Home > Earth > Earth Records > Deepest Cave Tour > How Lechuguilla Cave was Formed The Formation of Lechugilla Cave Lechuguilla happened when hydrogen sulfide gas bubbled up from nearby oil reservoirs deep in the ground. What caused the hydrogen sulfide to be released was the uplifting of the surrounding mountains, which created deep cracks in the earth over the oil reservoirs. A chemical reaction between the hydrogen sulfide gas and the oxygen molecules in the groundwater created a very powerful acid - sulfuric acid. The sulfuric acid ate through the layers of limestone underground, leaving a maze of open cracks and caves. Unlike most caves that were formed from the top down, Lechuguilla was created from the bottom up. Meet a caver who's been inside of Lechuguilla Cave -> See the incredible crystal formations in Lechguilla Cave - > |
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