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.
| 11. Sample log of test hole 11 at the NW cor. sec. 23, T. 33 S., R. 33 W., drilled by the State Geological Survey, 1942. Surface altitude, 2,816 feet. (Samples studied by James B. Cooper and Frank E. Byrne.) |
Thickness (feet) |
Depth (feet) |
| Quaternary--Recent |
 |
Dune sand |
|
|
Sand, fine, and silt; medium brown |
1 |
1 |
| Quaternary and Tertiary--Pleistocene and Pliocene |
|
|
Sand, fine to coarse, calcareous, gray red; contains silt |
5 |
6 |
|
|
Sand, fine to coarse, gray red; contains silt |
4 |
10 |
|
|
Sand, fine, to gravel, medium; contains brown silt |
12 |
22 |
|
|
Sand, silt, and clay; calcareous, gray red |
3 |
25 |
|
|
Sand, medium, to gravel, medium; brownish gray |
7 |
32 |
|
|
Clay at top to sand at base; calcareous, gray brown |
18 |
50 |
|
|
Sand, medium, to gravel, fine; brownish gray |
9 |
59 |
|
|
Silt and sand, calcareous, light brown gray; contains clay |
21 |
80 |
|
|
Caliche, dense, white |
5 |
85 |
|
|
Sand, fine, to gravel, medium; brownish gray; contains silt and clay |
5 |
90 |
|
|
Sand, fine, to gravel, medium; brownish gray |
30 |
120 |
|
|
Sand, fine, to gravel, medium; calcareous, brownish gray |
5 |
125 |
|
|
Sand and gravel, fine and medium, calcareous, tan gray |
4 |
129 |
|
|
Clay, sandy, yellow brown |
1 |
130 |
|
|
Sand, fine, to gravel, fine; grayish brown |
21 |
151 |
|
|
Sand, fine, to gravel, fine; lime-cemented, yellow gray |
6 |
157 |
|
|
Sand, fine, to gravel, fine; grayish brown |
13 |
170 |
|
|
Sand, fine, to gravel, fine; calcareous, tan gray |
10 |
180 |
|
|
Sand, fine, to gravel, medium; brown gray |
60 |
240 |
|
|
Sand and gravel interbedded with silt and clay; calcareous, pink and gray brown |
20 |
260 |
|
|
Sand, fine gravel, and silt; calcareous, pink and gray brown |
10 |
270 |
|
|
Sand, medium, to gravel, coarse; brown gray |
21 |
291 |
|
|
Sand, silt, and clay; calcareous, tan gray |
9 |
300 |
|
|
Sand, medium, to gravel, fine; grayish brown |
15 |
315 |
|
|
Sand and gravel, calcareous, brownish gray; contains silt and clay |
7 |
322 |
|
|
Sand, medium, to gravel, fine; grayish brown |
37 |
359 |
|
|
Sand, silt, and clay; calcareous, light yellowish brown; contains brown shale |
6 |
365 |
|
|
Gravel, medium, and sand, medium; brownish gray |
15 |
380 |
|
|
Clay, sand, and shale interbedded; calcareous, tan gray |
20 |
400 |
|
|
Shale, soft, buff gray, and clay, sandy, compact, tan gray |
10 |
410 |
|
|
Clay, sandy, greenish gray, interbedded with shale, compact, dark tan and gray |
50 |
460 |
|
|
Shale, compact, dark green gray and buff, interbedded with sandy clay |
10 |
470 |
|
|
Shale, compact, dark green gray and buff |
20 |
490 |
|
|
Shale, compact, dark green gray and gray |
10 |
500 |
|
|
Shale, compact, dark red brown; contains fine sandy clay; interbedded with green gray shale |
30 |
530 |
|
|
Shale, silty, compact, gray |
10 |
540 |
|
|
Shale, gray; interbedded with compact red shale |
20 |
560 |
|
|
Shale, gray and red; contains sandy clay |
10 |
570 |
|
|
Shale, dense, medium gray, and shale, silty, red |
20 |
590 |
|
|
Shale, calcareous, gray and red, and siltstone, compact, red |
10 |
600 |
|
|
