Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Section 19 contd.
24. Shale, gray weathering, in beds 1 to
6 feet thick, with interbedded thin
calcarenites 3 inches to 2 feet thick,
lower portions poorly cemented and poorly
sorted, upper 2 inches are generally well
sorted and cemented; these beds appear
cyclic, at least 17 of these cycles
seem to be represented, coll. 19-24
(65 feet above base), Pseudoschwagerina
uddeni, P. texana, Schwagerina pugunculus,
S. emaciata, Triticites uddeni, T.
ventricosus (reworked) . . . . . . . . . . 85
23. Limestone, gray weathering, biohermal or-
ganic fragmental; upper part is crudely
bedded in 2 foot ledges; lower part is
poorly sorted and cemented, lacks well
defined bedded . . . . . . . . . . . . . . 17
22. Calcarenite, brown weathering, 1/2 to
1 foot beds, and interbedded shale, gray,
1 to 2 feet thick . . . . . . . . . . . . . 11
21. Calcarenite, like unit 10 . . . . . . . . . . 1 1/2
20. Covered, probably shale with thin brown
weathering calcarenite . . . . . . . . . . . 7
19. Calcirudite like unit 10 . . . . . . . . . . 1 1/2