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Contributed by Yale Peabody Museum of Natural History.
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Transcription
7/8/78
7866
91 Becomes a SITST, chippy
5Y4/1
91.3 ab
W thin vfg ferrug ss
interbeds 0.1 - 0.2 m
thick about
92.5
92.9 SS, vfg, ferrug,
friable.
93.7 Chippy med grey SITST.
grading upward to
94.55 SS, vfg, tx-bedded
SI, cavernous wh, ledgy
CALC SS.
95.7 SITST, interbed
5Y6/1 CALCAREOUS
96.15 Fri. w. 15. SY6/1
96.7 SS, ledgy trough x bedded
(SY3/2) CALC
base SH downcutting.
TOP 11
above 98.6 SS becomes
friable
99.3 SH, 10YA 6/4, SI, lignitic
& SITV becoming LIGNITIC
at 99.8 then grading
into SS at 99.9.