ESC 115 Physical Geology

Outline for Test 2

Plate Tectonics
- Six sketches
- Volcanoes
  - Deadly Lake Nyos
  - Three locations
    - Subduction zones: Mt St Helens
    - Mid-oceanic ridges: Mid Atlantic Ridge
    - Mantle hot spots: Hawaii and Yellowstone
Louisiana Geology
- Opening the Gulf of Mexico
- Geology and Jazz
Igneous Environments
- Texture: intrusive and extrusive rocks
- Melting of rocks
- Volcanic necks
The Seafloor and Continental Margins
- Seeing into and under the oceanic
- Ocean-bottom characteristics
  - Spreading centers
  - Atolls
  - Continental margins
    - active margins
    - passive margins
    - glaciation
  - paleomagnetic striping
Mountains, Basins, and Continents
- Four types of mountain-building processes
  - Continent-continent collisions
  - Subduction zones
  - Isostatic rebound
  - Block faulting
- Climbing Mt Everest video
- Sketch of rock cycle tied to plate tectonics