Quote:
Originally Posted by GH85Carrera
Amazing Ancient Wonder: The Giant's Causeway in Co Antrim consists of more than 40,000 hexagonal basalt columns which were formed when magma spurted through cracks in the Earth's surface 60 million years ago.
|
Devil's Postpile, on the eastern Sierra, not far from Mammoth. Hike down their with my little boy on my back circa 1996. As soon as I saw your shot, and all those hexagons, I knew that had to be basalt. I don't know the "why", but I was pretty wure "what"!