Shale, silty, medium gray, and shale, red |
10 |
610 |
|
|
Shale, dense, dark gray |
20 |
630 |
|
|
Shale, silty, medium gray, and shale, red |
12 |
642 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Siltstone, red; contains calcareous gray sandstone |
8 |
650 |
|
|
Siltstone, red; contains large inclusions of medium-grained highly calcareous sandstone |
10 |
660 |
|
|
Siltstone, red, and shale, gray, dense |
10 |
670 |
| 12. Sample log of test hole 12 at the SW. cor. sec. 17, T. 33 S., R. 33 W., drilled by the State Geological Survey, 1942. Surface altitude, 2,862 feet. (Samples studied by James B. Cooper and Frank E. Byrne.) |
Thickness (feet) |
Depth (feet) |
| Quaternary--Recent |
|
Dune sand |
|
|
Sand, fine to coarse, brown; contains silt |
5 |
5 |
|
|
Sand, coarse to fine, reddish brown; contains silt |
5 |
10 |
| Quaternary and Tertiary--Pleistocene and Pliocene |
|
|
Sand, fine to coarse, reddish brown; contains silt and clay |
17 |
27 |
|
|
Silt and clay, calcareous, red gray |
13 |
40 |
|
|
Sand, coarse, to gravel, coarse; gray brown |
7 |
47 |
|
|
Silt, clay, and sand; calcareous, brown gray |
13 |
60 |
|
|
Caliche, light gray; contains fine sand |
10 |
70 |
|
|
Clay, brownish gray; calcareous; contains silt and sand |
10 |
80 |
|
|
Caliche, brownish gray; contains silt and clay |
10 |
90 |
|
|
Caliche, brownish gray; contains sand and silt |
10 |
100 |
|
|
Sand and gravel, fine; lime-cemented, brown gray |
10 |
110 |
|
|
Sand, coarse, to gravel, medium; light brown |
12 |
122 |
|
|
Gravel, fine and medium, and sand; lime-cemented, hard |
6 |
128 |
|
|
Sand, medium, to gravel, medium; light brown |
57 |
185 |
|
|
Sand, medium, to gravel, medium; lime-cemented, gray |
3 |
188 |
|
|
Sand, fine, to gravel, medium; calcareous, light brown |
22 |
210 |
|
|
Sand, coarse, silt, and clay; calcareous, tan and yellow tan |
10 |
220 |
|
|
Sand, medium, to gravel, coarse; brownish gray |
35 |
255 |
|
|
Sand and gravel, brownish gray, slightly calcareous; contains silt and clay |
5 |
260 |
|
|
Sand and gravel, brownish gray, calcareous |
20 |
280 |
|
|
Gravel, fine, to sand, medium; brownish gray; contains silt and clay |
10 |
290 |
|
|
Gravel, medium, to silt; highly calcareous, tan |
10 |
300 |
|
|
Gravel, medium, to sand, fine; brown gray |
40 |
340 |
|
|
Sand, coarse to fine, grayish brown, and gravel, fine; interbedded with compact gray, tan, and yellow-brown shale |
84 |
424 |
|
|
Shale, compact, dark yellowish gray, and clay, sandy |
6 |
430 |
|
|
Shale, sandy, dark gray |
10 |
440 |
|
|
Shale, silty, dark gray, and shale, sandy, soft, yellow gray |
20 |
460 |
|
|
Shale, dark gray |
10 |
470 |
|
|
Shale, sandy, gray, rusty, and dark gray |
10 |
480 |
|
|
Shale, sandy, soft, dark brown gray |
21.5 |
501.5 |
|
|
Shale, calcareous, hard, blue gray |
1.5 |
503 |
|
|
Shale, compact, brown gray, and shale, sandy, yellow brown |
7 |
510 |
|
|
Sand, coarse, brownish gray; contains gravel |
11 |
521 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, bright red; contains calcareous silt |
22 |
543 |
|
|
Shale, silty, calcareous, bright red; contains yellow-gray sandstone |
7 |
550 |
