Introduc)on*to*Geology*

12.001*–*5*September*2012*

1

Grotzinger*&*Jordan,*Understanding+Earth+

How old is Earth, and how did it form?

Courtesy of NASA. Image in the public domain.

2

What’s on the inside, and how do we know?

Grotzinger*&*Jordan,*Understanding+Earth+3

© W. H. Freeman and Company. All rights reserved. This content is excluded from our CreativeCommons license. For more information, see http://ocw.mit.edu/help/faq-fair-use/.

Were the continents always arranged as they are today?

Tanya*Atwater,*UCSB*

4Courtesy of Tanya Atwater. Used with permission.

How do mountains form and erode away?

Valle*de*Ordesa,*Spanish*Pyrenees*5

How do we do geology on other planets?

NASA/JPL/Cornell+6

Courtesy of NASA. Image in the public domain.

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12.001 Introduction to GeologyFall 2013

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