formation of the appalachian mountains. a plate tectonic...

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  • Formation of the

    Appalachian Mountains.

    A plate tectonic history.

  • Figure 10.2: Global paleogeography for the

    Cambrian period

  • Figure 10.14: Global paleogeography for the

    Ordovician period

  • Figure 10.19: Global paleogeography for the

    Early Devonian period

    Laurussia

  • Figure 10.28: Global paleogeography for the

    Late Permian Period

    Laurussia

  • Sequence of

    events

    responsible

    for the

    Taconic

    orogeny

  • Sequence of events responsible for the

    Taconic orogeny

  • Figure 10.15 Appalachian terranes

  • Satellite image of

    the southern

    Appalachians;

    false color.

    Smoky Mtns.

    (=Blue Ridge)

    Thrust sheets

  • Satellite image

    of central

    Appalachians

    Potomac River

    Shenandoah

    or Great

    Valley

    Valley and

    Ridge

    Blue Ridge

    WV

  • Sideling Hill Syncline on I-68, Maryland

  • Anticlinorium formed by thrust sheet.

    Syncline formed by sag between thrust

    sheets.

    Sideling Hill

    syncline

  • Modern topography formed from Cenozoic

    uplift and erosion

    Cretaceous

    Paleocene

    Oligocene

    Holocene

  • North America Through Time

  • jan.ucc.nau.edu/~rcb7/

    Cambrian

  • jan.ucc.nau.edu/~rcb7/

    Middle

    Ordovician

  • jan.ucc.nau.edu/~rcb7/

    Late

    Ordovician

  • jan.ucc.nau.edu/~rcb7/

    Silurian

  • jan.ucc.nau.edu/~rcb7/

    Early

    Devonian

  • jan.ucc.nau.edu/~rcb7/

    Late

    Devonian

  • jan.ucc.nau.edu/~rcb7/

    Early

    Carboniferous

  • jan.ucc.nau.edu/~rcb7/

    Late

    Carboniferous

  • jan.ucc.nau.edu/~rcb7/

    Permian

  • jan.ucc.nau.edu/~rcb7/

    Triassic

  • jan.ucc.nau.edu/~rcb7/

    Early

    Jurassic

  • jan.ucc.nau.edu/~rcb7/

    Middle

    Jurassic

  • jan.ucc.nau.edu/~rcb7/

    Late

    Jurassic

  • jan.ucc.nau.edu/~rcb7/

    Early

    Cretaceous

  • jan.ucc.nau.edu/~rcb7/

    Middle

    Cretaceous

  • jan.ucc.nau.edu/~rcb7/

    Late

    Cretaceous