Arkose Definition

ärkōs
noun
A usually pinkish or red sandstone consisting primarily of quartz and feldspar and forming from the cementation of particles generated by the rapid erosion of granite.
American Heritage
A medium-grained sandstone containing feldspar, derived from the erosion of igneous rock, esp. granite.
Webster's New World

(geology) A sedimentary rock consisting of small fragments of feldspar and quartz similar to a coarse sand.

Wiktionary

Other Word Forms of Arkose

Noun

Singular:
arkose
Plural:
arkoses

Origin of Arkose

  • French perhaps from alteration of Greek arkhaios ancient

    From American Heritage Dictionary of the English Language, 5th Edition

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