Class Notes (835,108)
Canada (508,934)
Lecture 12

Lecture 12 - Plate Tectonics

2 Pages
156 Views
Unlock Document

Department
Earth Sciences
Course
Earth Sciences 1022A/B
Professor
Stephen R Hicock
Semester
Fall

Description
Lecture 12 NotesPlate Tectonics y Continental Drift and Paleomagnetism o Magnetic minerals act like fossil compass needles pointing to where paleo magnetic poles used to be o Divergent polar wandering paths show that continents drifted apart y Seafloor Spreading moves seafloor away from oceanic ridges toward ocean trenches y Geomagnetic Reversals magnetic poles have reversed polarity striped sea floor gets older away from oceanic ridges y Rigid plates of the lithosphere y Plate Tectonics o 7 major plates of the rigid lithosphere ride on plastic asthenosphere o Interactions of plates cause earthquakes volcanoes and mountain building y Plate Boundaries o Divergent plates move apartsea
More Less

Related notes for Earth Sciences 1022A/B

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit