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 |
Mk |
1]Big Snowy Group north of Woodhurst Mountain |
14N |
11E |
2 |
|
sec. 2, T. 14 N., R. 11 E. |
47.00361614395 |
-110.2930808845 |
TRS-SEC |
NAD83 |
420 |
|
Sandstone, yellow and yellowish gray, |
fine |
|
|
|
125 |
maybe |
*Mt |
2] Big Snowy Group and Amsden formation on the Southwest side of the Blacktail Hills |
15N |
11E |
|
|
sec. 19 and 30, T. 15 N., R. 11 E. |
|
|
|
|
420 |
|
Sandstone, light brown, thin bedded to massive |
|
friable |
|
|
90 |
yes |
*Mt |
2] Big Snowy Group and Amsden formation on the Southwest side of the Blacktail Hills |
15N |
11E |
|
|
|
|
|
|
|
420 |
|
Sandstone, light brown, massive |
|
friable |
|
|
120 |
yes |
Mk |
2] Big Snowy Group and Amsden formation on the Southwest side of the Blacktail Hills |
15N |
11E |
|
|
|
|
|
|
|
421 |
|
sandstone, light yellow, mostly covered, basal 25-50 ft is red siltstone, quartz sandstone in upper part followed by 20ft of gypsum |
fine |
friable in upper part |
|
|
250 |
maybe |
*Mt |
3]Heath Shale and Amsden Formation Skull Butte Dome |
15N |
12E |
6 |
|
sec. 6, T. 15 N., R. 12 E. |
47.09083957135 |
-110.2523473945 |
TRS-SEC |
NAD83 |
423 |
|
sandstone, red, arkosic, shell fragments, quartz grains, chert and limestone pebbles |
coarse |
|
|
|
15.5 |
no |
*Mt |
3]Heath Shale and Amsden Formation Skull Butte Dome |
15N |
12E |
6 |
|
|
47.09083957135 |
-110.2523473945 |
TRS-SEC |
NAD83 |
423 |
|
Sandstone, brown, ferruginous |
|
somewhat friable |
|
|
5 |
maybe |
*Mt |
4] Upper part of Heath shale and Amsden Formation east of Lone Tree Creek |
16N |
10E |
3 |
|
sec. 3, T. 16 N., R. 10 E. |
47.1770743612 |
-110.4424808525 |
TRS-SEC |
NAD83 |
426 |
|
sandstone, red, ferruginous, partly covered |
|
|
|
|
38 |
maybe |
*Mt |
4] Upper part of Heath shale and Amsden Formation east of Lone Tree Creek |
16N |
10E |
3 |
|
sec. 3, T. 16 N., R. 10 E. |
47.1770743612 |
-110.4424808525 |
TRS-SEC |
NAD83 |
426 |
|
sandstone, white, red and yellow, cross bedded , ledge forming |
|
friable |
|
|
60 |
yes |
*Mt |
5] Upper part of Heath shale and Amsden Formation and lower part of Ellis Group, north west of Surpirse Creek |
16N |
10E |
12 |
|
sec. 12, T. 16 N., R. 10 E. |
47.16265225465 |
-110.3995993185 |
TRS-SEC |
NAD83 |
426 |
|
Sandstone, red, cross bedded ledge forming |
coarse |
|
|
|
62 |
maybe |
*Mt |
6] Amsden Formation South of Surprise Creek |
16N |
11E |
18 |
|
sec. 18, T. 16 N., R. 11 E. |
47.1482236931 |
-110.378661152 |
TRS-SEC |
NAD83 |
427 |
|
Sandstone, red and locally mottled with white, ferruginous, cross bedded |
|
somewhat friable |
|
|
36 |
maybe |
*Mt |
7] Upper part of Amsden formation along Dry Wolf Creek |
15N |
11E |
5 |
|
sec. 5, T. 15 N., R. 11 E. |
47.09043690255 |
-110.3578474715 |
TRS-SEC |
NAD83 |
427 |
|
Sandstone red |
|
|
|
|
3 |
no |
*Mt |
7] Upper part of Amsden formation along Dry Wolf Creek |
15N |
11E |
5 |
|
|
47.09043690255 |
-110.3578474715 |
TRS-SEC |
NAD83 |
427 |
|
sandstone, yellow, ripple marked , w/ some red shale partings |
|
|
|
|
22 |
no |
*Mt |
7] Upper part of Amsden formation along Dry Wolf Creek |
15N |
11E |
5 |
|
|
47.09043690255 |
-110.3578474715 |
TRS-SEC |
NAD83 |
427 |
|
sandstone, yellow to white, massive to cross bedded, ledge forming |
medium |
somewhat friable |
|
|
22 |
yes |
*Mt |
7] Upper part of Amsden formation along Dry Wolf Creek |
15N |
11E |
5 |
|
|
47.09043690255 |
-110.3578474715 |
TRS-SEC |
NAD83 |
427 |
|
Sandstone, brown, beds 0.5-3 ft thick w/ black shale partings ~4ft thick |
|
|
|
|
54 |
no |
*Mt |
7] Upper part of Amsden formation along Dry Wolf Creek |
15N |
11E |
5 |
|
|
47.09043690255 |
-110.3578474715 |
TRS-SEC |
NAD83 |
427 |
|
Sandstone, brown to white, massive - crossbedded, |
fine |
somewhat friable |
|
|
34 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
34 |
|
