County: Reno

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Photographer: Bill Johnson/University of Kansas

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Short description: Ninnescah Shale with rosette calcareous concretions in Reno County. Concretions are masses of mineral matter embedded within rock layers, including limestone, sandstone, and shale. They are generally harder than the rocks around them and over time may weather out when the softer rock erodes away.

Hi-Resolution Version

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