USGS CMG InfoBank: Plate Tectonics

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Comment: 20:30 - 20:57 (00:27)
Source: Annenberg/CPB Resources - Earth Revealed - 5. The Birth of a Theory
Keywords: "plate tectonics", "mid-oceanic ridge", subduction, fault, plate, "Donald MacKenzie", "Robert Palmer", Earth

Our transcription: Geologists realized that Earth's surface is divided by the system of mid-ocean ridges, subduction zones and faults into giant plates, which slowly separate, converge, or slide by one another.
In 1967, Donald MacKenzie and Robert Palmer introduced the term "plate tectonics" to describe this revolutionary view of our world.

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