Landscapes billow in the wind of time.
Plates rotate, icecaps shrink and swell.
Mountains heave up, are rained flat.
Seas come and go wriggling with life
Leaving waves of fossils.
A green froth covers the land
Humming and buzzing.
All engulfed by the spreading sun.
Stewart McKenzie
http://www.poemhunter.com/poem/timesong-20-geological-time/