1

Late Paleozoic Era:Environmental and

Tectonic Events

Sea Level and Cratonic Sequences

Mississippian Sedimentation Patterns Mississippian Madison Limestone, MT

Pennsylvanian Sedimentation Patterns Transgression/Regression Cycles

2

PennsylvanianCyclothem in the

Central US

PennsylvanianCyclothem Stratigraphy

and Sea Level

Tectonic Events Clustered in Permian AlleghenianOrogeny:The Final

AppalachianMountain

Building Event

Alleghenian Orogeny Ouachita Orogeny

3

PermianBasins

Delaware Basin

WesternTectonics:Antler andSonoma

Orogenies

Pangaea CausesWarm, Dry

Climates