arkose
/ˈɑrˌkoʊs/
noun
A coarse-grained sandstone that is at least 25 percent feldspar.
The matrix ranges from sandstone to arkose, and is frequently just fine-grained conglomerate.
noun
A coarse-grained sandstone that is at least 25 percent feldspar.
The matrix ranges from sandstone to arkose, and is frequently just fine-grained conglomerate.
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