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 MED_LAKE Site Name MEDICINE LAKE
Latitude 48.40374 Longitude -104.3552
Geomethod NAV-GPS Datum NAD83
Elevation 2055 Township 31N
County SHERIDAN Range 57E
100K Quad CULBERTSON Section 31
24K Quad CAPENEYS LAKE Quarter Section AB
Sample Taken YES
Sample Date Formation Name Eolian sand (Qe)
Sampler Name KEVIN CHANDLER Sampler Notes FINE-MEDIUM GREENISH-GREY UNCONSOL. SAND; LOTS OF MISCELLANEOUS MATERIAL, SUBANGULAR, MOD SORTED
Thickness Extent
References
Sample Characteristics
Meets API Minimum Standards Minerology
NO QUARTZ
Pre Wash Weight (g) Post Wash Weight (g)
380.4 358.7
Material Notes

Sieving Results

Reported Sample Weight (g): 117
Mesh Empty (g) After (g) Mass of Sample (g) Percent of Total Photo
16 334.5 334.5 0 0.00 % No photo available
20 306 306.2 0.2 0.17 %
30 296 297.5 1.5 1.28 %
40 285.6 292.2 6.6 5.64 %
50 264 285.9 21.9 18.72 %
60 260.5 281.5 21 17.95 %
70 284.3 304.7 20.4 17.44 %
140 252.9 297.4 44.5 38.03 %
pan 355.4 356.2 0.8 0.68 % No photo available
Totals 116.90 99.91 %
Error (Init/Final Mass) 0.09 %
Lab Results
Sphericity 0.62
Roundness 0.65
First Primary 40
Second Primary 70

Available Documents

    View document [MED_LAKE_PRECRUSH1402015_12_28_11_29_11.pdf]
    View document [MED_LAKE_SPHERE_ROUND1482015_12_28_11_29_35.pdf]
    View document [MED_LAKE_5KCRUSH1542015_12_28_11_30_1.pdf]