Tectonics 1.1C
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5 Terms
1
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What are intra-plate Earthquakes?
Earthquakes that occur away from a plate boundary
2
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What causes Intra-plate Earthquakes?
Fault lines that are re-activated by tectonic stress
3
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What is a Mantle Plume?
A concentrated area of heat convection
4
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What is the first step of Hotspot Volcanoes?
Mantle plumes release heat and rises towards the surface, generating basaltic volcanoes
5
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What is the second step of Hotspot Volcanoes?
A mantle plume is stationary, but the tectonic plate above moves slowly over it, causing a chain of volcanic islands.