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| present plate tectonic regime |
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Definition
modern style of plate tectonics developed from Early Proterozoic (2500 Ma)
Opening and closing ocean basins
constantly changed geography |
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| composed of North America and Greenland, parts of northwestern Scotland |
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| accumulation of the present southern continents as well as Arabia, India, and Southwest Europe |
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| Pangea + South and North China + Sibera + Gondwana |
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The break up of Pangea
-NA and Nw Africa = Central Atlantic
N and S American continents = the present Caribbean
Antarctica & Australia are TOGETHER, separated from SA and Africa. Indian begain to rift from the Gondwana continent and move northward |
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| Continued break up of Pangaea |
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Definition
South America and Africa: Formed the South Atlantic Ocean!
Australia, Antarctica, India was separated |
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| Plate tectonics: global climates |
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Definition
alter oceanic and atmospheric circulation patterns (and therefore heat transport)
Glaciations
Bio-productivity
Volcanic activity |
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