THE PENNSYLVANIAN The Age of Coal Swamps Beginning of Absaroka Sequence Regression of Kaskaskia Erosion took place Large regional unconformity THE PENNSYLVANIAN The Age of Coal Swamps Beginning of Absaroka Sequence Seas of Absaroka encroach in in Middle Penns Deposits to east are thicker Terrestrial ss sh coal beds THE PENNSYLVANIAN The Age of Coal Swamps Pennsylvanian Cyclothems Transgressive regressive events Alternation between marine and nonmarine sediments Represents a change in depositional environment caused by a single advance and retreat of sea THE PENNSYLVANIAN The Age of Coal Swamps Pennsylvanian Cyclothems THE PENNSYLVANIAN The Age of Coal Swamps Pennsylvanian Cyclothems Correlated over large areas 50 cyclothems recorded in Missouri and Kansas All about 750 m in thickness 1000 s of kilometers2 Eustatic sea level change caused by advance and retreat of continental glaciers THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies Fountain Formation Flatirons Boulder CO THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies Paradox Valley CO UT THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ancestral Rockies THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ouachita Mountains THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ouachita Mountains THE PENNSYLVANIAN The Age of Coal Swamps Southwest Portion of Craton Ouachita Mountains Mississippi Embayment Southern Appalachians THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Calamites L Lepidodendron M Sigillaria A Reconstructions of Lepidodendron far left Late Carboniferous 50 m tall Sigillaria left Late Carboniferous 40 m Valmeyerodendron middle top Early Carboniferous 0 6 m Protolepidodendron top right Middle Devonian 0 2 m Chaloneria bottom middle Late Carboniferous 2 m Pleuromeia bottom right Triassic 2 m and Isoetes bottom far right extant 30 cm THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Insects THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Lagerstatten Mazon Creek IL Lepidodendron Fern THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Lagerstatten Joggins NS THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Lagerstatten Joggins NS plants THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Lagerstatten Joggins NS first reptiles THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Lagerstatten Joggins NS insects THE PENNSYLVANIAN The Age of Coal Swamps Life in the Pennsylvanian Lagerstatten Joggins NS First terrestrial gastropods THE PERMIAN The Age of Pangaea Named for Permia an ancient kingdom between the Urals and the Volga River Named by Murchison in 1841 THE PERMIAN THE PERMIAN Alleghenian Orogeny continues THE PERMIAN Sonoman Orogeny THE PERMIAN THE PERMIAN THE PERMIAN THE PERMIAN El Capitan Capitan Ls Guadalupe Mountains TX THE PERMIAN Castille Fm evaporited Guadalupe Mountains TX THE PERMIAN Reptiles Dimetrodon Mammal like Reptiles THE PERMIAN Eggs Amniotic egg allowed Organisms to become terrestrial THE PERMIAN Plants Glossopteris THE PERMIAN Permian Extinction THE TRIASSIC The Break up of Pangaea Three fold division of rocks in Germany Named by Frederich von Alberti in 1834 THE TRIASSIC THE TRIASSIC Absaroka Sea continues to retreat Triassic is very terrestrial Period THE TRIASSIC THE TRIASSIC THE TRIASSIC THE TRIASSIC THE TRIASSIC Joshua Chamberlain left Little Round Top Battle of Gettysburg 3 July 1863 THE TRIASSIC Chinle Formation Petrified Forest National Park THE TRIASSIC Chinle Formation Painted Desert THE TRIASSIC Triassic Reptiles Mammal like THE TRIASSIC Triassic Reptiles Diversification of dinosaurs Coelophysis Dilophosaurus THE TRIASSIC First Marine Reptiles THE TRIASSIC Mammals Evolve