EGEO Powerpoints

Powerpoints come in two formats. Either more image

heavy “Enhanced Art” powerpoints…

Essentials of Geology 4th Edition

Stephen Marshak

Enhanced Art Slides edited by: Rick Oches, Professor of Geology

Bentley University, Waltham, Massachusetts

Eruption style: will it flow or will it blow?

Two major eruption styles are controlled by magma composition. Effusive eruptions are mostly basaltic and produce lava flows. Explosive eruptions are mainly rhyolitic; they blow up.

Interlude C

© 2013, W. W. Norton

Fig. 8.20

R-waves are the last to arrive. The land surface undulates like ripples across a pond. These waves usually last longer than the other kinds. R-waves cause extensive damage.

Earthquake waves arrive in a distinct sequence with different motions.

© 2013, W. W. Norton

And more text heavy standard Lecture Powerpoints..

Metamorphic Environments

Geology at a Glance

Essentials of Geology, 4th edition, by Stephen Marshak © 2013, W. W. Norton ! Chapter 7: Metamorphism: A Process of Change!

We also provide files of all the figures in the book with labels

Essentials of Geology, 4th Edition Copyright © 2013, W.W. Norton & Company

Essentials of Geology, 4th Edition Copyright © 2013, W.W. Norton & Company

Essentials of Geology, 4th Edition Copyright © 2013, W.W. Norton & Company

…and figures with the same figures labels removed