plutonism

Etymology
, after the classical ruler of the underworld.

Noun

 * 1) The old geological theory that the rocks forming the Earth were formed in fire by volcanic activity, with a continuing gradual process of weathering and erosion, then deposited on the sea bed, re-formed into layers of sedimentary rock by heat and pressure, and raised again.

Translations

 * Greek:
 * Japanese: 火成論, 火成説

Etymology
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