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The Pennsylvanian time period
Pennsylvanian rocks are only preserved in the Eastern and Western Kentucky Coal Fields, although all of Kentucky was probably covered by Pennsylvanian sediments at one time. Erosion has completely removed Pennsylvanian rocks from all areas but the co (More)
Pennsylvanian Period!
The Pennsylvanian Period is the younger of the two subsystems of the Carboniferous Period and even though it\'s still undetermined, scientists believe it lasted from 323.2 to 298.0 million years ago and was about 25 million years long. The flora of t (More)
Pennsylvanian Period
Absolute Date: 318-299 mya Geology tectonics: Towards the end of the Pennsylvanian period, the super continent Pangea began to form. Separate continents Siberia and Larussia as well as Gondwana collided which connected all the continents forming P (More)
What you have never heard about from the Pennsylvanian period in time.
    What you did not know about the pennsylvanian period is right here before your eyes! The absolute date of the Pennsylvanian period is between 299-323 m.y.a. That\'s quite the long time if I do say so myself! More)

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