Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
grades to unit above
12
5.5
claystone, dark greenish gray, silty
in basal half, soft at top.
13
1.0 ±
Claystone - a zone of clstn? pellets
in clstn. (Sample 1) Grades
to units above & below. Is
spottily sandy has chert grains
& granules as well as rounded
clstn. Also many red spots
but can't tell if spherulites.
May occur as irregular lens
or beds in this part of
section. Not in well-defined
beds
14
2.7
Claystone greenish gray, with
irreg thin stringers silt and
very fine ss
15
0.1-0.2
Sandstone, very fine gr. clear
fusible ss. Fe O B coating
& stain. chiefly qtz, some chert.
16
7.0 - 8.05
Claystone, grading from greenish
gray at base thru drzy to
light gray + silty at top
has irreg lenticel & stringhs
36