Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
13.
14.
Main bed cut out here by local channel
Channel lifts main bed in 2g mtr.
15
On bare N end of this hogback segment, relations
of clay beds in Holmer mine clearly shown.
Mainbed in with 3'+ ss separating it from
Flinty clay above. Lower split below
main bed also in here, but is siltstone+
silty siltstone.
Above flinty bed is massive x/2cm ss.
Flinty bed prob: 1 of "little 3"
Base
Top massive first Glen (Kossler memb.)
14.2, About 3' silty gray clay at base,
then siltstone grading up
Lower split into ss with 1-6 silty.
Upper 1.5 to 2' is hard bed
with ripmarked top-surface
(base main bed.
7.9 Main clay bed, basal bentonite
then 1" silt-stn., then silty
clay 3+ the 1.5 sits, rest
more silty clay sh.
3 to 6.9 Evenbedded to clay bru. weathers,
parkings silty sh.
10+
clay bed silty plastic clay gray
stained yellow + pink.
Siltstone beds basal 2 '
Sandstone, Massive X-lam.
Note along strike to S, lower split
contains @ bentonite bed.