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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Blog post recommendation

Air glaciers fighting plumes

 This is quite dramatic.  The air glacier is a clear zone of very cold, dry air.  It behaves exactly as a descending continental ice sheet, except a million times faster.  The tropical plumes, our only source of heat in the winter, can counter them.This one is a bit mucky, and I'm cheating by looking at the long-range weather forecast, which is very cold.  All the warm, moist air is being shoved

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