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 kilometers 2 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 Fern Lepidodendron
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
Alleghenian Orogeny continues
THE PERMIAN Sonoman Orogeny
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
Absaroka Sea continues to retreat Triassic is very terrestrial Period
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