| 13. Sample log of test hole 13 at the NE cor. sec. 22, T. 33 S., R. 34 W., drilled by the State Geological Survey, 1942. Surface altitude, 2,888 feet. (Samples studied by James B. Cooper and Frank E. Byrne.) |
Thickness (feet) |
Depth (feet) |
| Quaternary--Recent |
|
Dune sand |
|
|
Sand, fine and medium, light brown; contains silt |
1.5 |
1.5 |
|
|
Sand, fine and medium, reddish brown; contains silt |
5.5 |
7 |
| Quaternary and Tertiary--Pleistocene and Pliocene |
|
|
Silt, clay, and sand; calcareous, brownish gray |
3 |
10 |
|
|
Sand, coarse, to silt; calcareous, gray brown |
13 |
23 |
|
|
Sand, silt, and clay; calcareous, reddish brown to dark gray |
7 |
30 |
|
|
Sand, silt, and clay; highly calcareous, tan gray |
6.5 |
36.5 |
|
|
Sand, coarse to fine, calcareous, brownish gray; contains caliche |
2.5 |
39 |
|
|
Silt, clay, and fine sand; calcareous, gray red |
6 |
45 |
|
|
Sand, fine to coarse, brownish gray; contains fine gravel |
11 |
56 |
|
|
Clay, silty, gray red |
3 |
59 |
|
|
Silt, clay, and sand; highly calcareous, tan to brown gray |
11 |
70 |
|
|
Clay, calcareous, tan to brownish gray; contains silt and fragments of caliche |
11 |
81 |
|
|
Caliche, sandy, tan to light gray; contains reddish-gray silt and clay |
9 |
90 |
|
|
Silt, sand, and gravel, fine to medium; highly calcareous, tan gray |
20 |
110 |
|
|
Sand and gravel, reddish gray; highly calcareous; contains sill and clay |
11 |
121 |
|
|
Caliche, hard, white to light brownish gray |
9 |
130 |
|
|
Sand, coarse, to gravel, medium; brownish gray |
9 |
139 |
|
|
Sand and gravel, consolidated, gray |
9.5 |
148.5 |
|
|
Gravel, fine to coarse, pink gray, slightly cemented; contains coarse sand |
1.5 |
150 |
|
|
Silt and sand, highly calcareous, buff gray; contains clay |
6 |
156 |
|
|
Sand, fine, and gravel; calcareous, light brownish gray |
4 |
160 |
|
|
Sand, coarse, and gravel, fine; light brownish gray; contains silt |
20 |
180 |
|
|
Silt, sand, and clay; calcareous, tan gray |
10 |
190 |
|
|
Sand, medium, to gravel, medium; grayish brown |
40 |
230 |
|
|
Sand and gravel; contains silt |
25 |
255 |
|
|
Shale, silty to fine sandy, slightly calcareous, compact, medium gray and yellow buff |
18 |
273 |
|
|
Shale, calcareous, compact, dark gray to yellow gray |
17 |
290 |
|
|
Sand, coarse, gray brown, and shale, calcareous, dark gray to yellow gray |
10 |
300 |
|
|
Sand, coarse to fine, gray brown; contains gray and buff shale |
10 |
310 |
|
|
Sand, fine to coarse, gray brown |
20 |
330 |
|
|
Sand, light brown, and shale, calcareous, compact, dark gray |
20 |
350 |
|
|
Sand, light brown, and shale, compact, gray |
10 |
360 |
|
|
Sand, light brown; interbedded with compact gray and pink shale |
60 |
420 |
|
|
Clay, sandy, and shale; varicolored; contains much sand from 480 to 500 feet |
80 |
500 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Siltstone, calcareous, pink to pinkish gray; contains red shale |
20 |
520 |
| 14. Sample log of test hole 14 at the SW corner sec. 16, T.33 S., R. 34 W., drilled by the State Geological Survey, 1942. Surface altitude, 2,904 feet. (Samples studied by James B. Cooper and Frank E.Byrne.) |
Thickness (feet) |
Depth (feet) |
| Quaternary--Recent |
|
Dune sand |
|
|
Sand and silt, brown |
