Views of the Mahantango
A thoroughly unprofessional look at the natural world beneath our feet.
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Showing posts with label
Coburn Formation
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Showing posts with label
Coburn Formation
.
Show all posts
Wednesday, August 22, 2012
Ordovician fossils from the Coburn formation
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Ordovician aged fossiliferous rock exposures are somewhat uncommon in Pennsylvania. Most of the exposed rocks are Devonian to Pennsylvanian ...
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