|
Unit No. |
Description |
Thickness |
16
|
Limestone, massive, bedded, cavernous; small molluscs chiefly gastropods (sample); upper surface
|
4 ft.
|
15
|
Limestone, flaggy
|
3 ft.
|
14
|
Limestone, platy
|
4 ft.
|
13
|
Limestone, solid, very resistant, tough, fine-grained bedded. On top numerous remains of very small pelecypods (?) and small crinoid joints. Basal 1 ft. with Aviculopeten and Pleurophorus (sample)
|
2 ft.
|
12
|
Limestone, flaggy; Pinna in separate horizontally flattened valves
|
2 ft.
|
11
|
Limestone, solid, with vertical veins
|
1.5 ft.
|
10
|
Limestone, flaggy, stilolites at the base
|
3 ft.
|
9
|
Limestone, massive, light gray, "worm-eaten", full of poor fragmentary fossils
|
4.5 ft.
|
8
|
Limestone, flaggy, somewhat xbedded. In topmost 0.5 ft. numerous Echinoid spines, Ambocoelia and Phipidomella? (small). In topmost 1 ft. Pinna in horizontal flattened valves. In the basal 1.2 ft. various bryozoa and Derbya Crassa. Throughout section Bryozoa, crinoid and echinoid remains Dictyoclosta
|
3 ft.
|
7
|
Shale, calcareous. In the topmost 1 ft. tooth of a fish, var bryozoa, Meekella, Schizodus, Astartella, Enteletes, Pinna (flat), Allorisma in natural position, Aviculopecten, and Derbya. In middle 2 ft. (Con't-->)
|
6.5 ft.
|
|
Schizodus, Ambocoelia, Myalina, Rhipidomella (?). Throughout section Dictyoclostus in natural position, Derbya crassa and flattened worm borings (?). In lower 2 ft. Meekella and Composita (?)
|
|
6
|
Limestone, massive, with crinoid joints, echinoid spines, Dictyoclostus. On top Allorisma
|
1.5 ft.
|
5
|
Shale, gray, calcareous, with bryozoa, Dictyoclostus and Meekella (?)
|
1 ft.
|
|
Florence Limestone
|
|
4
|
Limestone, massive
|
1.3 ft.
|
3
|
Limestone with two flint bands, the upper one smaller
|
1.4 ft.
|
2
|
Covered
|
3.5 ft.
|
1
|
Limestone, massive
|
0.5 ft.
|
|
Bottom of trench.
|
|
|