Continental Drift and Plate Tectonics

Continental Drift and Plate Tectonics - Continental Drift...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Continental Drift and Plate Tectonics
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Take-Away Points 1. How we know plate tectonics happens 2. Most earthquakes and volcanoes occur along plate boundaries 3. New ocean crust is created along mid-ocean ridges 4. Old ocean crust is recycled at subduction zones 5. Subduction zones are where mountain-building (orogeny) occurs 6. Small pieces of crust (terranes) are important in building up continents 7. Hot spots are long lived stationary magma
Background image of page 2
Global Problems in Geology Distribution of Continents Mid-ocean Ridges Trenches Orogenic Belts Deformation Metamorphism Volcanism Earthquakes
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Development of Continental Drift Lots of people had noticed that the coastlines of Africa and South America are similar Frank Taylor (1910) Alfred Wegener (1912) Die Entstehung Der Kontinente Und Ozeane 1. How we know plate tectonics happens
Background image of page 4
The Permian Ice Age Problem 1. How we know plate tectonics happens
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Wegener’s Theory 1. How we know plate tectonics happens
Background image of page 6
Dating the Breaku p 1. How we know plate tectonics happens
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/08/2011 for the course GEO 121 taught by Professor Staff during the Fall '11 term at North South University.

Page1 / 41

Continental Drift and Plate Tectonics - Continental Drift...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online