CHICAGO ROCKS!  Geology in the City 
                                                                                 ESCI 109
                                                                              Spring 2010

An assignment is due today!

Daily Objectives #23
(April 6, 2010)                                                  J. Hemzacek and L. Sanders


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

w Describe and explain the reasons for changes in water level in glacial Lake Chicago, using evidence from the ISGS book to support your statements.

w Describe the geologic characteristics of the lake plain and the Zion beach-ridge plain, and explain how they were formed.

w Define the geologic term spit, tell in what environment a spit forms, and describe the geologic materials that would be deposited in a spit.

w Construct a plausible explanation for the formation of the topographic feature at Blue Island, supporting your argument with evidence.

Department of Earth Science | Northeastern Illinois University

Copyright 2010 Laura L. Sanders.  Last updated April 5, 2010.