Department of Earth Science |Northeastern Illinois University

ESCI 121
Spring 2007

Daily Objectives #12
(February 26, 2007)                                                                        Dr. Sanders

By the end of today’s class, you should be able to do the following:

* Describe the three agents of metamorphism (heat, pressure. and chemically active fluids) and explain the changes they can bring about in a rock.

* Describe the plate tectonic settings in which metamorphic rocks form.

* Explain what foliation is, tell what causes it, and give examples of three foliated metamorphic rocks.

* Describe and give the names of three non-foliated metamorphic rocks.

* Sketch a diagram illustrating how rocks of each of the three major classes can be altered by Earth processes to form new rocks.  On your diagram, be sure to distinguish between materials and processes.  Put boxes around the materials, and show the processes with arrows.

* Explain the rock cycle.

Department of Earth Science | Northeastern Illinois University

© 2007 Laura L. Sanders.  Last updated February 26, 2007.