What are the unusually shaped rocks?

Joni Bender | Oct 9, 2018 | Category: Park in Delaware, Ohio

Shale Hollow Park - All questions

Address: 6320 Artesian Run, Delaware, OH 43015, USA

Dustin Mollenkopf | Oct 9, 2018

Concretions

Susan Hagan | Oct 9, 2018

Concretions. Formed when calcite material formed around organic matter such as a sharks tooth. The concretions settled into sediment which eventually was compressed into shake. Over time, erosion wears away the shake exposing the harder concretions.

Patti McCain | Oct 9, 2018

Organic matter that sedent built around when the glacier came thru

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