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Unit No. |
Description |
Thickness |
1
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Limestone - poorly bedded, clayey, breaks into thin flattish plates. Very fossiliferous, consisting mainly of crinoid stems, brachiopod and pelecypod fragments, rhomboporate bryozoans, and many fusulinids. Weathers to dark yellowish orange (10YR6/6) and dark yellowish brown (10YR4/2). Fresh surface is medium gray (N5). In this locality there is a covered interval above this bed that is about 2.5 ft. thick, and then more limestone float on that. No outcrop.
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2.6 ft.
|
2
|
Shale - grayish orange (10YR7/4) and nearly white interbedded. Very thin bedded bur not fissile. Weathers readily. Carbonaceous on bedding planes. Very slightly silty.
|
1.2 ft.
|
3
|
Siltstone - clayey, many plant fragments on bedding planes. Grayish orange (10YR7/4), poorly bedded. A few clay shale beds included
|
1 ft.
|
4
|
Siltstone - clayey, medium blusih gray (5B5/1), poorly bedded
|
1.2 ft.
|
5
|
Siltstone - well bedded, thin bedded beds about 1/4 to 1/2 inch in thickness. Breaks into slabs. Yellowish gray (5Y7/2)
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1.5 ft.
|
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