What's the difference between pegmatite and plutonic?

Pegmatite


Definition:

  • (n.) Graphic granite. See under Granite.
  • (n.) More generally, a coarse granite occurring as vein material in other rocks.

Example Sentences:

  • (1) A wide spectrum of heterotrophic and autotrophic microorganisms was detected in the zones of decomposition of spodumene and bed rocks, pegmatites and shales, in the spodumene deposit.

Plutonic


Definition:

  • (a.) Of or pertaining to Pluto; Plutonian; hence, pertaining to the interior of the earth; subterranean.
  • (a.) Of, pertaining to, or designating, the system of the Plutonists; igneous; as, the Plutonic theory.

Example Sentences:

  • (1) The causative agent of American foulbrood is Bacillus larvae, the causes of the European foulbrood diseases are Streptococcus pluton and Bacillus alvei and the causes of the septicemia are Pseudomonas apiseptica and Escherichia coli in honeybees (Apis mellifera).
  • (2) Four small towns in the pluton area were investigated in the valley of the river Cervo.