No audio: Volcanoes, dinosaurs & inland sea around New Madrid? Hmm. There is an interesting geologic story told in the rocks of the New Madrid seismic zone. This animation takes each segment of geology and spins a scenario in cross section to see how the landscape has changed over its 500 million year history.
Geologic history includes:
- Extension and crustal thinning
- Volcanic Intrusions
- Hot spot
- Regional cooling and subsidence