arkose
/ˈɑrkoʊs/
noun
- A type of sandstone that contains a lot of feldspar, usually pink or reddish in color.
- The canyon walls were made of arkose, giving them a warm reddish hue.
- Arkose is often used in construction because of its durability and attractive color.
- The geologist identified the rock as arkose because of its high feldspar content.