Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
V
30. 2YR 7/1 fr & wh siltst.
Bedded LIMONITE STAIN
in fr. & wh. section
5Y 7/2 fr. & 10YR 6/6
Occ. lim. cem. siltst.
Concs. between 32 & 33
Wh. color 30-32
2YR 7/1 & 10YR 5/6
Upper LAV.
32.9 5YR 7/1 massive chippy siltst
wh. color 5Y 7/1
35,8 clayey siltst. 5Y 6/1
37. Grades upward into
a platy sh. 5YR 3/1
sh. (gypiferous)
37.9 Sh. as at 37 but with
pods of black lignite
mat. (Alamo bluff lig)
Upper mbr.
38,3 5Y 3/2 fissle very plastic
pure clay.
39. do. 38,3 but color now
5Y 5/2