Remember to put your name in parentheses at the end of the question field. Intense deformational events in middle and late Ordiovian. Continental fragmentation and drift. Continental drift, vertical crustal adjustments,and the development of an ice age. Continental shelf and rise deposits of the rifted continental margin.
Arches are high areas that receive deposition only during the highest sea levels.
In which period did the first vertebrates appear, that were jawless fish called Ostracoderms. The Uralian Seaway Please report any errors in the exam or problems with the program to Dr. Heaton . Press here to return to the ESCI 103 Home Page.