1) Volcaniclastic 
Pertaining to fragmented (clastic) rock material formed by a volcanic explosion or ejection from a volcanic vent.
Pertaining to fragmented (clastic) rock material formed by a volcanic explosion or ejection from a volcanic vent.
Of clastic (broken and fragmented) rock material formed by volcanic explosion or aerial expulsion from a volcanic vent. A pyroclastic eruption is an explosive eruption of lava producing and ejecting hot fragments of rock and lava.
Pertaining to fragmented (clastic) rock material formed by a volcanic explosion or ejection from a volcanic vent.
Being or pertaining to rock fragments formed in a volcanic eruption.
Pertaining to fragmental rock material formed by volcanic explosions.
Pertaining to clastic (broken and fragmented) rock material formed by volcanic explosion or aerial expulsion from a volcanic vent.
Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
Pertaining to 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`.
composed chiefly of fragments of volcanic origin, as agglomerate, tuff, and certain other rocks; volcaniclastic.