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AGS / Education / Geology Resources / Physiographic Regions / Ozark Plateaus / Geology


The geology of the Ozark Plateau Region is characterized by slightly southward-dipping sedimentary rock deposited mostly by shallow marine seas from the Ordovician through the Pennsylvanian Period.  Caves and sinkholes are common in limestones of the Springfield Plateau with less karst development in the dolostones in the Salem Plateau.  The Boston Mt. Plateau surface contains mostly sandstones and shales deposited by south/southwestward flowing streams during times of low sea level.

Cross section of the Ozark Plateau


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Arkansas Geological Survey
Vardelle Parham Geology Center
3815 West Roosevelt Road
Little Rock, AR 72204
Phone: 501-296-1877 | Fax: 501-663-7360
Business Hours: Monday - Friday 8:00am - 4:30pm

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