Catedral de Sal—underground church in an active salt mine

My last post presented evidence that Colombia's Eastern Cordillera was covered by a shallow sea during the Cretaceous Period: This post presents more evidence for an oceanic setting—thick salt layers that were deposited in a shallow sea where high rates of evaporation caused water to evaporate and salt crystals to build up many layers over time. Zipaquirá salt mine...
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About the Blogger

Karen (here with Mt. Shasta in background) is a geology professor emerita who aims to provide a "pocket geologist" for world travelers. Follow the blog to explore the landscapes of our planet and figure out what causes them to look the way they do.

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