Trilobite Fossils of Ohio The Devonian Silica Shale ...
The park has two dig sites and a trail around the quarry. It is also staffed with knowledgable people that will help identify your finds. Families and Groups find lots of fossils, mainly brachiopods and corals. No tools are allowed to split the shale. If you want to split, get a larger rock and pound the smaller rock with it, like a caveman!