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.
Measured Section Details
Unit Symbol |
Name |
Township |
Range |
Section |
1/4 Section |
Location |
Latitude |
Longitude |
Geomethod |
Datum |
Page Number |
Sub Unit Id |
Sandstone Description |
Grain Size |
Cementation |
Roundness |
Sorting |
Thickness (ft) |
Suitability |
Psh |
Table 6. Stratigraphic Section of the Shedhorn, Phosphoria, and Park City formations |
08S |
02E |
20 |
C |
SW1/4 sec. 20, T. 8 S., R. 2 E. |
45.1188516278 |
-111.510910423 |
TRS-SEC |
NAD83 |
31 |
|
pale brown, thick bedded; contains small chert nodules and thin streaks of very finely sandy to cherty carbonate rock. |
fine |
hard |
|
|
12.800000000000001 |
no |
Psh |
Table 6. Stratigraphic Section of the Shedhorn, Phosphoria, and Park City formations |
08S |
02E |
20 |
C |
|
45.1188516278 |
-111.510910423 |
TRS-SEC |
NAD83 |
31 |
|
light brownish gray, massive, contains nodules and columns of yellowish-gray chert. |
fine - medium |
hard |
|
|
5.5999999999999996 |
no |
Psh |
Table 6. Stratigraphic Section of the Shedhorn, Phosphoria, and Park City formations |
08S |
02E |
20 |
C |
|
45.1188516278 |
-111.510910423 |
TRS-SEC |
NAD83 |
31 |
|
light brownish gray, massive, contains lenses and flat pebbles of dense carbonate rock, silicified fossils, and many dark grains for phosphorite |
fine - coarse |
hard |
|
|
6.5 |
no |
Psh |
Table 6. Stratigraphic Section of the Shedhorn, Phosphoria, and Park City formations |
08S |
02E |
20 |
C |
|
45.1188516278 |
-111.510910423 |
TRS-SEC |
NAD83 |
31 |
|
pale brown, massive, contains dark phosphorite, solid hydrocarbon and columns of chert |
fine |
hard |
|
|
28.399999999999999 |
no |