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Carlsbad Caverns - speleothems

By Geology and Ecology of National Parks
This is a photo of speleothems.
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Detailed Description

Most of Carlsbad Caverns' speleothems (cave deposits such as these stalagmites) consist of the mineral calcite (CaCO3) that precipitates from groundwater that enters a cavern. Some speleothems are also composed of aragonite and gypsum (Davis, 2000; NPS, 2009; NPS, 2010).

Sources/Usage

Public Domain.