Listed in the following pages are the logs of 35 test holes and wells in Seward County, including 23 test holes drilled by the State Geological Survey. The locations of these test holes are shown in Plate 3.
21. Sample log of test hole 21 in the SW 1/4 NW 1/4 sec. 36, T. 34 S., R. 31 W., drilled by the State Geological Survey, 1940. Surface altitude, 2,585 feet. (Samples studied by James B. Cooper and Frank E. Byrne.) |
Thickness (feet) |
Depth (feet) |
|
|
Soil, fine sandy, brown; contains caliche |
2 |
2 |
Quaternary--Pleistocene |
|
Meade formation |
|
|
Sand, medium, to gravel, coarse; brown |
3 |
5 |
|
|
Sand, medium, to gravel, coarse; consolidated |
1.5 |
6.5 |
Tertiary--Pliocene |
|
|
Sand, fine, calcareous, light gray |
1.5 |
8 |
|
|
Silt and fine sand, calcareous, pink tan |
5 |
13 |
|
|
Caliche, soft, white to light gray |
3.5 |
16.5 |
|
|
Caliche and clay, yellow |
2.5 |
19 |
|
|
Caliche, hard, light gray, white and yellow |
5 |
24 |
|
|
Sand, fine, calcareous, yellow orange |
3 |
27 |
|
|
Sand, fine, silt, and caliche; light gray |
3 |
30 |
|
|
Clay, silty to fine sandy, light gray |
1 |
31 |
|
|
Sand, medium, to gravel, fine; brown and orange |
16 |
47 |
|
|
Silt and fine sand, calcareous, gray orange and brown, |
3 |
50 |
|
|
Sand, fine and medium, brown |
24 |
74 |
|
|
Silt and fine sand, calcareous, light gray and orange |
2.5 |
76.5 |
|
|
Sand, fine and medium, brown |
6.5 |
83 |
|
|
Sand, fine and medium, brown and orange brown |
7 |
90 |
|
|
Sand, fine to coarse, brown; contains yellow silt and a little gravel |
30 |
120 |
|
|
Sand, medium, to gravel, fine; brown; contains caliche |
42 |
162 |
|
|
Clay, silty to fine sandy, light gray |
12 |
174 |
|
|
Clay, silty, blue gray, alternating with sand, fine and medium, gray |
7 |
181 |
|
|
Sandstone, soft, calcareous, buff |
10.5 |
191.5 |
|
|
Sand, fine and medium, buff to yellow brown |
12.5 |
204 |
|
|
Sand, medium, to gravel, medium; brown |
36 |
240 |
|
|
Sand, medium, to gravel, medium; orange brown |
15 |
255 |
|
|
Sand, medium, to gravel, medium; brown |
20 |
275 |
|
|
Clay, silty, light gray |
6 |
281 |
|
|
Sand, medium, to gravel, fine; brown |
9 |
290 |
|
|
Sand, medium and coarse, orange brown |
5 |
295 |
|
|
Sand, medium to coarse, and gravel; hard, brown |
46 |
341 |
|
|
Clay, fine sandy, highly calcareous; contains caliche |
2 |
343 |
|
|
Sand, medium, to gravel, medium; brown; contains siltstone |
7 |
350 |
|
|
Sand, medium, to gravel, fine; brown |
51 |
401 |
|
|
Clay, sand, and gravel; contains caliche at top and in lower half |
16 |
417 |
|
|
Sand, coarse, and gravel, fine; consolidated |
5 |
422 |
|
|
Gravel, fine and coarse, brown; contains silty blue-green clay |
24 |
446 |
|
|
Silt and sand, pink brown, interbedded with silty blue-green clay |
5 |
451 |
|
|
Sand and gravel, interbedded with blue-green clay |
16 |
467 |
|
|
Sand, fine, brown; contains silty blue-green shale and brown siltstone. Contains gravel in basal part |
33 |
500 |
Permian--Guadalupian |
|
Redbeds |
|
|
Shale, silty, light gray to red brown, and siltstone, red brown |
20 |
520 |
