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Crag & Route Beta

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Topic Date User

Campfire under Comic Relief 23-Sep-2015 At 10:09:32 PM kieranl

Message

On 23/09/2015 grangrump wrote:
>On 22/09/2015 IdratherbeclimbingM9 wrote:
>>During the night the granite cracked like a gunshot and the overhanging
>>portion (about the size of a Volkswagen) fell off...
>Yep. Fire is a much more significant cause of granite erosion in Australia
>than freeze-thaw cracking (which is in all the Northern hemisphere oriented
>textbooks).
>Not sure about Arapiles.
Are you sure that's true in the arid regions of Australia (most of the country)? I'm not saying you're wrong, just curious. In winter it can easily vary 30 degrees between day and night in the desert.