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lithic sandstone

metamorphic rocks

crystalline rock

a rock called breccia

a sedimentary rock, called chert

a rock called ophicalcite

a kind of rock called diabase tuff

a type of rock called tuff

a rock, called marlstone

green-coloured tuff

arenaceous limestone

a rock called serpentinite

a kind of pyroclastic rock called green-colored tuff

a metamorphic rock called crystalline rock

rock called slate

a metamorphic rock called phyllite

a granular crystalline intrusive rock

a rock, called diorite

submerged rocks

an igneous rock called tonalite

a stone called {metamorphic rock}

a rock called agglomerate

a sharp edge of a rock

rock called clastic rock

brecciated rock

a type of rock, called tuffite

a rock called porphyry

a type of lava, called pillow lava

friable sandstone

a tip of a rock