arkosic

1 definition found

arkosic - Collaborative International Dictionary of English v.0.48 :

  Arkose \Ar*kose"\, n. [F] (Petrog)
     A sandstone derived from the disintegration of granite or
     gneiss, and characterized by feldspar fragments. --
     Ar*kos"ic, a.
     [Webster 1913 Suppl.]