Unit No. |
Description |
Thickness |
6
|
Crinoidal limestone
|
|
5
|
Covered interval
|
9.8 ft.
|
4
|
Coal and coalified logs, logs 5 feet long and 1 foot wide
|
0.5 ft.
|
3
|
Shale; gray not well seen near middle of section 18 but well seen below coal near middle of North side of section
|
|
2
|
Limestone
|
|
1
|
Shale; yellow and gray Sguamularia; spirifers and crinoids
|
4 ft.
|
|
Starts near mid section top is in section North of North side base is West of section along East side - Where much black shale is seen also much gray shale 1/2 mile to Southeast
|
|
|
This shows crinoided limestone and sandy limestone (near Mound Valley is below Hertha limestone)
|
|