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Today GUEST LECTURER Eriks Puris Overview Mesozoic Geology Adding Pieces to the Collage. Figure 23.02: Divisions of the Mesozoic Era and key geologic events. Mesozoic Geology. Global Tectonics Climate Orogenies in Western North America. Fig. 23.03 a: Early Triassic (250 m.y.a).

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Slide2 l.jpg

  • Today

    • GUEST LECTURER Eriks Puris

    • Overview Mesozoic Geology

    • Adding Pieces to the Collage



Mesozoic geology l.jpg
Mesozoic Geology events

  • Global Tectonics

  • Climate

  • Orogenies in Western North America







Ice house and green house worlds l.jpg

Ice House and Green House Worlds m.y.a)

W. W. Norton. After Kump et al., 1999


West coast orogenies l.jpg
West Coast Orogenies m.y.a)

  • Sonoman

  • Cordillearan

    • Nevadan

    • Sevier

    • Laramide


Figure 23 10 sonoman orogeny l.jpg
Figure 23.10 : Sonoman Orogeny m.y.a)

  • Late Permian-Early Tertiary

  • 250-225 m.y.a.

  • Westward Subduction

  • Accreation of Sonomia


Figure 23 10 nevadan orogeny l.jpg
Figure 23.10: Nevadan Orogeny m.y.a)

  • Late Jurrassic

  • 160-140 m.y.a.

  • Eastward Subduction

  • Granite Batholiths




Figure 23 12b sevier orogeny deformation l.jpg
Figure 23.12b: Sevier m.y.a)orogeny deformation




Sevier and laramide orogenies l.jpg
Sevier and Laramide Orogenies orogeny

  • Late Cretaceous

    • Sevier 100-80 m.y.a.

    • Laramide 80-60 m.y.a.

  • Continued Eastward Subduction

  • Fold and thrust belts

  • Basement Uplifts

  • Don’t Fit Simple Plate Tectonic Model

  • Shallow Subduction?


Fig 23 09 growth of west coast crustal terranes in the cordillera l.jpg
Fig.23.09: orogenyGrowth of West CoastCrustal terranes in the Cordillera


Adding pieces to the collage l.jpg
Adding Pieces to the Collage orogeny

  • Module 6

  • Northwest Origins Burke Museum

  • North Cascades Geology


For monday 11 29 l.jpg
For Monday 11/29 orogeny

  • Reading-Chapter 24


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