|
| Unit No. |
Description |
Thickness |
|
8
|
Limestone - hard, very light gray (N8) with pinkish cast on fresh surfaces, weathers white (N9). WEathers to irregular vuggy surface and in basal 3 ft. weathers to brecciated appearances. Sparsely fossiliferous consisting predominantly Cryptozoan and brachiopod fragments and crinoid stems.
|
13.8 ft.
|
|
7
|
Covered interval - apparently shale
|
2 ft.
|
|
6
|
Limestone - hard, pale red (10R6/2) to grayish orange pink (10R8/2) fresh, yellowish gray (5Y8/1) weathered. An algae limestone made up almost entirely of Osagia but contains also a few brachiopod fragments
|
1.6 ft.
|
|
5
|
Covered interval - apparently gray to tan, unfossiliferous shale
|
14 ft.
|
|
4
|
Limestone - thin bedded, irregular bedded very shaly and impure, very fossiliferous, medium light gray (N6) fresh, pale yellowish orange (10YR8/6) to pale yellowish brown (10YR6/2) weathered. Contains abundant crinoid stems, Girtyocoelia, Heliospongia, Juresania, fenestrate bryozoan, Cryptozoan common locally in upper half
|
84 ft.
|
|
3
|
Shale - very fossiliferous, slightly silty, light olive gray (5Y5/2) to olive gray (5Y3/2). contains abundant Girtyocoelia, crinoid stems and heads, large Heliospongia, Dictyoclostus, Juresania, Composita, Hustedia, pelecypods.
|
13.8 ft.
|
|
2
|
Limestone - hard, clayey, very fossiliferous, weathers pale yellowish orange (10YR8/6), fresh medium olive gray (5Y5/1). fossiliferous containing crinoid stems. Heliospongis, Osagia, foraminifera? (white, hollow bodies about 1/16 - 1/32 of an inch in size). Girtyocoelia and brachiopod fragments. A 2 in. layer occurs near the bse that is made up of small fragments of rhomboporate brozoans, fenestrate bryozoans, productus spines, and small fragments of brachiopods.
|
1.2 ft.
|
|
1
|
Shale - (actually a very slightly silty claystone that breaks into 1/4 to 1/2 inch angular fragments). Weathers pale yellowsh brown (10YR6/2) or light olive gray (5Y5/2). Light olive gray (5Y5/2) fresh. Contains a few thin beds of light bluish gray (5B7/1) claystone, very slightly silty. Thin (1/2 inch) bed or lenses of hard siltstone occur 2 - 5 ft. below the top. Worm tracks are common on the siltstone
|
15 ft.
|
|
