Organ Pipes Valley Namibia:
Geometry - Seen to be working:
As the molten rock pushed up through the
earth's surface it began to cool from the outer edges of the intrusion
- inwards. The movement of the remaining innermost magma was
restricted to 'vertical movement only'. As it cooled and contracted
the rock split vertically forming columns that have polygonal cross
sections in accordance with geometric law. The resulting formation
no voids between the columns.
Polygons applicable to
this type of phenomena are Triangles, Quadrilaterals and Hexagons.
They can be regular or irregular polygons. In this case the sides of
the neighboring columns will be of similar length and shape, and they can even be
curved as can be seen in the above left photo.
One familiar example of a
regular polygon being used in nature is the hexagon as used by
bees when building their honeycombs.
Acknowledgements and further reading: G1, G2, P1