Unit No. |
Description |
Thickness |
1
|
Limestone - white; finely porous; cherty fossil fragments
|
4 ft.
|
2
|
Limestone - white; finely porous; cherty zone near base; fossil fragments; lwer 0.5 ft. has fusulines and brachiopods
|
2.6 ft.
|
3
|
Shale - buff grading downward to green at base; upper 0.5 ft. of buff shale has Chonetes, crinoids, Derbya; thin-bedded
|
7.5 ft.
|
4
|
Shale - red; blocky
|
1.35 ft.
|
5
|
Covered
|
10.05 ft.
|
6
|
Limestone - light gray; weathers brown; fine even-grained; somewhat platy
|
0.8 ft.
|
7
|
Covered - (including unit 6)
|
1.75 ft.
|
8
|
Limestone - mottled gray; slabby; finely silty or sandy
|
0.5 ft.
|
9
|
Covered - (including unit 8)
|
0.9 ft.
|
10
|
Limestone - gray; partly crystalline; weathers gray; clams and high-spired snails, fossil fragments; clams weather rusty
|
1.1 ft.
|
11
|
Limestone - gray, stained rusty by included high snails and clams which are abundant
|
0.8 ft.
|
12
|
Covered
|
1.6 ft.
|
13
|
Shale - brown; blocky; clayey
|
2.0 ft.
|
14
|
Covered
|
1.05 ft.
|
15
|
Shale - brown to buff; thin-bedded
|
2.9 ft.
|
16
|
Limestone - buff to gray; partly crystalline fossils; shaly; has Derbya, clams, fossil fragments in upper 0.2 ft.; lower part is gray and buff; has fine-grained limestone pebbles throughout; snails and fossil fragments
|
0.6 ft.
|
17
|
Shale - buff to olive; platy to blocky; upper 0.2 ft. is harder, lower part more clayey
|
10.85 ft.
|
18
|
Limestone - gray; hard; dense
|
0.1 ft.
|
19
|
Shale - buff
|
0.6 ft.
|
20
|
Limestone - gray; dense crystalline; full of crystalline shells; high snails and a few pebbles of light gray dense limestone; clam crust on top
|
1 ft.
|
21
|
Covered
|
2.65 ft.
|
22
|
Shale - red; blocky; clayey
|
1.85 ft.
|
23
|
Covered
|
0.1 ft.
|
24
|
Shale - green; clayey (including unit 23)
|
2.75 ft.
|
25
|
Limestone - dark buff; wormeaten; impure
|
0.9 ft.
|
26
|
Limestone - greenish-yellow; with dendrites
|
0.5 ft.
|
27
|
Shale - buff; thin-bedded
|
1.65 ft.
|
28
|
Shale - buff and graymottled; platy
|
1.5 ft.
|
29
|
Limestone - buff to gray; silicified brachipods in top as a very thin crust; clams, snails and crystalline fragments which weather brown
|
1 ft.
|
30
|
Limestone - buff to gray; profuse high-spired snails, also clams, Derbya
|
0.9 ft.
|