from The Century Dictionary.
- noun The doctrines of the Plutonists.
from the GNU version of the Collaborative International Dictionary of English.
- noun The theory, early advanced in geology, that the successive rocks of the earth"s crust were formed by igneous fusion; -- opposed to the
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The old
geological theorythat the rocksforming the Earthwere formed in fireby volcanicactivity, with a continuing gradual process of weatheringand erosion, then depositedon the sea bed, re-formed into layersof sedimentary rockby heatand pressure, and raised again.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Pluto + -ism, after the classical ruler of the underworld.
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The German Bank pluton, offshore SW Nova Scotia: Age, petrology, and regional significance for Alleghanian plutonism
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