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 GFN-1-SV-13 Site Name GFN-01-SV-13
Latitude 47.56971 Longitude -111.12045
Geomethod NAV-GPS Datum NAD83
Elevation Township 21N
County CASCADE Range 05E
100K Quad GREAT FALLS SOUTH Section 17
24K Quad MONORONY DAM Quarter Section DC
Sample Taken YES
Sample Date 8/31/2013 Formation Name Kootenai Formation, Sunburst Member (Kks)
Sampler Name SUSAN VUKE Sampler Notes N OF RYAN ISLAND NEAR RYAN DAM FENCE ALONG ROAD TO DAM; QUARTZOSE, DK YELL ORANGE 10 YR 6/6 & V PALE ORNGE 10 Y R 8/2 & V LT GR N8 W BROWN SPECKS 5 YR 4/4; F GR; ABSORBS WATER; GRAINS CAN BE SCRAPED LOOSE; GRAIN SIZE IS FINE AND SUBROUNDED; NO REACTION TO ACID; WELL EXPOSED; NEAR RYAN DAM
Thickness 100 FT Extent BUILDINGS TO DAM FENCE ALONG ROAD AND ON ISLAND
References
Sample Characteristics
Meets API Minimum Standards Minerology
YES QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes

Sieving Results

Reported Sample Weight (g): 251.32
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.14 337.07 2.93 1.17 %
20 305.85 310.89 5.04 2.01 %
30 295.5 302.21 6.71 2.67 %
40 285.14 295.41 10.27 4.09 %
50 263.57 284.35 20.78 8.27 %
60 260.07 285.82 25.75 10.25 %
70 283.76 317.21 33.45 13.31 %
140 252.93 368.19 115.26 45.86 %
pan 354.97 386.08 31.11 12.38 % No photo available
Totals 251.30 99.99 %
Error (Init/Final Mass) 0.01 %
Lab Results
Sphericity 0.65
Roundness 0.66
First Primary 70
Second Primary 140

Available Documents

    View document [GFS_02_PRECRUSH0572015_8_13_11_0_40.pdf]
    View document [GFS_02_SPHERE_ROUND0562015_8_13_11_1_21.pdf]
    View document [GFN_01_6K0312015_12_29_11_23_24.pdf]
    View document [GFN-01_7K0342015_12_29_11_23_47.pdf]