Simple Lithology

pyroclastic rock

broader fragmental igneous rock
narrower pyroclastic rock
pyroclastic material
narrower pyroclastic rock
definition Fragmental igneous rock that consists of greater than 75 percent fragments produced as a direct result of eruption or extrusion of magma from within the earth onto its surface. Includes autobreccia associated with lava flows and excludes deposits reworked by epiclastic processes. more like this
narrower ash tuff lapillistone and lapilli tuff
broader pyroclastic rock
tuff breccia agglomerate or pyroclastic breccia
broader pyroclastic rock
source based on LeMaitre et al. 2002 more like this
in scheme simplelithology
is primary topic of pyroclastic rock