Simplest form would be like:

plane {y,0
 pigment {rgbf 1}
  normal {waves .6 phase clock turbulence .3}
   finish {specular .9 roughness .01}
}

The 'phase clock' will move the surface normal as the frames advance.
For a displaced surface though you'd need to use MegaPOV and, for example,
instead of a plane with the normal it would be a isosurface pigment function
of the wave pattern but still phased.

Bob H.

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