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GEOL 325: Appalachian Basin University of South Carolina Spring 2005

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GEOL 325: Appalachian Basin University of South Carolina Spring 2005. Appalachians – Geology at Work. Professor Chris Kendall EWS 304 [email protected] 777.2410. Appalachian Basin. Field Trip Route. Appalachian Mountains. After Nasa.

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GEOL 325: Appalachian BasinUniversity of South CarolinaSpring 2005

Appalachians – Geology at Work

Professor Chris Kendall

EWS 304

[email protected]

777.2410

slide6
& Deposition

ROCK CYCLE

slide7
Rock Cycle & Plate Tectonics

After Dennis. Tassa

slide8
The Earth has a molten interior on which the crust and mantle float

Crust 3-70 km

Mantle 2900 km

Core 3486 km

appalachians exhibit wilson cycle
Appalachians exhibit Wilson Cycle
  • Plate tectonic theory divides earth’s crust into plates
  • Plates diverge apart or rift & a new ocean basin forms
  • Plate motion reverses & convergence causes collision, & mountain building
  • The Wilson Cycle records plate motion opening & closing of ocean basins in the rock record
slide12
After Lynn S. Fichter

Pre-Cambrian

Cambrian

E. Ordovician

L. Ordovician

L. Devonian

Mississippian

Pennsylvanian

Silurian & E. Devonian

Permian

slide32
Devonian on the Craton!

After Lynn S. Fichter

slide33
Devonian on the Craton!

After Lynn S. Fichter

slide34
Catskills – Delta Margin

After Lynn S. Fichter

slide39
Mississippian Pocono Formation

After Lynn S. Fichter

slide53
Rock Cycle

After Dennis. Tassa

slide54
Appalachian

Cycle

After Lynn S. Fichter

appalachian cycle
Appalachian Cycle
  • Cambrian & Early Ordovician Extension
  • Late Ordovician, Silurian & Devonian collision
  • Mississippian quiescence & then the initiation of further collision
  • Pennsylvanian and Permian Mid continent Mountain chain
  • Mesozoic & Cenozoic Extension of Atlantic margin
lecture ends
Lecture Ends!!
  • And so to lunch
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