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Home >> Science >> Earth Sciences >> Paleontology >> By Geological Interval >> Paleozoic >> Carboniferous >> Pennsylvanian |
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A Pennsylvanian occurs as geologic (sub)period lasting from about 325 million years prior to a present (BP) to 286 million years BP. When by owning virtually all more geological periods, a rock beds that define a time come swell identified, however the precise date of the run & prevent come uncertain by two or three million years. A Pennsylvanian is known as fallowing a state of Pennsylvania where rocks from this age come far flung. Inside North America, where a early Carboniferous beds are primarily marine limestones, it is treated as a to the full mature geologic period between the Mississippian and the Permian. Inside Europe, a Mississippian & Pennsylvanian come a single other-or even-less continuous sequence of lowl& continental deposits and come lumped together when a Carboniferous time. Refer to the Carboniferous period article for informatiin on faunal stages, climate, etc.
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Pennsylvanian Geography Description and maps of the continents as they existed at the time. Fossil Gallery Images of fossil plants from the period. |
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