Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
5
90° to general trend of straight-
westered oscillation ripples.
contour current on slope, running
parallel vs osc running =
Oscillation
NB- no directionality,
only orient vs.
cost.
Mega Ripples
Note - slides of mega osc. mud
partings & superimposition of osc. on mega
ripples.
No bioturbation.
unit+8 Shale blocks slightly silty in
16.8m basal 50cm, grades up to
daystone and more silty mudstone
to top. Medium grey.
Well-exposed unit.
Interbeds listed below:
offossil