Flowstone forms abstract shapes in Mammoth Cave National Park, Kentucky, USA.

Flowstone forms abstract shapes in Mammoth Cave National Park, which was established in 1941 in Edmonson County, Kentucky, USA and was declared a UNESCO World Heritage Site in 1981 and international Biosphere Reserve 1990. With over 390 miles (630 km) of passageways, the Mammoth-Flint Ridge Cave System is the longest known in the world. Mammoth Cave developed in thick Mississippian-aged limestone strata capped by a layer of Big Clifty Sandstone. Descending limestone layers include the Girkin Formation, Saint Genevieve Limestone, and Saint Louis Limestone.

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Filename: 10MAM-062.jpg
Copyright: © Tom Dempsey / Photoseek.com
Image Size: 4000x2719 / 3.2MB; http://www.photoseek.com/; cave history pattern abstract
Contained in galleries: USA: Kentucky: Mammoth Cave

Flowstone forms abstract shapes in Mammoth Cave National Park, which was established in 1941 in Edmonson County, Kentucky, USA and was declared a UNESCO World Heritage Site in 1981 and international Biosphere Reserve 1990. With over 390 miles (630 km) of passageways, the Mammoth-Flint Ridge Cave System is the longest known in the world. Mammoth Cave developed in thick Mississippian-aged limestone strata capped by a layer of Big Clifty Sandstone. Descending limestone layers include the Girkin Formation, Saint Genevieve Limestone, and Saint Louis Limestone.