the pennsylvanian the age of coal swamps beginning of absaroka sequence regression of kaskaskia...
Post on 19-Dec-2015
218 views
TRANSCRIPT
THE PENNSYLVANIANThe Age of Coal Swamps
Beginning of Absaroka Sequence
Regression of Kaskaskia
Erosion took place
Large regional unconformity
THE PENNSYLVANIANThe 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 PENNSYLVANIANThe 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 PENNSYLVANIANThe Age of Coal Swamps
Pennsylvanian Cyclothems
THE PENNSYLVANIANThe 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 PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
Fountain Formation – Flatirons, Boulder, CO
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
ParadoxValleyCO-UT
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ancestral Rockies
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ouachita Mountains
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ouachita Mountains
THE PENNSYLVANIANThe Age of Coal Swamps
Southwest Portion of Craton
Ouachita Mountains
Mississippi Embayment Southern Appalachians
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the Pennsylvanian
Calamites, LLepidodendron, MSigillaria, 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 PENNSYLVANIANThe Age of Coal Swamps
Life in the Pennsylvanian
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the Pennsylvanian
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianInsects
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianLagerstattenMazon Creek IL
Fern
Lepidodendron
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianLagerstattenJoggins, NS
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianLagerstattenJoggins, NS plants
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianLagerstattenJoggins, NS first reptiles
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianLagerstattenJoggins, NS insects
THE PENNSYLVANIANThe Age of Coal Swamps
Life in the PennsylvanianLagerstattenJoggins, NS First terrestrial gastropods
THE PERMIANThe Age of Pangaea
Named for Permia, an ancient kingdom between theUrals and the Volga River
Named by Murchison in 1841
THE PERMIAN
THE PERMIANAlleghenian Orogeny continues
THE PERMIANSonoman Orogeny
THE PERMIAN
THE PERMIAN
THE PERMIAN
THE PERMIAN
El CapitanCapitan Ls.
Guadalupe Mountains, TX
THE PERMIAN Castille Fm. evaporitedGuadalupe Mountains, TX
THE PERMIANReptiles
Dimetrodon
Mammal-like Reptiles
THE PERMIANEggsAmniotic egg allowedOrganisms to becometerrestrial
THE PERMIANPlants
Glossopteris
THE PERMIANPermian Extinction
THE TRIASSICThe Break-up of Pangaea
Three-fold division of rocks in Germany
Named by Frederich von Alberti in 1834
THE TRIASSIC
THE TRIASSICAbsaroka Sea continues to retreatTriassic is very terrestrial Period
THE TRIASSIC
THE TRIASSIC
THE TRIASSIC
THE TRIASSIC
THE TRIASSICJoshua Chamberlain, leftLittle Round Top, Battle of Gettysburg3 July, 1863
THE TRIASSICChinle Formation, Petrified Forest National Park
THE TRIASSICChinle Formation, Painted Desert
THE TRIASSICTriassic Reptiles
Mammal-like
THE TRIASSICTriassic Reptiles
Diversification of dinosaurs
Coelophysis
Dilophosaurus
THE TRIASSICFirst Marine Reptiles
THE TRIASSICMammals Evolve