|
Unit No. |
Description |
Thickness |
1
|
Limestone, hard, dense, robust fusulinids (not quite to top), brachiopod fragments, Syringopora Dioherm, Osagia, and Marksia?
|
2.8 ft.
|
2
|
Shale, greenish to gray
|
1.5 ft.
|
3
|
Limestone, flaky, Osagia?, fine shells
|
0.2 - 0.3 ft.
|
4
|
Shale, greenish gray
|
0.4 ft.
|
5
|
Limestone, hard, vertically jointed, light gray, gastropods, crinoid stems, fusulinids (sparse), brachiopods, and Marksia
|
1.2 ft.
|
6
|
Shale, covered
|
2.2 ft.
|
7
|
Limestone, orange, marly, brown calcite veinlets
|
0.4 ft.
|
8
|
Shale, light tan to olive gray, Chonetes, Marginifera, crinoid stems, unfossiliferouslls (1/2) in upper part
|
11 ft.
|
9
|
Limestone, hard blocky, light tan gray; gastropod, productid spines, crinoid stems, Juresania?, Marksia, sparse fusulines througout, Derbyia, white spots Syringopora
|
3.4 ft.
|
10
|
Shale, light gray to tan, Myalina, Astartella, Chonetes and ramose bryozoans, partly covered, probably contains Big Spring Limestone
|
5.3 ft.
|
11
|
Limestone, light reddish brown, very fossiliferous, Derbiya, Myalina, crinoid stems, ramose bryozoan, productid spines, Linoproductus, algal?
|
|
12
|
Shale, light olive gray, not fissile with ironstone concretions
|
2 ft.
|
13
|
Shale, very fine grained, gray to tan, unfossiliferous, poorly bedded, slightly calcareous
|
1.5 ft.
|
14
|
Shale, slity, light olive gray, unfossiliferous
|
1 ft.
|
15
|
Covered interval
|
55 ft.
|
16
|
Sandstone, hard, jointed, very fine grained, micaceous, calcareous, ripple marked, swirly bedded, unfossiliferous
|
0.8 ft.
|
|