rectangular cross ripple mark

An oscillation cross ripple mark consisting of two sets of ripples which intersect at right angles, enclosing a rectangular pit.

Related terms:

• oscillation ripple mark
• interference ripple mark
• oscillatory ripple mark
• wave ripple mark
• linguoid ripple mark
• symmetric ripple mark
• normal ripple mark
• rhomboid ripple mark
• linguloid ripple mark
• cuspate ripple mark