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Evidence for plate tectonics
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Gravity
Terms in this set (12)
Glossopteris
organism whose fossil provided evidence for continental drift, fossilized leaves of an extinct plant found in South Africa Australia, India and Antarctica
Mesosaurus
extinct freshwater reptile whose fossils in Brazil and South Africa
Alfred Wegener
German geophysicist who proposed the theory of continental drift (1880-1930)
Francis Bacon
(1561-1626) English politician, writer. Noticed the igsaw fit between The Eastern Americas and Western Africa/Europe
Caledonides
Part of a mountain chain that is found on both sides of the Atlantic but that has been seperated by Continental Drift
Pangea
large supercontinent that existed 250 million years ago
Continental Drift
the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
Paleomagnetism
the study of changes in Earth's magnetic field, as shown by patterns of magnetism in rocks that have formed over time. Used around the Mid Atlantic Ridge
Magnetic Stripes
provide evidence of sea floor spreading when they show the reversal of magnetic fields
Mid Atlantic Ridge rock age
is almost symmetrical on either side
Glacial evidence
striatons and landforms in Europe and N Anerica suggest the same origin
Geology
rock types and bands that match up either side of the Atlantic ocean
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