22. Sample log of test hole 22 at the SE cor. sec. 36, T. 34 S., R. 35 W., Stevens County, drilled by the State Geological Survey, 1943. Surface altitude, 2,950± feet. (Samples studied by Oscar S. Fent and Thad G. McLaughlin.) |
Thickness (feet) |
Depth (feet) |
Quaternary--Recent |
|
Dune sand |
|
|
Sand, medium to fine; contains soft gray to gray-black silt |
5 |
5 |
|
|
Sand, medium to fine, red |
9 |
14 |
Quaternary and Tertiary--Pleistocene and Pliocene |
|
|
Silt, soft, buff; contains medium to fine sand |
4 |
18 |
|
|
Silt, clayey, green; contains medium to fine sand |
5 |
23 |
|
|
Silt, soft, buff to white; contains medium to fine sand and caliche |
7 |
30 |
|
|
Sand, medium to fine, and silt, soft, buff |
4 |
34 |
|
|
Silt, soft, light gray; contains medium to fine sand |
4 |
38 |
|
|
Sand, coarse to fine |
22 |
60 |
|
|
Silt, soft, buff to gray white; contains medium to fine sand and caliche |
10 |
70 |
|
|
Silt, compact, light yellow tan; contains medium to fine sand and caliche |
20 |
90 |
|
|
Sand, coarse to fine; contains soft buff and white silt |
14 |
104 |
|
|
Silt, clayey, buff; contains coarse to fine sand and caliche |
2 |
106 |
|
|
Gravel and sand, coarse to fine |
29 |
135 |
|
|
Silt, soft, buff; contains medium to fine, sand and a little gravel |
10.5 |
145.5 |
|
|
Silt, compact, light tan; contains medium to fine sand and caliche |
14.5 |
160 |
|
|
Silt, soft, white and buff; contains coarse to fine sand and caliche |
30 |
190 |
|
|
Silt, clayey, buff and light tan; contains coarse to fine sand and caliche |
15 |
205 |
|
|
Silt, soft, gray and buff; contains fine to coarse sand, fine gravel, and caliche |
15.5 |
220.5 |
|
|
Gravel, fine, to sand, medium |
2.5 |
223 |
|
|
Silt, soft, light brown; contains medium to fine sand and caliche |
6 |
229 |
|
|
Sand to gravel, fine; contains caliche |
23 |
252 |
|
|
Silt, soft, tan; contains medium to fine sand and caliche |
28 |
280 |
|
|
Sand, coarse to fine |
20 |
300 |
|
|
Silt, soft, tan; contains fine sand and caliche |
4 |
304 |
|
|
Silt, soft, light greenish gray and brown, and sand, very fine |
6 |
310 |
|
|
Silt, soft, white to greenish gray and light gray buff; contains coarse to fine sand and a little caliche |
50 |
360 |
|
|
Silt, clayey, white to yellow and brown; contains dense blue-white caliche |
20 |
380 |
|
|
Silt, very soft, gray white and yellow brown, and sand, fine; contains hard white to yellow-brown sand-stone and concretions of hard brown siltstone |
50 |
430 |
|
|
Silt, very soft, gray white and yellow brown; contains concretions of sandy hard brown siltstone |
38 |
468 |
|
|
Gravel, fine, to sand, medium |
2 |
470 |
|
|
Silt, very soft, light buff to yellow brown and gray white; contains coarse to very fine sand |
100 |
570 |
|
|
Silt, soft, gray buff to blue gray, and sand, medium to fine; contains concretions of ironstone |
20 |
590 |
|
|
Silt, soft, light gray and yellow brown; contains medium to fine sand |
10 |
600 |
|
|
Silt, very soft, gray buff and yellow brown; contains coarse to fine sand and fine gravel |
20 |
620 |
|
|
Silt, soft, light gray buff; contains medium to fine sand |
60 |
680 |
|
|
Gravel, fine, to sand, medium |
8 |
688 |
Permian--Guadalupian |
|
Redbeds |
|
|
Silt, blocky, light orange red |
