Geology Final

Who came up with the continental drift hypothesis?

Alfred Wegener in 1915
Conditions for continental drift hypothesis.
- -Fit of continents
- -Fossil evidence
- -Rock type and structural similarities
- -Paleoclimatic evidence
- -Pangaea breaking apart about 200 mill. y. a
Polar Wandering
- The apparent movement of the magnetic poles indicates that the continents have moved.
- (Indicates Europe was much closer to the equator when coal-producing swamps existed)
- -North America and Europe are separated by about 24^oLongitude
Geomagnetic Reversals
- Earth's magnetic field periodically reverses polarity. (North and South switches)
- -Dates determined from lava flows
- -Flips the remnant magnetic inclination of the rocks 180^o
Major Tectonic Plates

Author

brittnilovesu

3086

Card Set

Geology Final

Description

Geology I Final Review

Updated

2009-12-14T22:57:23Z

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