5 |
5 |
| QUATERNARY AND TERTIARY--Pleistocene and Pliocene |
|
|
Silt and clay, calcareous, reddish gray; contains nodules of caliche |
5 |
10 |
|
|
Silt and clay, calcareous, gray |
11 |
21 |
|
|
Caliche, sandy, light brownish gray to white |
8 |
29 |
|
|
Caliche, fine sandy, grayish white |
2 |
31 |
|
|
Sand, medium, to gravel, coarse; brownish gray |
15 |
46 |
|
|
Silt and clay, calcareous, rusty gray; contains fine sand |
4 |
50 |
|
|
Silt to sand, medium; calcareous, light brownish gray; contains clay |
8 |
58 |
|
|
Sand, medium, to silt; calcareous, gray brown; contains gravel at base and fragments of caliche |
12 |
70 |
|
|
Silt, sand, and beds of caliche; light gray |
20 |
90 |
|
|
Caliche, sandy, tan gray |
20 |
110 |
|
|
Sand and silt; contains caliche |
37 |
147 |
|
|
Sand, fine, to gravel, fine; calcareous, brownish gray |
4 |
151 |
|
|
Gravel and sand, consolidated |
6 |
157 |
|
|
Gravel, coarse, to sand, fine; brown |
13 |
170 |
|
|
Sand, fine to coarse, light brown |
40 |
210 |
|
|
Sand and gravel, fine, light brown |
50 |
260 |
|
|
Gravel, fine to coarse; contains a little gray brown clay |
70 |
330 |
|
|
Sand and gravel, gray brown |
30 |
360 |
|
|
Sand, fine to coarse, light brownish gray |
23 |
383 |
|
|
Shale, compact, pink, and clay, sandy, white to gray |
7 |
390 |
|
|
Shale, sandy, compact, pink gray, tan, and gray green |
25 |
415 |
|
|
Sand and gravel, light brown |
27 |
442 |
|
|
Shale, compact, greenish gray, tan, and red |
8 |
450 |
|
|
Shale, in part sandy, compact, tan, gray, and red |
20 |
470 |
|
|
Shale, compact, varicolored |
26.5 |
496.5 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, brick red |
13.5 |
510 |
| 15. Sample log of test hole 15 at the SW corner sec. 18, T. 33 S., R. 34 W., drilled by the State Geological Survey, 1942. Surface altitude, 2,936 feet. (Samples studied by James B. Cooper and Frank E. Byrne.) |
Thickness (feet) |
Depth (feet) |
| Quaternary--Recent |
|
Dune sand |
|
|
Sand, fine to medium, brown; contains silt |
6 |
6 |
| Quaternary and Tertiary--Pleistocene and Pliocene |
|
|
Sand, silt, clay, and fine gravel; calcareous, pinkish gray |
4 |
10 |
|
|
Sand, fine to coarse, calcareous, gray brown, coarser toward base; contains fine gravel |
17 |
27 |
|
|
Clay, silt, and sand, coarse; calcareous, brown gray |
3 |
30 |
|
|
Sand, medium and coarse, brownish gray |
10 |
40 |
|
|
Sand, silt, clay, and fine gravel; calcareous, pink brown, becoming much coarser in basal part |
20 |
60 |
|
|
Gravel, coarse, to sand, coarse; gray brown |
10 |
70 |
|
|
Sand, fine, to gravel, medium, contains numerous fragments of caliche |
25 |
95 |
|
|
Gravel, medium, to sand, fine; lime-cemented |
5 |
100 |
|
|
Sand, silt, and clay; gray brown, highly calcareous; contains a little fine gravel |
10 |
110 |
|
|
Sand and some silt; lime-cemented, tan to pinkish gray |
30 |
140 |
|
|
Sand, coarse, to silt, gray brown |
10 |
150 |
|
|
Sand and some silt; lime-cemented, tan to pinkish gray |
10 |
160 |
|
|
Silt, sand, and clay; tan to pinkish gray |
10 |
170 |
|
|
Silt, clay, and some sand; gray brown, highly calcareous |
4 |
174 |
|
|
Sand, fine, to gravel, medium; calcareous, light brown |
16 |
