Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
conformata. The kettle
just above the second trap
is made of of the diabase coming down into material
fall zone. Finally to the north we see a third
flow. Once again the base is highly vesicular
and lies fairly roof upon the Drakon conform-
ata.
All of this evidence goes to show that this
country was deformed into mountains during the
Devonian, that the topography was rough in the
Drakon time and that active volcanoes were abundant
during the early Drakon time.
All previous workers assumed that the
red beds on the sea shore beneath the diabase
was the end of the Lilerian section. Making out
the extrusive nature of the diabase and that
the same flow lies upon the Lilurian, Devonian
and Drakon I concluded it would worth while
to see if the Lilurian ended as supposed. To
my great surprise I saw the Lilurian dipping