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 |
Pp |
Phosphoria formation |
12S |
02W |
2 |
C |
|
44.8138682551 |
-111.8172700065 |
TRS-SEC |
NAD83 |
151 |
1 |
sandstone- light shades of reddish brown, weathers dark, fossils |
|
|
|
|
17 |
maybe |
Pp |
Phosphoria formation |
12S |
02W |
2 |
C |
|
44.8138682551 |
-111.8172700065 |
TRS-SEC |
NAD83 |
151 |
3 |
sandstone- gray, quartzitic; poorly exposed |
|
|
|
|
50 |
|
Pp |
Phosphoria formation |
12S |
02W |
2 |
C |
|
44.8138682551 |
-111.8172700065 |
TRS-SEC |
NAD83 |
151 |
7 |
sandstone- quartzitic,contains chert nodules and stringers, light gray and light brown,chert is white to greyish yellow |
|
|
|
|
4 |
no |
Pp |
Phosphoria formation |
12S |
02W |
2 |
C |
|
44.8138682551 |
-111.8172700065 |
TRS-SEC |
NAD83 |
152 |
12 |
sandstone- quartzitic, light brown to buff with chert stringers and veins crossing the bedding at right angles |
|
|
|
|
22 |
maybe |
Pp |
Phosphoria formation |
12S |
02W |
2 |
C |
|
44.8138682551 |
-111.8172700065 |
TRS-SEC |
NAD83 |
152 |
14 |
sandstone-quartzitic, light gray to light brown, massive conchoidal fracture |
|
|
|
|
6 |
no |
*q |
Quadrant Formation |
12S |
02W |
27 |
|
Section along the west fork of the madison river |
44.759601242 |
-111.8324376865 |
TRS-SEC |
NAD83 |
152 |
1 |
sandstone- yellowish brown, weathers light gray, medium bedded andpoorly exposed. |
|
|
|
|
46 |
|
*q |
Quadrant Formation |
12S |
02W |
27 |
|
|
44.759601242 |
-111.8324376865 |
TRS-SEC |
NAD83 |
152 |
3 |
Sandstone simialar to unit 1 |
|
|
|
|
82 |
|
*q |
Quadrant Formation |
12S |
02W |
27 |
|
|
44.759601242 |
-111.8324376865 |
TRS-SEC |
NAD83 |
153 |
7 |
sandstone- light yellow to light gray to tan, crudely medium bedded |
medium |
calcareous |
|
|
7 |
yes |
_f |
Flathead Formation |
12S |
01W |
31 |
B |
Section along the west fork of the madison river |
44.7487927023 |
-111.776338169 |
TRS-SEC |
NAD83 |
159 |
1 |
Sandstone- tan, thin bedded, alternating with thin beds of glauconitic sandstone and green shales |
|
|
|
|
19 |
no |
_f |
Flathead Formation |
12S |
01W |
31 |
B |
Section along the west fork of the madison river |
44.7487927023 |
-111.776338169 |
TRS-SEC |
NAD83 |
159 |
2 |
sandstone- quartzitic,buff, medium bedded, cross bedded, intercalated with few thin green shale beds |
|
|
|
|
35 |
maybe |
_f |
Flathead Formation |
12S |
01W |
31 |
B |
Section along the west fork of the madison river |
44.7487927023 |
-111.776338169 |
TRS-SEC |
NAD83 |
159 |
3 |
sandstone-quartzitic, rusty yellow brown to dark red and dark gray, weathers darker, thin to thick bedded, clear quartz pebbles common at base of unit |
|
|
|
|
76 |
maybe |