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Lower Pennsylvanian
(redirected from Early Pennsylvanian)

   Also found in: Wikipedia 0.03 sec.
Lower Pennsylvanian [′lō·ər ‚pen·səl′vā·nyən]
(geology)
The earliest epoch of the Pennsylvanian period of geologic time, beginning about 310,000,000 years ago.


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Maps currently under construction will show the interval-by-interval depositional limits that document the onlap that occurred during early Pennsylvanian transgression in the Illinois Basin.
 
 
 
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