Climbing Mt Coolum

 

Mt Coolum

Mount Coolum is an isolated volcanic dome, 208 metres in height, roughly circular in outline, covering a plan area of approximately 1 square kilometre. Geologically, it is principally composed of sodium and potassium rich rhyolite with some sandstone surrounds. Potassium-argon dating gives and age of between 25 and 26 million years. One of the most notable features of the mountain geology is the striking columnar / crystal jointing patterns clearly visible both on the main cliffs and the faces of the disused quarry….. click here to learn more.

 

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