Cave shields in Crystal Sequoia Cave

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photos by Kristen > caves > Crystal Sequoia, California

Cave shields are semicircular plates of calcite located beneath joints in a cavern ceiling formed when hydrostatic water seeps along the joint. See the glossary of karst and cave terms for more definitions.
Crystal Sequoia, California photograph. <a href='http://www.goodearthgraphics.com/virtcave/shield/shield.html'>Cave shields</a> are semicircular plates of calcite located beneath joints in a cavern ceiling formed when hydrostatic water seeps along the joint. See <a href='http://www.speleogenesis.info/directory/glossary/'>the glossary of karst and cave terms</a> for more definitions.