Plate Tectonics

4/11/01


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Table of Contents

Plate Tectonics

Margin Types (I)

Margin Types (II)

Pangaea

Similarity of Fossil Forms

Break Up of Pangaea

Pangaea in the Cretaceous

Pangaea in the Early Cenozoic

Today

Pangaea the Supercontinent

Plate Tectonics

Divergent Margins

Spreading Centers

Initiation of Rifting

Formation of a New Ocean

Magnetic Strategraphy

Variation in the Ages of Oceans

What Drives the Plates?

Rates of Sea Floor Spreading

The Atlantic Ocean Basin

The Ophiolite Package

Pillow Lavas

Topography of the Sea Floor

Convergent Margins

Convergent Margin- Island Arc

Convergent Margin- Trench

Convergent Margin- Suture

Himalayan Suture Zone

Transform Margin

Rifted Continental Margin (I)

Rifted Continental Margin (II)

Hot Spots

Accretion of a Microplate

Assemblying California

Large Convection Cells

Slab Push and Slab Pull

Hot Plume Model

Author: John C Butler

Email: jbutler@uh.edu