sec. 34 and 35, T. 15 N., R. 11 E. |
47.01804544085 |
-110.3149286415 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, white to orange |
|
friable |
|
|
5 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
34 |
|
|
47.01804544085 |
-110.3149286415 |
TRS-SEC |
NAD83 |
428 |
|
sandstone, white-orange-red color varied rapidly in all directions, bedded |
medium |
|
|
|
64 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
34 |
|
|
47.01804544085 |
-110.3149286415 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, gray, massive |
|
friable |
|
|
18 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
34 |
|
|
47.01804544085 |
-110.3149286415 |
TRS-SEC |
NAD83 |
428 |
|
Sanstone, brown, weathers into large rough surfaced blocks |
medium to coarse |
|
|
|
15 |
maybe |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
34 |
|
|
47.01804544085 |
-110.3149286415 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone , red, locally conglomeratic, hematitic, breaks into angular fragments |
coarse |
|
|
|
38.5 |
no |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
35 |
|
sec. 34 and 35, T. 15 N., R. 11 E. |
47.0181802687 |
-110.293712735 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, white to orange |
|
friable |
|
|
5 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
35 |
|
|
47.0181802687 |
-110.293712735 |
TRS-SEC |
NAD83 |
428 |
|
sandstone, white-orange-red color varied rapidly in all directions, bedded |
medium |
|
|
|
64 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
35 |
|
|
47.0181802687 |
-110.293712735 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, gray, massive |
|
friable |
|
|
18 |
yes |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
35 |
|
|
47.0181802687 |
-110.293712735 |
TRS-SEC |
NAD83 |
428 |
|
Sanstone, brown, weathers into large rough surfaced blocks |
medium to coarse |
|
|
|
15 |
maybe |
*Mt |
8] Upper part of Heath shale and the Amsden Formation, northwest side of Willow creek |
15N |
11E |
35 |
|
|
47.0181802687 |
-110.293712735 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone , red, locally conglomeratic, hematitic, breaks into angular fragments |
coarse |
|
|
|
38.5 |
no |
Jsw |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
11 |
|
sec. 11 and 14, T. 12 N., R. 16 E. |
46.81728533665 |
-109.6718101575 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, brown, glauconitic |
fine |
|
|
|
75 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
11 |
|
|
46.81728533665 |
-109.6718101575 |
TRS-SEC |
NAD83 |
428 |
|
Sanstone, yellowish orange, thin bedded |
fine |
|
|
|
9 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
11 |
|
|
46.81728533665 |
-109.6718101575 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, grayish orange |
very fine |
|
|
|
6 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
11 |
|
|
46.81728533665 |
-109.6718101575 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone, grayish orange |
very fine |
|
|
|
22 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
11 |
|
|
46.81728533665 |
-109.6718101575 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone, grayish orange, quartzose, scattered limonite stains |
|
|
|
|
3 |
maybe |
Jsw |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
14 |
|
sec. 11 and 14, T. 12 N., R. 16 E. |
46.8026769237 |
-109.671691582 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, brown, glauconitic |
fine |
|
|
|
75 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
14 |
|
|
46.8026769237 |
-109.671691582 |
TRS-SEC |
NAD83 |
428 |
|
Sanstone, yellowish orange, thin bedded |
fine |
|
|
|
9 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
14 |
|
|
46.8026769237 |
-109.671691582 |
TRS-SEC |
NAD83 |
428 |
|
Sandstone, grayish orange |
very fine |
|
|
|
6 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
