Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7-19-1
31'
Purplish Brown pta
Horsetail shales bearing
stems & x-sections of
Equisetum, ferns &
dicot leaf fragments
1" lignite at 31.
Shales above it.
Bright yll Fc. min. through
sequence.
33' grey now plant frag
shale.
G.V.
35' Grey clay - few
plant (monocot) frags.
36- Grey silty plant-
leaf & plant frag pebbly
clay.
37- Grey slightly silty
micaceous leaf frag
bearing shale
(Ceridophyllum sp.)
& others.
38 grey clay with limonite
staining.
39 grey clay.
40 grey silt stone