Unit No. |
Description |
Thickness |
72
|
Concealed to top of hill, a few feet
|
|
71
|
Light gray to white, thin bedded limestone, interbedded white chert, Bryozoa, echinoids, crinoids, brachipods
|
3 ft.
|
70
|
Concealed except for 1 foot, olive green fissile shale, calcareous just beneath above unit. Normal marine fauna.
|
11.5 ft.
|
69
|
Light bluish-gray, tough, dense limestone, with small clams
|
1 ft.
|
68
|
Concealed
|
4.5 ft.
|
67
|
Dove gray dense massive limestone, weathers rust brown, 4th ledge above Cottonwood
|
1 ft.
|
66
|
Concealed with a few loose slabs of light gray limestone, about 10 feet below top of following unit
|
13.8 ft.
|
65
|
Olive brown limestone, coarsely crystalline; algal, w. bron
|
1 ft.
|
64
|
Concealed
|
1.8 ft.
|
63
|
Light buff gray, thin bedded molluscan limestone, 2nd bench above Cottonwood
|
2 ft.
|
62
|
Concealed: some small pieces of limestone 5 feet below next limestone
|
27.5 ft.
|
61
|
Light gray, massive, dense, pitted limestone, sugary texture
|
1 ft.
|
60
|
Concealed
|
19.26 ft.
|
59
|
Light gray, massive porous fusulinid limestone, Cottonwood
|
3 ft.
|
58
|
Much concealed, but pea-green and pink fissile calcaerous shale intermittently exposed. A light gray limestone makes bench in road 8 feet above main ledge Neva and may represent U. Neva
|
24.06 ft.
|
57
|
Pea green fissile calcaerous shale, brachiopods, bryozoa, echinoids
|
3 ft.
|
56
|
Light gray, tough, nodular limestone, having brecciated appearace on weathered surface
|
3 ft.
|
55
|
Light buff-green medium bedded proous limestone, crinoids, echinoids, brachiopods, plano-spiral snails
|
1 ft.
|
54
|
Buff-gray thin bed limestone, with soft clay in middle brachiopods, crinoids, echinoids, fusulines
|
1 ft.
|
53
|
Light gray, argillaceous limestone, marine fossils
|
0.2 ft.
|
52
|
Drab, gray, thinly laminated calcareous shale with marine fossils
|
0.3 ft.
|
50
|
Grayish brown, soft, calcareous, shale with orbiculoidea
|
0.7 ft.
|
49
|
Light gray, hard, thick bedded, finely crystalline limestone, in 2 layers, brachipods, echinoids, crinoids algae?
|
1.9 ft.
|
48
|
Light gray, laminated packed limestone, secondary calcite, Boxwork of Condra and Busby
|
1.2 ft.
|
47
|
Olive-green fissile shale, weathers buff
|
3.6 ft.
|
46
|
Light gray to cream laminated limestone, edgewise congolmerate at base curdled appearace above
|
2 ft.
|
45
|
Cream colored punky marl
|
0.3 ft.
|
44
|
Light gray platy limestone, with some pelecypods, Pectens, Top has clams, fish? and ostracoda
|
2.3 ft.
|
43
|
Light grayish buff pelecpod shale
|
0.5 ft.
|
42
|
Light gray massive pelecypod limestone
|
0.7 ft.
|
41
|
Light grayish buff argillaceous pelecypod limestone, with 0.2 feet soft papery shale in middle
|
0.8 ft.
|
40
|
Olive brown papery pelecypod shale
|
0.1 ft.
|
39
|
Dove gray pelecypod limestone, Aviculopecten and Myalina
|
0.3 ft.
|
38
|
Blue-gray shale and limestone
|
2 ft.
|