190 |
|
|
Gravel, fine, and sand, coarse; light brown |
30 |
220 |
|
|
Sand, fine to coarse, light brown, slightly calcareous contains a little fine gravel |
20 |
240 |
|
|
Sand, coarse, and gravel, fine; light brown |
20 |
260 |
|
|
Sand, fine to coarse, slightly calcareous, tan gray; contains a little fine gravel |
10 |
270 |
|
|
Sand, fine to coarse, slightly calcareous, brownish gray |
20 |
290 |
|
|
Sand, coarse, and gravel, fine; brownish gray |
20 |
310 |
|
|
Sand and gravel, reddish gray |
10 |
320 |
|
|
Sand, fine to coarse, light brownish gray; contains a little gravel |
10 |
330 |
|
|
Sand and a little gravel, reddish gray |
10 |
340 |
|
|
Silt, clay, and sand; tan brown to yellow gray |
13 |
353 |
|
|
Sand, medium, to gravel, fine; light brownish gray |
27 |
380 |
|
|
Silt and clay; tan brown |
3 |
383 |
|
|
Sand, medium, to gravel, fine; light brownish gray |
7 |
390 |
|
|
Sand and gravel; contains small fragments of ironstone |
10 |
400 |
|
|
Sand, medium, and gravel, fine |
10 |
410 |
|
|
Sand, medium, to gravel, fine; light brownish gray |
46 |
456 |
|
|
Sand, compact, tan brown and red |
4 |
460 |
|
|
Sand and gravel, brownish gray |
20 |
480 |
|
|
Shale, compact, tan, brown, red, and gray green |
10 |
490 |
|
|
Sand and gravel, brownish gray |
20 |
510 |
|
|
Sand, light brown, and shale, red and brown; interbedded |
17 |
527 |
|
|
Shale, compact, hard, brown |
3 |
530 |
|
|
Sand, brownish gray, and shale, compact, brown and red; interbedded |
90 |
620 |
|
|
Shale, compact, tan brown |
78 |
698 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, silty, slightly calcareous, bright red |
22 |
720 |
| 16. Sample log of test hole 16 in the NE 1/4 SW 1/4 sec. 31,T.34 S., R.30 W., Meade County, drilled by the State Geological Survey, 1944. Surface altitude, 2,444 feet. (Samples studied by Oscar S. Fent and Thad G. McLaughlin.) |
Thickness (feet) |
Depth (feet) |
|
|
Silt, gray brown; contains sand and gravel |
3 |
3 |
|
|
Silt and clay, buff and greenish gray; contains sand and gravel |
2 |
5 |
| Tertiary--Pliocene |
|
Laverne formation |
|
|
Clay, light buff and light blue gray; contains crystalline gypsum |
5 |
10 |
|
|
Clay, light gray to light blue gray; contains fine to coarse sand at depth of 12 feet |
2.5 |
12.5 |
|
|
Caliche, hard, light gray to greenish gray; contains sand and clay |
13.5 |
26 |
|
|
Shale, thin-bedded, dark blue gray |
21 |
47 |
|
|
Caliche, light blue gray; contains sand, clay, and gravel |
19 |
66 |
|
|
Clay, silty, light blue gray |
14 |
80 |
|
|
Clay, in part silty, light gray; contains fine to medium sand and crystals of gypsum |
40 |
120 |
|
|
Clay, light gray; partly cemented by gypsum and contains many crystals of gypsum |
18 |
138 |
|
|
Caliche, hard, light gray; contains fine to coarse sand and crystals of gypsum |
12 |
150 |
|
|
Clay, silty, in part thin-bedded, gray; contains gypsum |
50 |
200 |
|
|
Clay, in part thin-bedded, light blue gray |
12 |
212 |
|
|
Sand, fine, to gravel, medium; contains yellow and white clay and limonite |
25 |
237 |
|
|
Clay, light tan; contains fine to coarse sand and a little caliche |
6 |
243 |
|
|
Silt, pink buff; contains fine to medium sand |
2 |
245 |
