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Geology 112

1.4 Plate Tectonics

QuestionAnswer
Why is Earth interior hot? 30% from earth's formation, 70% radioactive decay
Alfred Wegener? Proposed the first coninental drift model based on the 'jigsaw' fit of all the coninents plus showed that all the ice sheets and share fossils
Pangaea? Super continent 300 Ma ago
Benioff Zone? Area under subduction zone, earth quakes and volcanism 200kms
Bathemetry of MOR? 2500m above sea floor
Created by: shiftyleigh
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