Arkose

Arkose
Sedimentary rock
Arkose with K-feldspar (pinkish-orangish) and quartz (gray) grains
Composition
>25% feldspar

Arkose (/ˈɑːrkoʊs, -koʊz/) or arkosic sandstone is a detrital sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Arkosic sand is sand that is similarly rich in feldspar, and thus the potential precursor of arkose.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.