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 A07-4 Site Name A07-JG
Latitude 45.2421857 Longitude -108.6739454
Geomethod NAV-GPS Datum NAD83
Elevation 5388.4 Township 07S
County CARBON Range 25E
100K Quad BRIDGER Section 9
24K Quad BOWLER Quarter Section BD
Sample Taken YES
Sample Date 6/3/2013 Formation Name Tensleep Formation (IPt)
Sampler Name JAY GUNDERSON Sampler Notes EAST ON PRYOR MTN RD TO INTSC W/ RAILROAD GRADE RD NEAR SAGE CK; CLIFF FACE TO N; MASSIVE OVERLYING UNIT - XBEDS; XBEDS (A7-4) CAPPED BY MORE MASSIVE REWORKED SANDY LIME; ALL OF A7 SAMPLED IN ~10' INTERVALS
Thickness 15 Extent 9999
References WASHED IN ACID/PRESIEVED THROUGH #12

Site Photographs

Sample Characteristics
Meets API Minimum Standards Minerology
NO QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes
USED CONE CRUSHER, SAMPLE TURED BACK INTO SOLID ROCK IN OVEN -> ACID BATH, THEN WENT INTO OVEN AGAIN AND WAS OKAY

Sieving Results

Reported Sample Weight (g): 134.81
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.48 345.86 11.38 8.44 %
20 305.9 310.07 4.17 3.09 %
30 295.93 299.85 3.92 2.91 %
40 285.66 289.05 3.39 2.51 %
50 263.84 265.89 2.05 1.52 %
60 260.28 261.73 1.45 1.08 %
70 283.88 286.33 2.45 1.82 %
140 253.05 347.92 94.87 70.37 %
pan 355.35 366.46 11.11 8.24 % No photo available
Totals 134.79 99.99 %
Error (Init/Final Mass) 0.01 %
Lab Results
Sphericity 0.66
Roundness 0.6
First Primary 70
Second Primary 140

Available Documents

    View document [A7_04_SPHERE_ROUND1442015_7_7_11_39_43.pdf]
    View document [A7_04_PRECRUSH1432015_7_7_11_39_51.pdf]
    View document [A7_04_6KCRUSH2015_7_7_11_41_30.pdf]
    View document [A7_04_5KCRUSH2015_7_7_11_42_41.pdf]
    View document [A7_04_5KCRUSH_SECONDRUN2015_7_7_11_42_57.pdf]