Department of Earth Science |Northeastern Illinois University

INTRODUCTION TO EARTH SCIENCE
ESCI 121
Section 06
Fall 2008

Daily Objectives #11 (September 30, 2008)

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

IGNEOUS ROCKS (Review)

w Examine the igneous rocks in the rock box.  Classify and describe them based on their composition and texture.  Show that you can describe the following rocks:

            basalt                andesite          rhyolite       
            gabbro              diorite              granite       
            obsidian           pumice            scoria

THE ROCK CYCLE

w Put it all together!  Using rock samples and chalk, create a concept map that demonstrates your understanding of the processes involved in the rock cycle.