|
|
Clay, light tan; contains a little sand and gravel |
2 |
247 |
|
|
Sand, fine, to gravel, medium |
28 |
275 |
|
|
Silt, pink buff to yellow buff; contains sand and gravel |
4 |
279 |
|
|
Gravel, fine, and sand |
5 |
284 |
|
|
Silt, pink buff; contains fine to medium sand and zones of caliche |
12 |
296 |
|
|
Gravel, fine to medium, and sand; contains caliche and pink-buff silt in lower part |
10 |
306 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, brick red |
4 |
310 |
| 17. Sample log of test hole 17 in the SE 1/4 NE 1/4 sec. 33, T.34 S., R. 80 W., Meade County, drilled by the State Geological Survey, 1944. Surface altitude, 2,655 feet. (Samples studied by Oscar S. Fent and Thad G. Mclaughlin.) |
Thickness (feet) |
Depth (feet) |
|
|
Soil, silty, tan |
4.5 |
4.5 |
| Quaternary--Pleistocene |
|
Meade formation |
|
|
Silt, light gray to light brown; contains caliche and fine to coarse sand |
23.5 |
28 |
|
|
Silt, light buff, and caliche, buff; sandy |
5 |
33 |
|
|
Silt, clayey, light brown |
4 |
37 |
|
|
Sand, coarse to fine, and gravel, medium to fine |
3 |
40 |
|
|
Gravel, coarse, to sand, fine |
15 |
55 |
|
|
Silt, light gray; contains caliche |
3 |
58 |
|
|
Sand to gravel, coarse; contains caliche |
12 |
70 |
| Tertiary--Pliocene |
|
Rexroad (?) formation |
|
|
Silt, white and light buff; contains caliche and fine to coarse sand |
25 |
95 |
|
|
Silt, clayey, light brown and white |
15 |
110 |
|
|
Silt, clayey, gray brown to light brown; contains sand and fine gravel |
10 |
120 |
|
|
Gravel, fine to medium, sand, and silt, light brown and white; contains caliche |
7 |
127 |
|
|
Silt, clayey, dull yellow and light blue gray |
12 |
139 |
|
|
Sand, coarse to fine, and gravel, medium to fine; contains a little greenish-gray and buff silt |
61 |
200 |
|
|
Sand, coarse to fine, and gravel, fine |
30 |
230 |
|
|
Sand, coarse to fine, and silt, light greenish gray |
22 |
252 |
|
Laverne formation |
|
|
Silt, soft, light gray to light tan; contains fine to medium sand |
8 |
260 |
|
|
Silt, clayey, light gray, light buff, and light blue gray |
20 |
280 |
|
|
Clay, thin-bedded, blue gray; contains fine sand |
20 |
300 |
|
|
Clay, light blue gray |
20 |
320 |
|
|
Clay, silty, blocky, dull greenish gray |
6 |
326 |
|
|
Silt and clay, brittle, gray |
4 |
330 |
|
|
Silt and clay, gray and blue gray; contains very fine sand |
23 |
353 |
|
|
Silt, green; contains fine to very fine sand |
7 |
360 |
|
|
Clay, silty, light green gray and blue gray |
10 |
370 |
|
|
Clay, soft, light gray |
50 |
420 |
|
|
Clay, soft, light gray; contains thin beds of caliche and a little sand |
25 |
445 |
|
|
Sand, coarse to fine, and gravel, fine |
47 |
492 |
|
|
Clay, silty, white to pink buff |
5 |
497 |
|
|
Sand, coarse to fine; contains white and buff silt |
23 |
520 |
|
|
Sand, coarse to fine, and gravel, fine |
80 |
600 |
|
|
Sand, coarse to fine, and gravel, fine; in part cemented; contains light-buff and pink silt in lower part |
14 |
614 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, silty, dull red |
11 |
625 |
| 18. Sample log of test hole 18 in the SW 1/4 NW 1/4 sec. 13, T. 34 S., R. 31 W., drilled by the State Geological Survey, 1944. Surface altitude, 2,594 feet. (Samples studied by Oscar S. Fent and Thad G. McLaughlin.) |
