General Climbing Discussion

Topic	Date	User
Salty Rock	27-Aug-2012 At 11:05:08 AM	mattbrooks
Message
Sandstone is very porous, the water that seeps out also is resposible for forming these pockets through gradual erosion. This water will also contain any minerals that are found in the underlying rock. As it is exposed to the atnosphere it the water evaporates leaving these minerals behind. Commonly calcium or salt are left as a residue. In this case salt is more likely due to the fact Sandstone is originally formed as deposited silt/sand layers on the bottom of the ocean before being compressed to form the stone it is now.

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