photo available
20 305.68 319.62 13.94 6.17 %
30 295.69 308.98 13.29 5.88 %
40 285.34 299.36 14.02 6.20 %
50 263.66 279.19 15.53 6.87 %
60 260.15 270.86 10.71 4.74 %
70 283.88 294.86 10.98 4.86 %
140 253.02 321.67 68.65 30.38 %
pan 354.96 372.9 17.94 7.94 % No photo available
Totals 225.96 99.98 %
Error (Init/Final Mass) 0.02 %
Lab Results
Sphericity 0.64
Roundness 0.59
First Primary 70
Second Primary 140

Available Documents

    View document [DBR_01_PRECRUSH0682015_8_13_11_12_31.pdf]
    View document [DBR_01_5K0982015_8_13_11_13_14.pdf]
    View document [DBR_01_6K0952015_8_13_11_13_24.pdf]
    View document [DBR_01_SPHERE_AND_ROUND0672015_8_13_11_13_31.pdf]