Caves Leave Detailed Weather Records From The Past

Stalactites and stalagmites form as water drips from from the roof of a cave. In a previous post, earthquakes have been dated from stalactites and stalagmites. (Sometimes they start from cracks that formed at the time of an earthquake.)
This article discusses the uses of these formations as a weather record. Sometimes, they can track weather conditions down to the week! Read more...

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