|
Unit No. |
Description |
Thickness |
14
|
Base of Americus? Poorly exposed
|
|
13
|
Concealed
|
40 +/- ft.
|
12
|
Laminated limestone and boxwork
|
2.0 ft.
|
11a
|
Concealed
|
2.0 ft.
|
11
|
Shale, red
|
2.0 ft.
|
10a
|
Concealed
|
3.0 ft.
|
10
|
Boxwork
|
1.0 ft.
|
9a
|
Sandstone, shale
|
15.0 ft.
|
9
|
Concealed
|
10.0 ft.
|
8
|
Limestone, light buff, gray or cream, in part massive, in part thinly laminated, argillaceous, no fossils
|
4.0-25.9 ft.
|
7
|
Limestone and shale, medium light green becoming buff-brown at top. Lower 0.4' consists of medium green massive, argillaceous, fossiliferous limestone; weathers out in large rounded masses; middle 1.8' medium to light gray, thickly laminated, calcareous marine shale passing with nearly uniform increase in lime to upper limy part of unit... [See archive file for complete description]
|
3.9 ft.
|
6
|
Medium gray, thinly laminated, clay shale with some plant remains. A 2-3" layer of coal 3.0' from base. A layer of olive-green clay 0.4' from top 0.2' thick. The bed below the coal seems to be an underclay
|
3.7 ft.
|
5
|
Limestone, medium to light green, dense, massive, somewhat argillaceous contains normal marine fauna and a few pelecypods and algae material (?) crinoid columns (a)
|
0.9 ft.
|
4
|
Shale, thinly laminated, mustard yellow to lead gray in lower 6' becoming medium to dark gray at top, shale is silty and very micaceous layers of a light gray-yellow, fine grained sandstone micaceous 6-8" thick at 2.4', 3.5', and 6.5' above base... [See archive file for complete description]
|
8.8 ft.
|
3
|
Shale, light green-gray, weather light buff, thinly laminated, more indurated at base, softer toward top. Nodules of impure argillaceous limestone occur 11 to bedding in upper 2'. The upper 1.0' is darker green
|
4.0-4.5 ft.
|
2
|
Limestone, light gray-buff, thinly bedded, very argillaceous with interbedded celestite, some coarsely and talline, pink; some dark gray, finely and talline
|
0.3-0.5 ft.
|
1
|
Shale, black, thin laminated calcareous and carbonaceous, somewhat indurated in part; no fossils seen
|
0.2 ft.
|
|