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Contributed by Yale Peabody Museum of Natural History.
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Transcription
Friday August 12-1910
Bonne Bay.
Left Dalys Cove at 6.30 A.M. for Bonne Bay. A dark day
with rain on and off.
At Green Point we saw a large and fine exposure of the
conglomerate series striking parallel with the shore and the strata
standing nearly vertical. About 400 feet of thickness are shown. Near
there are then hidden grey to dark coloured limestones interbedded with
more or less cherted shales. Interbedded occasionally are thin beds
(6-12 feet) of typical conglomerate in all of the pieces are small although
they may be nearly one-ton feet long and 3 to 4 inches thick. Andward
gradually the limestones become less dominant and the shales
are almost without limestone. In these upper beds there is an
ocean sand then large (?) conglomerate. About 100 to 150 feet above
the base are some considerable Dictyomena and the numerous
Necr Oenocephalus. No other fossils were seen.
The beds are considerably faulted, usually the throw is small
but in one case it may have been as much as 150 feet. The strike is
N.80 E., dips 74 S.
There can be no doubt that these rocks belong to group 15 because
of the presence of the characteristic conglomerate of the group. We take
it that this over is in this division (?) the upper part) where the
conglomerate gives way to regular bedded material as is the case to
the east of Cove Head seen by Torinholde on Wednesday Aug 10,
at Shallow Bay. There can be no doubt that Div. 15 changes
much along the strike or that in one place conglomerate predominates
and in others, and especially towards the top of this division, bedded
clayey sediments that cannot be interpreted as falling in masses.