Definitions

1. noun

A type of coarse-grained sandstone that is rich in feldspar and quartz, formed from arkosic sand.

“The geologist studied the arkose formation in the area, noting its unique composition.”

2. noun

A type of sedimentary rock that is formed from arkosic sand and has a high concentration of feldspar and quartz.

“The rock sample was identified as arkose, which is a common type of sedimentary rock in the region.”