1. Scientists have dated this region to the Cambrian or Pennsylvanian period . 2. In mid-1912 she delivered her results, finding for the Pennsylvanian period of the Carboniferous. 3. The Big South Fork begins in Tennessee at the confluence of the Pennsylvanian Period . 4. He proposed that all of the continents were once connected together during the Pennsylvanian Period . 5. The area surrounding Moccasin Gap is Pennsylvanian period . 6. During the Pennsylvanian Period the Ozark Plateau was uplifted as a result of the Ouachita orogeny. 7. Fountain Formation was formed during the Pennsylvanian period of the Paleozoic era, 290 296 million years ago. 8. This sea-level drop and the associated unconformity in North America separate the Mississippian Period from the Pennsylvanian period . 9. The mountains are generally composed of Paleozoic sandstones and shales of the Pennsylvanian period , formed roughly 300 million years ago. 10. This fossil bed includes well-preserved fossils from the Pennsylvanian period of the Paleozoic era and is a world-famous Lagerst�tten site.
Mobile