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11 points
ARKOSES is validvalid
ARKOSE, a type of sandstone [n]
ARKOSE, a sedimentary rock formed by the cementation of sand-sized grains of feldspar and quartz [n]
ARKOSE, a type of sandstone [n]
ARKOSE, a sedimentary rock formed by the cementation of sand-sized grains of feldspar and quartz [n]