Unit No. |
Description |
Thickness |
1
|
Limestone - white, finely porous. somehwat chalky with fossil fragments; small crinoids; weathers with grey pitted surface
|
1.9 ft.
|
2
|
Chert - steel gray; odd shapes in limestone fossil fragments
|
0.7 ft.
|
3
|
Chert - steel gray; odd shapes in limestone fossil fragments
|
0.5 ft.
|
4
|
Covered
|
4.15 ft.
|
5
|
Limestone - fine porous; white; chalky
|
1 ft.
|
6
|
Covered (includes 5)
|
2.95 ft.
|
7
|
Limestone - white; finely porous; chalky
|
1 ft.
|
8
|
Covered (includes 7)
|
19.25 ft.
|
9
|
Limestone - gray; hard, partly crystalline; high gastropods; brachiopods
|
0.7 ft.
|
10
|
Limestone - creamy; with limonitic fossil stains; some crystalline fossils , i.e. high gastropods and brachiopods
|
0.6 ft.
|
11
|
Limestone - gray; very few Osagia, not crystalline
|
0.6 ft.
|
12
|
Shale - light gray to cream
|
0.2 ft.
|
13
|
Covered (includes 12)
|
5.25 ft.
|
14
|
Limestone - very light cream; few high gastropods (few Osaiga?)
|
0.3 ft.
|
15
|
Limestone - light gray and buff; partly crystalline, few Osagia and fragments; somewhat thin bedded
|
0.3 ft.
|
16
|
Same as 15
|
0.9 ft.
|
17
|
Limestone - very light gray; one massive ledge; a few roundish brown spots scattered throughout. Has high gastropods, weathers gray in upper part, brown in lower part. Partly crystalline.
|
2.3 ft.
|
18
|
Shale - yellow
|
0.5 ft.
|
19
|
Covered (includes 18)
|
7.85 ft.
|
20
|
Shale - olive and green, grading downward to nodular buff
|
2.3 ft.
|
21
|
Covered
|
3.1 ft.
|
22
|
Limestone - medium gray; +/- earthy to dense; platy beds not all well exposed
|
3.10 ft.
|
23
|
Limestone - slightly yellowish-gray, weathers yellow and gray; many inclusions of quartz; thinner bedded in upper part; abundant small high spired gastropods, especially in upper part
|
2.15 ft.
|
24
|
Covered
|
5.35 ft.
|
25
|
Shale - deeply weathered; yellow
|
2.7 ft.
|
26
|
Shale - mottled gray; large Composita, bryozoans, Derbya Sp, Rhomboporoids, Fenestellids, harder; more limy in lower part
|
2 ft.
|
27
|
Limestone - medium Portland cement gray; small high spired gastropods abundant; Aviculopecten, Pseudomonotis (clams well seen on weathered surfaces
|
1 ft.
|
28
|
Shale - greenish
|
2.95 ft.
|
29
|
Shale - red at top, greenish gray in lower part
|
3.75 ft.
|
30
|
Covered
|
2.45 ft.
|
31
|
Limestone - slightly greenish gray, weathers brownish yellow; fine grained
|
1.7 ft.
|
32
|
Shale - greenish yellow; exposed
|
0.5 ft.
|
33
|
Covered
|
1.4 ft.
|
34
|
Limestone - gray, mottled; bryozoans and clams; slabby beds
|
2.45 ft.
|
35
|
Shale - yellow to green
|
5.95 ft.
|
36
|
Covered
|
0.85 ft.
|
37
|
Limestone - light gray; crystalline; few Derbya and crinoids; exposed
|
0.4 ft.
|
38
|
Covered
|
1.35 ft.
|
39
|
Shale - slightly greenish; thin, harder limy layer in upper part; Chonetes, Derbya, crinoid fragments, Rhomoporoids, bryozoans
|
0.4 ft.
|
40
|
Slabby limestone, or limy shale - gray; abundant fossils, large Composita sp, chonetes, crinoids fragmentes (more massive in lower 0.5 feet and containing chiefly fossil fragments); lower 0.5 feet weathers as limestone
|
1 ft.
|
41
|
Shale - gray; limy; brachiopods grades into limestone below
|
1.4 ft.
|
42
|
Limestone - impure gray limestone, weathers +/- as "box work"; exposed
|
0.5 ft.
|
43
|
Covered, except +/- 1 foot; greenish gray shale in lower part
|
8.75 ft.
|
44
|
Limestone - greenish gray; impure nodular; grades into green shale in lower 1/2
|
1.4 ft.
|
45
|
Limestone - brownish-gray, massive veinlets of greenish material
|
1.35 ft.
|
46
|
Limestone - yellow; softer than above
|
0.5 ft.
|
47
|
Limestone - yellow; impure; hard; exposed
|
0.75 ft.
|