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溶岩の固まり
a mass of molten rock
粘板岩という岩石
rock called slate
溶岩尖塔という地形
a geographical feature of volcano shaped like a tower
溶岩台地という地形
a lava plateau
潜岩
submerged rocks
沈積岩という岩石
a type of rock called a sedimentary rock
枕状溶岩という溶岩
a type of lava, called pillow lava
層灰岩という,層状の岩石
a type of rock, called tuffite
岩石の層
a rock formation
粘土質の岩石
argillaceous rocks
頁岩という岩石
a rock called shale
土台となっている岩
a rock foundation
皿状の溶岩片
a piece of lava with a flat bottom
粗面岩という岩石
a kind of rock called trachyte
岩の突端
a tip of a rock
泥岩という岩石
a shale rock called mudstone
水成岩という岩石
rocks called aqueous rocks
塩基性岩という岩石
a type of rock called a {basic rock}
深成岩という岩石
a rock called pluton
凝灰岩という岩石
a type of rock called tuff
火山岩
volcanic rock
多層の岩石
superimposed rocks
堆積岩という岩石
rock called sedimentary rock
砕屑岩という岩石
rock called clastic rock
溶岩丘という地形
a geographical formation called lava cone
泥灰岩という岩石
a rock, called marlstone
縞模様の岩石
a banded rock
結晶岩
crystalline rock
珪板岩という岩石
a black siliceous stone formerly used to test the purity of gold and silver, called a Lydian stone
斑岩という岩石
a rock called porphyry
溶岩台地