Thickness (feet) |
Depth (feet) |
|
|
Sand and silt, gray brown |
2 |
2 |
| Tertiary--Pliocene |
|
Laverne formation |
|
|
Clay, blocky, gray green |
2 |
4 |
|
|
Sand and gravel, coarse to fine, in part cemented |
5 |
9 |
|
|
Clay, yellow buff |
4 |
13 |
|
|
Sand, fine, to gravel, medium; in part cemented |
4 |
17 |
|
|
Clay, yellow buff and light blue gray; contains a little caliche |
13 |
30 |
|
|
Gravel, fine, and sand; contains blue-gray clay |
6 |
36 |
|
|
Clay, light blue gray; contains silt in upper part, sand in the middle, and caliche at base |
8 |
44 |
|
|
Silt, micaceous, soft, brown |
3 |
47 |
|
|
Clay, compact, blue gray |
3 |
50 |
|
|
Silt, brownish gray; contains fine to coarse sand |
3 |
53 |
|
|
Clay, green gray, blue gray, and yellow buff; contains sand in upper part |
25 |
78 |
|
|
Silt, clayey, yellow gray; contains sand and gravel |
8 |
86 |
|
|
Gravel, fine to medium, and sand |
4 |
90 |
|
|
Sand, coarse to fine, and gravel, medium to fine; contains yellow silt in upper part |
10 |
100 |
|
|
Gravel, coarse to fine, and sand |
58 |
158 |
|
|
Silt, yellow brown; contains fine to medium sand |
2 |
160 |
|
|
Gravel, medium to fine, and sand |
17 |
177 |
|
|
Clay, light gray |
3 |
180 |
|
|
Silt, micaceous, yellow |
2 |
182 |
|
|
Clay, yellow buff |
5 |
187 |
|
|
Gravel, medium to fine, and sand; contains yellow-gray silt |
8 |
195 |
|
|
Silt, buff; contains fine to medium sand |
2 |
197 |
|
|
Gravel, medium to fine, and sand |
3 |
200 |
|
|
Silt, micaceous, yellow gray to yellow |
6 |
206 |
|
|
Clay, blue gray |
14 |
220 |
|
|
Clay, silty, light blue gray and yellow gray; contains fine to medium sand |
5 |
225 |
|
|
Gravel, fine, and sand |
6 |
231 |
|
|
Silt, buff; contains fine to coarse sand |
3 |
234 |
|
|
Gravel, fine, and sand |
2 |
236 |
|
|
Silt, buff; contains fine to coarse sand |
1 |
237 |
|
|
Gravel, fine, and sand |
8 |
245 |
|
|
Silt, buff; contains fine to coarse sand |
1 |
246 |
|
|
Gravel, fine, and sand; contains yellow-gray and buff silt in lower part |
24 |
270 |
|
|
Caliche, hard, white and pink; contains fine to medium sand |
3 |
273 |
|
|
Silt, yellow gray; contains fine to coarse sand |
2 |
275 |
|
|
Gravel, fine to medium, and sand |
15 |
290 |
|
|
Gravel, medium to fine, and sand; contains a few thin beds of light-gray, yellow-gray, and pink-buff silt |
100 |
390 |
|
|
Sand, coarse to fine, and gravel, medium to fine; contains pink-buff silt in lower part |
30 |
420 |
|
|
Gravel, medium to fine, and sand |
12 |
432 |
|
|
Silt, white to light brown and gray green; contains fine to coarse sand |
32 |
464 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, brick red and white |
16 |
480 |
| 19. Sample log of test hole 19 in the SW 1/4 SW 1/4 sec. 13, T.34 S.R. 31 W., drilled by the State Geological Survey, 1944. Surface altitude, 2,611 feet. (Samples studied by Oscar S. Fent and Thad G. McLaughlin.) |
Thickness (feet) |
Depth (feet) |
| Quaternary--Pleistocene |
|
Meade formation |
|
|
Sand, coarse to fine, and gravel, medium to fine; contains brown silt |
3 |
3 |
|
|
