Advertisement

Advertisement

pyroclastic

[ pahy-ruh-klas-tik ]

adjective

, Geology.
  1. composed chiefly of fragments of volcanic origin, as agglomerate, tuff, and certain other rocks; volcaniclastic.


pyroclastic

/ ˌpaɪrəʊˈklæstɪk /

adjective

  1. (of rocks) formed from the solid fragments ejected during a volcanic eruption


pyroclastic

/ pī′rō-klăstĭk /

  1. Composed chiefly of rock fragments of explosive origin, especially those associated with explosive volcanic eruptions. Volcanic ash, obsidian, and pumice are examples of pyroclastic materials.


Discover More

Word History and Origins

Origin of pyroclastic1

First recorded in 1885–90; pyro- + clastic

Discover More

Example Sentences

Much pyroclastic rock and some lava flows are intercalated amongst the Welsh Cambrian sediments.

Fast-moving deadly pyroclastic flows (“nuées ardentes”) are also commonly associated with plinian eruptions.

Advertisement

Advertisement

Advertisement

Advertisement


pyrochlorepyroconductivity