Pertaining to clastic rock (broken fragments of existing rock) material formed by volcanic explosions.
A descriptive term used to identify fragmented material--ash, cinders, blocks, and bombs--which is ejected from a volcano.
Pyroclastic - A volcanic rock made up of fragments or particles derived from a violent volcanic eruption.
Pyroclastic is a term that refers to volcanic rock material that is formed by a volcanic explosion or by ejection from a volcanic vent.
Igneous material erupted explosively as finely pulverized lava (bombs, blocks, pumice, ash and hot gases).
rocks consisting of fragments produced by volcanic action
A Greek term meaning fire-broken; it refers to fragmental rock ejected during an eruption.
Being or pertaining to rock fragments formed in a volcanic eruption.
Fragmented (clastic) rock materials formed by a volcanic eruption.
Adjective used to describe rock material formed by a volcanic explosion.
rock that is formed of detrital volcanic material deposited as sediment from air or water.
This is a general term for volcanic material fragmented by eruptive processes.
Pertaining to fragmented (clastic) rock material formed by a volcanic explosion or ejection from a volcanic vent.
An igneous rock texture produced from consolidation of fragmented volcanic material ejected during a violent eruption. Also used to describe ash, bombs and other material forcefully ejected during a volcanic eruption (=tephra) more details...
Pertaining to the clastic rock material formed by volcanic explosion or aerial expulsion from a volcanic vent; also, pertaining to rock texture of explosive origin. It is not synonymous with the adjective "volcanic".
Pertaining to fragmental material formed by volcanic explosions.
general term for fragmented matter ejected by volcanoes: lava blocks, volcanic bombs, ashes (crystals, lapilli, volcanic glass).
an adjective used to describe rock materials formed by fragmentation as a result of volcanic action.
Rock formed of material from volcanic explosion.
generic term used to designate volcanic rocks that are formed as a result of the accumulation and consolidation of volcanic fragments, ashes, or dust, due to gravity, gas ejection, wind, water transport, etc.
Pertaining to clastic (broken and fragmented) rock material formed by volcanic explosion or aerial expulsion from a volcanic vent.
Fragmented rock materials formed by volcanic explosion;
composed chiefly of fragments of volcanic origin. [AHDOS
Pyroclastic (meaning "fire fragmented") refers to broken-up rocks, pumice, ash, and other bits of material that are formed in a volcanic eruption.