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

basalt bomb, Ol / Rock Igneous rock

lapilli tuff, altered basalt / Rock Igneous rock Pyroclastic rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

Basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt / Rock Igneous rock

basalt, Pyx / Rock Igneous rock

meta-basalt / Rock Igneous rock

meta-basalt / Rock Igneous rock