Not to know the events which happened before one was born,
that is to remain always a boy.
- Cicero
Plate tectonics events
Laurentia plate
Baltica plate
Siberia plate
Iapetus Sea
How is orientation and location of a continent determined?
Paleomagnetic compasses (iron)Transgressian - Regression sequences (in stratigraphic order)
Fossil provinces
TejasSauk Sequence
Zuni
Absaroka
Kaskaskia
Tippecane
Sauk
found in Grand Canyon, Arizona (in stratigraphic order)Tippecanoe Sequence (in stratigraphic order)
Muav Limestone
Bright Angel Shale
Tapeat Sandstone
Cincinatti area limestonesTaconic Orogeny
St. Peter Sandstone
Clastic wedge
Useful links:
Earth Science Picture of the Day
Return to Historical Geology syllabus