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Arkose
Type of sandstone containing at least 25% feldspar / From Wikipedia, the free encyclopedia
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Arkose (/ˈɑːrkoʊs, -koʊz/) or arkosic sandstone[1] is a detrital sedimentary rock, specifically a type of sandstone containing at least 25% feldspar.[2][3] Arkosic sand is sand that is similarly rich in feldspar, and thus the potential precursor of arkose.
Quick Facts Composition ...
Sedimentary rock | |
![]() Arkose with K-feldspar (pinkish-orangish) and quartz (gray) grains | |
Composition | |
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>25% feldspar |
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