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-01-SV-13 Site Name GFS-01/02/03-SV
Latitude 47.42312 Longitude -111.29231
Geomethod NAV-GPS Datum NAD83
Elevation 3387 Township 19N
County CASCADE Range 03E
100K Quad GREAT FALLS SOUTH Section 1
24K Quad SOUTHWEST GREAT FALLS Quarter Section DC
Sample Taken YES
Sample Date 8/31/2013 Formation Name Kootenai Formation, Sunburst Member (Kks)
Sampler Name SUSAN VUKE Sampler Notes DUNE RD UNPAVED NEAR LARGE METAL BUILDING - LOOSE SLABS ALONG RD, OC'S NEARBY; QUARTZOSE, V LT GRAY N8 WITH M BR SPECKS 5YR 4/4; F GR; LIGHT CGREY WITH RUST-COLORED LIMONITE SPECS; EXPSOURE IS LOOSE ROCK ALONG ROAD OUT CROP NEARBY; CEMENTATION- ABSORBS WATER, DIFFICULT TO SCRATCH OFF GRAINS; GRAINS SIZE FINE GRAINED AND DIFFICULT TO SEE SHAPE; NO REACTION TO ACID
Thickness INDETERMINATE Extent LOCAL EXPOSURE, BUT EXTENSIVE IN AREA
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): 238.48
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.13 336.39 2.26 0.95 %
20 305.85 310.36 4.51 1.89 %
30 295.5 301.65 6.15 2.58 %
40 285.13 293.98 8.85 3.71 %
50 263.58 279.92 16.34 6.85 %
60 260.05 275.08 15.03 6.30 %
70 283.75 302.65 18.9 7.93 %
140 252.91 357.99 105.08 44.06 %
pan 354.98 416.34 61.36 25.73 % No photo available
Totals 238.48 100.00 %
Error (Init/Final Mass) -0.00 %
Lab Results
Sphericity 0.67
Roundness 0.64
First Primary 70
Second Primary 140

Available Documents

    View document [GFS_01_PRECRUSH2232015_8_3_13_44_41.pdf]
    View document [GFS_01_SPHERE_ROUND2242015_8_3_13_44_47.pdf]