So if you haven't noticed already, I'm a little obsessed with the geology here. The pictures below show the columnar jointing of basalt as lava cooled quickly, contracted and formed cracks perpendicular to the surface of flow.
The Hole in the Rock. Actually there are several of these. They are formed by the erosion of the soft mudstone while the harder graywacke remains.
Oh and the dolphins were cool, too.
So was the fantastic beach we went to for our lunch break.
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