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Contributed by Yale Peabody Museum of Natural History.
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Transcription
157
Unit #255 #238
2.60m
Base of this unit cross stream
to joint section
coal +1.0cm, overtrain by till
w/ iron st nodules/concretions.
left by large trough X-blondie
SS. Texture: two main grey.
1.6m thick channel
Unit #256 #259
11.80m
coal - 60cm thins
Grey mudst => nodules horizons
=> thin ss => mudst it - unit 1.2m thick
F.g. spray 70cm, w/ roots and
iron nodules horizons
carbonaceous to coal
Cycle = mud -> mud -> thin ss -> mud
-> spray