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Geology Final
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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 2
4
o
Longitude
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
ID
3086
Card Set
Geology Final
Description
Geology I Final Review
Updated
2009-12-14T22:57:23Z
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