Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7
[Sample taken of grit for slide
w/ ECS-90-3, light grey grt]
Much carbonized plant hash and
clean white coarse grained
gritty ss.
clean-washed quartzose ss,
above basal complex. Fine to
medium grained, extremely
well-rippled with 1-2cm thin
sandy silstone partings. Abundant
finely carbonized plant mat
on rippled bedding planes
PITAG ECS-16, 1.9m
down from top of unit.
Abundant vertical & horizontal
circular tube burrows in basal 2m;
slide photo of burrows & general
views of unit.