Department of Earth Science |Northeastern Illinois University

ESCI 340
Spring, 2007

Daily Objectives #3  (January 16, 2007)                                                                                  Dr. Sanders

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

From last week...

* Respond appropriately to the list of skills in
What should you bring to this course?


* Name and give concise definitions of the three major classes of rocks.  For each one, list subgroups and describe their formation and important characteristics. 

* Examining hand samples of various types of rocks, construct reasonable hypotheses as to how they formed; classify them according to your hypotheses.

* Suggest why some of the specific properties of these rocks might be of importance to a geotechnical engineer.


* Describe the importance of discontinuities (bedding planes, schistocity, folds, joints, and fractures) in engineering analysis.

Sediments and Soil

* Considering the different goals and purposes of geologists and geotechnical engineers, write definitions of "soil", "sediment", and "rock" that would be suitable for each group.

* Describe the characteristics of six different environments of soil formation mentioned in the textbook.

    (residual, glacial, alluvial, lacustrine, aeolian, and colluvial soils)

Testing Your Knowledge

* Answer "Questions and Practice Problems", p. 32-33:  Problems 2.1, 2.2, 2.3, 2.4,
and 2.5.

* Answer "Comprehensive Questions and Practice Problems", p. 45:  Problems 2.13 through 2.19.  In answering the problem assigned to you, discuss it first with a partner, then present to your colleagues the following information:
            --Location of the study site
            --Sketch of a geologic cross section, plan view map, or other representation of the important geological aspects of the situation.
            --A brief summary of the question/problem posed
            --Your response
            --Any further geologic considerations that might be important.

Department of Earth Science | Northeastern Illinois University

© 2007 Laura L. Sanders.  Last updated January 16, 2007.