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Contributed by American Museum of Natural History Library.
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Transcription
crevices . In many places on the plateau
these crevices are marked by a wall 2 to 4 inches
wide and 1 to 2 or even 3 inches high, extending in
straight or nearly straight lines for several
or many yards.
Etc's photos - Exposure 2+3 %50 A pillar of disin-
tegrating rock shaped like the bust of a woman.
Etc4 / %50 Escarpment at western end of the
Umanak.
Spec.685. Fine-grained diabase from near base very contacted
of escarpment eastern end of Umanak Butte
showing development of magnetic crystals by
fumarole action along crevice. 600' A.J.
Spec.686. Diabase from about 2 feet from
be contact at base of escarpment eastern
end of Umanak Butte . One face shows
groups of small pyrite X's and epidote(?) on
old fissure surface. 600' A.J.
Spec.687 Diabase from about 2 ft. from
contact at base of escarpment eastern
end of Umanak Butte. Duplicate
600'A.J.
Spec.688 Diabase. Coarsegrained.
Eastern end Umanak Buttle . 600' A.J.
Lower part of sill
11.VIII. 30-1 %65 VUmanak. View up (N2)
Wostenholme Sound to show ice +