Rifting

from The Collaborative International Dictionary of English v.0.48

Rift \Rift\, v. t. [imp. & p. p. {Rifted}; p. pr. & vb. n.
   {Rifting}.]
   To cleave; to rive; to split; as, to rift an oak or a rock;
   to rift the clouds. --Longfellow.
   [1913 Webster]

         To dwell these rifted rocks between.     --Wordsworth.
   [1913 Webster]