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 A20-2 Site Name A20-JG
Latitude 46.94868 Longitude -109.464783
Geomethod NAV-GPS Datum WGS84
Elevation 4734 Township 14N
County FERGUS Range 18E
100K Quad BIG SNOWY MOUNTAINS Section 29
24K Quad CASTLE BUTTE Quarter Section AD
Sample Taken YES
Sample Date 7/22/2013 Formation Name Tyler Formation (IPMt)
Sampler Name JAY GUNDERSON Sampler Notes NEAR Y JUNCTION 3/4 MI NW OF A20-1 ON COTTONWOOD CK RD; A20-2 LIGHT-COLORED CALC MUDSTONE W/ MUDCRACKS, LITTLE TYLER ON TOP; SUSAN'S PT#19
Thickness 5 Extent 100
References
Sample Characteristics
Meets API Minimum Standards Minerology
NO OTHER MINERALS
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes

Sieving Results

Reported Sample Weight (g): 278.52
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.15 338.4 4.25 1.53 %
20 305.84 315.41 9.57 3.44 %
30 295.42 309.39 13.97 5.02 %
40 285.09 308.48 23.39 8.40 %
50 263.49 335.59 72.1 25.89 %
60 260.01 314.88 54.87 19.70 %
70 283.69 307.11 23.42 8.41 %
140 252.82 312.66 59.84 21.48 %
pan 354.97 372.04 17.07 6.13 % No photo available
Totals 278.48 99.99 %
Error (Init/Final Mass) 0.01 %
Lab Results
Sphericity
Roundness
First Primary 40
Second Primary 70

Available Documents

    View document [A20_02_PRECRUSH2492016_1_6_13_5_23.pdf]