Bread-crust bomb / Rock Pyroclastic rock

volcanic bomb, basalt (part) / Rock Igneous rock Pyroclastic rock

lapilli / Rock Igneous rock Pyroclastic rock

lapilli / Rock Igneous rock Pyroclastic rock

tuff, bedded / Rock Igneous rock Pyroclastic rock

tuff, layrered / Rock Igneous rock Pyroclastic rock

pumice / Rock Igneous rock Pyroclastic rock

andesite tuff / Rock Igneous rock Pyroclastic rock

tuff, andesite / Rock Igneous rock Pyroclastic rock

andesite tuff / Rock Igneous rock Pyroclastic rock

basalt bomb, Ol / Rock Igneous rock

tuff / Rock Igneous rock Pyroclastic rock

tuff / Rock Igneous rock Pyroclastic rock

volcanic conglomerate / Rock Sedimentary rock Pyroclastic rock

tuff breccia, brecciated / Rock Pyroclastic rock

lapilli tuff / Rock Igneous rock Pyroclastic rock

lapilli tuff / Rock Igneous rock Pyroclastic rock

lapilli tuff / Rock Igneous rock Pyroclastic rock

tephra, pumiceous / Rock Igneous rock Pyroclastic rock

pumice tuff / Rock Igneous rock Pyroclastic rock

pumice tuff / Rock Igneous rock Pyroclastic rock

tuff, pisolite / Rock Igneous rock Pyroclastic rock

pumice tuff / Rock Igneous rock Pyroclastic rock

pumice tuff / Rock Igneous rock Pyroclastic rock

pumice tuff / Rock Igneous rock Pyroclastic rock