THE UNIVERSITY OF WESTERN ONTARIO

LONDON CANADA

Mid-Term Test II - March 8th 1999

Time: 50 mins Intramural

GEOLOGY 300B

Make a simplified drawing of the relative position of the main Cordilleran terranes in the region between northern British Columbia and southern California.

Annotate each terrane with: A) the name of the terrane, e.g. Franciscan, B) its plate tectonic character, e.g. rift zone, oceanic arc, and C) the relative age of accretion of the terrane to the Cordilleran margin, e.g. Paleozoic, Triassic, Jurassic, Cretaceous.

Make a sketch of the relative Early Paleozoic paleogeographic distribution of the four continents and continental terranes that will eventually accrete to form the Appalachian-Caledonian system. Annotate the names of the terranes and continents, and give the names of the oceans that separated them.

Name the three orogenies thought to mark the collision of the continental terranes.

What kind of evidence has been used to determine the relative latitude occupied by the terranes at the time of their formation?

Name three terranes within the Newfoundland segment of the Appalachians:

FIGURES

Structural Provinces of North America.

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