2 |
690 |
|
|
Silt, clayey, light orange red |
30 |
720 |
23. Sample log of test hole 23 at the NW cor. NE 1/4 sec. 13, T. 35 S., R. 31 W., drilled by the State Geological Survey, 1940. Surface altitude, 2,662 feet. (Samples studied by James B. Cooper and Frank E. Byrne.) |
Thickness (feet) |
Depth (feet) |
Quaternary--Recent |
|
Dune sand |
|
|
Sand, fine, brown |
7 |
7 |
Quaternary--Pleistocene |
|
Meade formation |
|
|
Sand, fine, pinkish tan |
4 |
11 |
|
|
Sand and gravel; fine to coarse |
8 |
19 |
|
|
Silt and sand, fine; calcareous, brown |
2 |
21 |
|
|
Caliche, gray to buff, basal part hard |
9 |
30 |
|
|
Caliche, hard, gray to white; contains fine quartz sand, |
10 |
40 |
|
|
Caliche and clay, tan; contains silt |
9 |
49 |
|
|
Silt and sand, fine; calcareous, brown; contains fine gravel |
3 |
52 |
|
|
Caliche, soft, and clay, silty and limy, tan |
5 |
57 |
|
|
Sand, fine, calcareous, brown to yellow brown; contains silt |
3 |
60 |
|
|
Silt and sand, fine; calcareous, brown |
6 |
66 |
|
|
Sand, medium, to gravel, coarse; brown |
3.5 |
69.5 |
|
|
Sand, medium, to gravel, fine; consolidated |
4.5 |
74 |
|
|
Sand, medium, to gravel, medium; brown |
6 |
80 |
|
|
Sand, coarse, consolidated |
2.5 |
82.5 |
Tertiary--Pliocene |
|
Rexroad (?) formation |
|
|
Clay, silt, and fine to medium sand; gray to brown; contains caliche |
17.5 |
100 |
|
|
Silt and sand, fine; calcareous, hard, gray |
5 |
105 |
|
|
Clay, silty to fine sandy, very calcareous, hard |
11 |
116 |
|
|
Caliche and clay, interbedded, brown to buff, contains silt and a little sand |
4.5 |
120.5 |
|
|
Sand, fine, brown, and silt; calcareous |
4.5 |
125 |
|
|
Clay, silty to fine sandy, calcareous, light gray |
5 |
130 |
|
|
Clay, silt, and sand, fine; interbedded, calcareous, light gray and brown |
7 |
137 |
|
|
Sand, fine to medium, calcareous, hard, brown |
9 |
146 |
|
|
Sand, fine, to gravel, medium; brown; contains clay in upper part |
10 |
156 |
|
|
Sand, fine, to gravel, medium; brown; contains caliche |
42 |
198 |
|
Laverne formation |
|
|
Clay, silty to fine sandy, calcareous, light gray |
4 |
202 |
|
|
Silt and sand, fine; light cream gray to brown and yellow; contains caliche |
6 |
208 |
|
|
Clay, silty, blue gray; contains caliche |
19 |
227 |
|
|
Sandstone, calcareous, fairly hard, blue gray; contains gypsum in lower part |
13 |
240 |
|
|
Shale, sandy clay, and sandstone; calcareous, blue gray |
10 |
250 |
|
|
Sand, fine, blue gray, and silt; contains thin beds of silty white limestone in lower part |
30 |
280 |
|
|
Silt, calcareous, blue gray, and sand, fine; contains thin beds of gypsum |
40 |
320 |
|
|
Shale, silty and fine sandy, blue gray; contains gypsum |
28 |
348 |
|
|
Shale, silty, earth brown, and shale, blue gray; interbedded; contains gypsum in basal part |
32 |
380 |
|
|
Gypsum, hard, and sandstone, dense, dark gray to black |
6 |
387 |
|
|
Shale, blue gray; contains thin layers of gypsum near base |
23 |
410 |
|
|
Shale, silty, and fine sandy, blue gray, and shale, hard, yellow green |
24 |
434 |
|
|
Sand, medium, and gravel, fine; partly cemented; brown |
142 |
576 |
Permian--Guadalupian |
|
Redbeds |
|
|
Siltstone, red |
14 |
590 |