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-2-SV-13 Site Name DBR-2-SV
Latitude 47.29582 Longitude -112.27107
Geomethod NAV-GPS Datum WGS84
Elevation 4314 Township 18N
County LEWIS AND CLARK Range 05W
100K Quad DEARBOM RIVER Section 20
24K Quad KRONE RANCH Quarter Section CA
Sample Taken YES
Sample Date 11/14/2013 Formation Name Virgelle Formation (Kvi)
Sampler Name SUSAN VUKE Sampler Notes RD TO AUCHARD CREEK OFF OF BLACK ROCK RD; 2 FT EXPOSURE IN ROAD CUT; QUARTZOSE SS
Thickness 30 FT Extent EXTENDS ALONG AUCHARD CREEK (~6 MILES) 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): 154.7
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 328.93 338.91 9.98 6.45 %
20 305.93 320.18 14.25 9.21 %
30 295.76 308.95 13.19 8.53 %
40 285.32 297.75 12.43 8.03 %
50 263.58 275.14 11.56 7.47 %
60 260.07 267.47 7.4 4.78 %
70 283.91 291.03 7.12 4.60 %
140 253.01 299.31 46.3 29.93 %
pan 355.01 387.4 32.39 20.94 % No photo available
Totals 154.62 99.95 %
Error (Init/Final Mass) 0.05 %
Lab Results
Sphericity 0.63
Roundness 0.58
First Primary 70
Second Primary 140

Available Documents

    View document [DBR_02_PRECRUSH0552015_8_13_11_13_59.pdf]
    View document [DBR_02_SPHERE_AND_ROUND0562015_8_13_11_14_34.pdf]
    View document [DBR_02_5K0752015_8_13_11_14_44.pdf]