|
| Unit No. |
Description |
Thickness |
|
19
|
Wreford Limestone
|
?
|
|
18
|
Shale, covered
|
?
|
|
17
|
Limestone, coquinoid, mostly with fragmentary fossils Juresania, bryozoa, Aviculopeten; Pinna, and Allorisma in natural position. Thamniscus at top
|
2 ft.
|
|
16
|
Covered, mostly shale
|
10 ft.
|
|
15
|
Shale, dark bluish-gray, clayey, crumbly, with small calcareous geodes
|
2 ft.
|
|
14
|
Limestone, platy, with algae incrusted flat pelecypods ("dimes") in topmost part
|
2.5 ft.
|
|
13
|
Shale, calcareous, with "dimes"
|
0.5 ft.
|
|
12
|
Limestone, with Pseudomonotis, Aviculopecten and Myalina encrusted by algae deposit. Lower 0.5 ft. platy, with small pebbles also encrusted
|
1 ft.
|
|
11
|
Shale, soft, green, with soft calcareous concretions in the middle part
|
7 ft.
|
|
10
|
Shale, maroon
|
0.5 ft.
|
|
9
|
Shale, bluish-green and purple
|
0.5 ft.
|
|
8
|
Shale, calcareous, yellowish green with veinlets of CaCO3 nodular at top; soft maroon spots
|
2 ft.
|
|
7
|
Shale, soft, green
|
4 ft.
|
|
6
|
Slate light gray to greenish at top, somewhat sandy (fine) and calcareous. On top with small pelecypods and few poor green (colored) algae
|
2 ft.
|
|
5
|
Same rock, marl splittery
|
1 ft.
|
|
4
|
Same rock, more massive
|
1 ft.
|
|
3
|
Same rock, marl splittery, with small pelecypods in upper part
|
2.5 ft.
|
|
2
|
Slate, nearly black
|
0.5 ft.
|
|
1
|
Limestone, coquinoid, massive, with small pelecypods and gastropods
|
1 ft.
|
|
