火山岩頚の英語

volcanic rock

volcanic ash(es) [rock]

a dark grey volcanic rock

eruptive rocks

hard volcanic rock composed of compacted volcanic ash

material contained in volcanic rock

a rock made of ejecta, called trass

a rock called serpentinite

a rock called {amphibole-gneiss}

a rock, called gneiss

a rock called porphyrite

a rock called granite-gneiss

a rock called ophicalcite

a volcanic rock called rhyolite

a type of rock called peridotite

an igneous rock called basalt

a rock called 'ohyaishi'

a rock called amphibolite

a kind of rock called trachyte

a mass of igneous rock, called laccolith

a rock named an igneous rock

a rock called breccia

a formation of mounds consisting of rocks, called {sheepback}

a kind of rock called gangue

a rock called porphyry

a type of rock called "Chichibu-aoishi"

a type of granite from Kobe, Japan

a type of rock called {aeolian rock}

a rock, called dolomite

a kind of metamorphic rock discovered in an area called 'Ryooke'