Endogenic Processes and Geologic Time Scale

The main driving force for all types of endogenic processes is plate tectonics.

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A phenomenon when layers of the Earth's crust bend is known as faulting.

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In convergent boundaries, the lighter plate always undergoes subduction.

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A rift valley in an oceanic-oceanic divergent boundary eventually results to seafloor spreading.

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The movement of magma from underground magma chambers is not enough to cause earthquakes.

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Orogeny refers to mountain building brought about by continental-continental convergent plate boundaries.

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The Precambrian supereon in the geologic time scale includes the Hadean, Archaean, Proterozoic and Phanerozoic eons.

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The solidification of the Earth's crust occurred during the Hadean eon.

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Fossil fuels first appeared in the Devonian period.

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Majority of the first organisms that appeared during the ancient history of the Earth are land-based.

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