GEOL 325 Lecture 22 Appalachians GEOL 325: Appalachian Basin University of South Carolina Spring 2005 Professor Chris Kendall EWS 304

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Presentation transcript:

GEOL 325 Lecture 22 Appalachians GEOL 325: Appalachian Basin University of South Carolina Spring 2005 Professor Chris Kendall EWS 304 Appalachians – Geology at Work

GEOL 325 Lecture 22 Appalachians Appalachian Basin

GEOL 325 Lecture 22 Appalachians Field Trip Route

GEOL 325 Lecture 22 Appalachians Appalachian Mountains After Nasa

GEOL 325 Lecture 22 Appalachians Appalachian Basin – Ridge & Valley & Cumberland Plateau After Nasa

GEOL 325 Lecture 22 Appalachians & Deposition

GEOL 325 Lecture 22 Appalachians Rock Cycle & Plate Tectonics After Dennis. Tassa

GEOL 325 Lecture 22 Appalachians The Earth has a molten interior on which the crust and mantle float Crust 3-70 km Mantle 2900 km Core 3486 km

GEOL 325 Lecture 22 Appalachians Mosaic of Drifting Rigid Plates After Dennis. Tassa

GEOL 325 Lecture 22 Appalachians 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

GEOL 325 Lecture 22 Appalachians Appalachians

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter Pre-Cambrian Cambrian E. Ordovician L. Ordovician Silurian & E. Devonian L. Devonian Mississippian Pennsylvanian Permian

GEOL 325 Lecture 22 Appalachians

After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Appalachian Basin - Cambrian

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians

Ordovician Margin of Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Appalachian Basin – E Ordovician After Ron Blakey

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians

After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Late Silurian Early Devonian Margin of Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians

After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Devonian on the Craton! After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Devonian on the Craton! After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Catskills – Delta Margin After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Appalachian Basin – Early Devonian After Ron Blakey

GEOL 325 Lecture 22 Appalachians After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Mississippian Pocono Formation After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Appalachian Basin – Late Mississippian After Ron Blakey

GEOL 325 Lecture 22 Appalachians

Appalachian Basin - Pennsylvanian After Ron Blakey

GEOL 325 Lecture 22 Appalachians Appalachian Basin

GEOL 325 Lecture 22 Appalachians Gulf of Carpentaria After NASA

GEOL 325 Lecture 22 Appalachians Appalachian Basin - Permian After Ron Blakey

GEOL 325 Lecture 22 Appalachians

After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians

After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians

After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians Rock Cycle After Dennis. Tassa

GEOL 325 Lecture 22 Appalachians Appalachian Cycle Appalachian Cycle After Lynn S. Fichter

GEOL 325 Lecture 22 Appalachians 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

GEOL 325 Lecture 22 Appalachians Appalachians

GEOL 325 Lecture 22 Appalachians Lecture Ends!!  And so to lunch

GEOL 325 Lecture 22 Appalachians