“Geological Disasters: Agents of Chaos”
Exam #1 – Review
Earth and Solar System
1) Origin of Solar System
• nebular theory
• inner and outer planets
2) Building Planet Earth
• accretion and heat
• differentiation
• composition
• layering: core, mantle, crust
Plate Tectonics
1) Structure:
•
lithosphere
•
asthenosphere
•
oceanic vs. continental plates
2) Margins types and processes
•
convergent
•
divergent
•
transform
3) Mechanisms
• drag
• gravity: push/pull
4) Cycles: super-continent breakup
Historical
5) Continental Drift
6) Sea-floor spreading
