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 GFS-08-SV-13 Site Name GFS-07/08-SV
Latitude 47.44549 Longitude -111.14774
Geomethod NAV-GPS Datum NAD83
Elevation 3465 Township 20N
County CASCADE Range 05E
100K Quad GREAT FALLS SOUTH Section 31
24K Quad SOUTHWEST GREAT FALLS Quarter Section BD
Sample Taken YES
Sample Date 8/31/2013 Formation Name Kootenai Formation, Sunburst Member (Kks)
Sampler Name SUSAN VUKE Sampler Notes STOCKETT RD NEW SEGMENT NEAR GERBER - FRESH PART OF ROADCUT; QUARTZOSE W BL CHERT, ROCK COLOR CHART-VERY PALE ORANGE (10 YR 8/2) WITH SOME MODERATE BROWN SPECS (5YR 4/4); FINE TO MEDIUM GRAINED; POROUS; CAN SCRAPE LOOSE GRAINS; GRAIN SHAPE- ANGULAR TO ROUNDED, QUARTZOSE & OTHER GRAINS OTHER SHAPES; EXPOSED IN ROADCUT; UNIT- SS BEDS BETWEEN SILTY MUDSTONE BEDS; NO REACTION TO ACID
Thickness ~40 FT Extent ONLY TO ROAD CUT
References
Sample Characteristics
Meets API Minimum Standards Minerology
NO QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
Material Notes
USED CONE CRUSHER

Sieving Results

Reported Sample Weight (g): 146.3
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.15 338.87 4.72 3.23 %
20 305.85 314.96 9.11 6.23 %
30 295.58 305.4 9.82 6.71 %
40 285.18 297.32 12.14 8.30 %
50 263.55 282.19 18.64 12.74 %
60 260.06 271.33 11.27 7.70 %
70 283.73 293.53 9.8 6.70 %
140 252.83 306.73 53.9 36.84 %
pan 355 371.85 16.85 11.52 % No photo available
Totals 146.25 99.97 %
Error (Init/Final Mass) 0.03 %
Lab Results
Sphericity 0.67
Roundness 0.65
First Primary 70
Second Primary 140

Available Documents

    View document [GFS_8_PRECRUSH2015_8_3_14_8_9.pdf]
    View document [GFS_8_SPHERE_ROUND2015_8_3_14_8_34.pdf]