14 |
|
|
46.8026769237 |
-109.671691582 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone, grayish orange |
very fine |
|
|
|
22 |
no |
*Mt |
9] Ellis group, Amsden Formation, Otter formation, on East Buffalo Creek |
12N |
16E |
14 |
|
|
46.8026769237 |
-109.671691582 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone, grayish orange, quartzose, scattered limonite stains |
|
|
|
|
3 |
maybe |
*Mt |
10] Upper part of the Otter formation and the Amsden formation, exposed on Antelope Creek |
12N |
16E |
9 |
|
sec. 9 and 16., T. 12 N., R. 16 E. |
46.817386055 |
-109.7140270435 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone, brown and yellow, cross bedded and partly covered |
medium |
friable |
|
|
70 |
yes |
*Mt |
10] Upper part of the Otter formation and the Amsden formation, exposed on Antelope Creek |
12N |
16E |
9 |
|
|
46.817386055 |
-109.7140270435 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone and conglomerate, red, partly covered |
|
|
|
|
110 |
no |
*Mt |
10] Upper part of the Otter formation and the Amsden formation, exposed on Antelope Creek |
12N |
16E |
16 |
|
sec. 9 and 16., T. 12 N., R. 16 E. |
46.80266155825 |
-109.7139708795 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone, brown and yellow, cross bedded and partly covered |
medium |
friable |
|
|
70 |
yes |
*Mt |
10] Upper part of the Otter formation and the Amsden formation, exposed on Antelope Creek |
12N |
16E |
16 |
|
|
46.80266155825 |
-109.7139708795 |
TRS-SEC |
NAD83 |
429 |
|
Sandstone and conglomerate, red, partly covered |
|
|
|
|
110 |
no |
Jsw |
11] Ellis group and the upper part of the Amsden formation on a branch of Wait Creek |
13N |
12E |
1 |
|
sec. 1, T. 13 N., R. 12 E. |
46.9169338291 |
-110.1451973035 |
TRS-SEC |
NAD83 |
433 |
|
sandstone, brown unfossiliferous |
medium |
|
|
|
15 |
maybe |
Jsw |
11] Ellis group and the upper part of the Amsden formation on a branch of Wait Creek |
13N |
12E |
1 |
|
|
46.9169338291 |
-110.1451973035 |
TRS-SEC |
NAD83 |
433 |
|
sandstone, gray, cross bedded glauconitic, contains chert pebbles and oyster shells |
medium - coarse |
|
|
|
20 |
no |
Jsw |
11] Ellis group and the upper part of the Amsden formation on a branch of Wait Creek |
13N |
12E |
1 |
|
|
46.9169338291 |
-110.1451973035 |
TRS-SEC |
NAD83 |
433 |
|
sandstone, brown, thin bedded, glauconitic |
fine-medium |
|
|
|
23 |
maybe |
*Mt |
11] Ellis group and the upper part of the Amsden formation on a branch of Wait Creek |
13N |
12E |
1 |
|
|
46.9169338291 |
-110.1451973035 |
TRS-SEC |
NAD83 |
434 |
|
sandstone, white |
fine |
friable |
|
|
3 |
yes |
*Mt |
11] Ellis group and the upper part of the Amsden formation on a branch of Wait Creek |
13N |
12E |
1 |
|
|
46.9169338291 |
-110.1451973035 |
TRS-SEC |
NAD83 |
434 |
|
sandstone, white, bedded, |
fine |
friable |
|
|
18 |
yes |
*Mt |
11] Ellis group and the upper part of the Amsden formation on a branch of Wait Creek |
13N |
12E |
1 |
|
|
46.9169338291 |
-110.1451973035 |
TRS-SEC |
NAD83 |
434 |
|
Sandstone, white, only top exposed. |
fine |
friable |
|
|
|
maybe |
Ke |
19]Eagle Sandstone on the West side of the Judith river |
18N |
16E |
6 |
|
sec. 6, T. 18 N., R. 16 E. |
47.35234916135 |
-109.734585791 |
TRS-SEC |
NAD83 |
447 |
|
Sandstone, brown and white, massive |
|
friable |
|
|
55 |
yes |
Ke |
19]Eagle Sandstone on the West side of the Judith river |
18N |
16E |
6 |
|
|
47.35234916135 |
-109.734585791 |
TRS-SEC |
NAD83 |
447 |
|
Sandstone, brown and white, upper part forms massive white cliff |
|
|
|
|
55 |
yes |
Ke |
19]Eagle Sandstone on the West side of the Judith river |
18N |
16E |
6 |
|
|
47.35234916135 |
-109.734585791 |
TRS-SEC |
NAD83 |
447 |
|
Sandstone, brown and white, contains few black chert grains in addition to quartz and forms cliffs |
fine- medium |
friable |
|
|
|
maybe |