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: https://landscapes-revealed.net/marine-fossils-in-colombias-eastern-cordillera/. 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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Trekking to Ciudad Perdida—the “lost city” of Teyuna

My last post about Colombia focused on the north-coast city of Santa Marta and adjacent Sierra Nevada: https://landscapes-revealed.net/sierra-nevada-de-santa-marta-earths-highest-coastal-mountain/. Our principal goal there was a four-day trek to Ciudad Perdida, known as Teyuna by the indigenous people. We completed an additional three-day trek in the Sierra Nevada to further explore this amazing mountainous region with its indigenous villages and rural farms....
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Sierra Nevada de Santa Marta: Earth’s highest coastal mountain

My friend Maria met me in Medellín, and from there we flew north to Santa Marta, located on the Caribbean coast. Santa Marta was founded in 1525, and is the oldest surviving Spanish settlement in Colombia. Prior to the Spanish conquest, the native Tayrona people had lived in the region for thousands of years. In a story common throughout the...
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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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