Sand, coarse to fine, and gravel, medium to fine; cemented with calcium carbonate to form "mortar beds" |
4 |
7 |
| Tertiary--Pliocene |
|
Rexroad (?) and Laverne formations |
|
|
Clay, light gray, contains a little coarse to fine sand |
4 |
11 |
|
|
Sand, coarse to fine, and silt, clayey, light greenish gray and pink buff; contains fine to medium gravel |
7 |
18 |
|
|
Gravel, fine, and sand |
8 |
26 |
|
|
Sand, medium to fine, consolidated |
4 |
30 |
|
|
Sand, coarse to fine, and gravel, medium to fine; contains light-brown silt and gray-green clay |
53 |
83 |
|
|
Caliche, gray white; contains fine to medium sand |
1 |
84 |
|
|
Sand, coarse to fine, and gravel, medium to fine |
26 |
110 |
|
|
Gravel, medium to fine, and sand |
63 |
173 |
|
|
Caliche, hard, white; contains fine to medium sand |
1 |
174 |
|
|
Gravel, fine, and sand; contains gray-green and yellow clay |
6 |
180 |
|
|
Gravel, fine, and sand; in part cemented; contains blue-gray and light gray-green clay in lower part |
20 |
200 |
|
|
Sand, coarse to fine, and gravel, fine |
63 |
263 |
|
|
Silt, soft, light yellow buff and light gray |
5 |
268 |
|
|
Sand, coarse to fine, and gravel, fine |
30 |
298 |
|
|
Clay, soft, buff; contains fine to coarse sand |
7 |
305 |
|
|
Gravel, fine, and sand |
135 |
440 |
|
|
Clay, light yellow brown, light greenish gray, light pink buff, and brown; contains fine to medium sand |
28 |
468 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, dull red |
12 |
480 |
| 20. Sample log of test hole 20 in the NE 1/4 SW 1/4 sec. 24, T.34 S., R.31 W., drilled by the State Geological Survey, 1944. Surface altitude, 2,520± feet. (Samples studied by Oscar S. Fent and Thad G. McLaughlin.) |
Thickness (feet) |
Depth (feet) |
|
|
Soil, gray brown |
1 |
1 |
| Tertiary--Pliocene |
|
Laverne formation |
|
|
Clay, blocky, gray green |
2 |
3 |
|
|
Limestone, hard, light gray; contains fine to coarse sand |
1 |
4 |
|
|
Marl, porous, yellow to gray white |
14 |
18 |
|
|
Clay, light gray green |
8 |
26 |
|
|
Gravel, fine to medium, and sand; cemented by limonite |
4 |
30 |
|
|
Sand, coarse to fine, and gravel, medium to fine |
13 |
43 |
|
|
Clay, light gray green |
3 |
46 |
|
|
Limestone, hard, light gray |
1 |
47 |
|
|
Silt and clay, thin-bedded, in part cemented, gray and brown |
11 |
58 |
|
|
Gravel, coarse, to sand, fine, yellow |
46 |
104 |
|
|
Clay, silty, light gray green and light brown |
2 |
106 |
|
|
Gravel, medium to fine, and sand |
32 |
138 |
|
|
Clay, partly cemented, white |
1 |
139 |
|
|
Marl, hard, yellow to gray white; contains fine to coarse sand and fine gravel |
11 |
150 |
|
|
Silt, thin-bedded, blue gray and green gray, contains fine sand |
47 |
197 |
|
|
Shale, laminated, gray to green gray; contains blue-gray silty clay |
9 |
206 |
|
|
Sand, medium to fine |
3 |
209 |
|
|
Clay, blue gray |
9 |
218 |
|
|
Gravel, medium to fine, and sand; contains light-gray clay, and light-gray and pink-buff silt |
22 |
240 |
|
|
Gravel, medium to fine, and sand |
110 |
350 |
|
|
Gravel, medium to fine, and sand; contains dark-buff silt |
25 |
375 |
|
|
Silt, pink buff to reddish buff; contains fine to medium sand |
48 |
423 |
| Permian--Guadalupian |
|
Redbeds |
|
|
Shale, brick red |
7 |
430 |
