What data did Alfred Wegener cite as evidence supporting continental drift?  Give examples of each.  Use sketches if you wish.  Why was the general geologic community not convinced of the validity of continental drift as expoused by Wegener?

What four kinds of data did Alfred Wegener cite in support of continental drift?  Give examples of each.  Use sketches if you wish.

What paleoclimatic evidence did Alfred Wegener cite in support of continental drift?  Use sketches if you wish. (5 pts.)

 

What contribution did Authur Holmes make to the continental drift argument?

 

When did Pangea begin to break up (Ma and geologic period)?

What present-day continents, sub-continents, and islands were part of Gondwanaland?

 

During the 1950's, paleomagnetists came to support the concept of continental drift.  Briefly discuss their reasons.  Use sketches if you wish.

What role did the study of the earth's paleomagnetism have in establishing continental drift as an acceptable hypothesis during the 1950's?

Briefly describe the contribution made by paleomagnetisists during the 1950's confirming continental drift. (10 pts.).