Geology 103 (Sedimentology and Stratigraphy)

 

California State University, Sacramento

 

Week 10: Glacial deposition and

Eolian systems,

Review for midterm #2

Objectives:

Upon completion of this unit students should be able to:

  • Differentiate between valley glaciers, continental glaciers and piedmont glaciers

  • Discuss the factors that influence glacial advance and retreat

  • List times of major glaciation in Earth's history.

  • Identify sedimentary structures, fabric or grain size relations that are common in glacial environments.

  • Distinguish between different types of moraine, and discuss the origin of each.

  • Discuss the differences between terrestrial and marine glacial deposits.

  • Review for midterm #2 

    

Reading Assignments:

Lecture 15: Glacial deposition- Boggs, 5th edition, pp. 235-243

 

Lecture 16: Eolian systems- Boggs, 5th edition, pp. 220-228

 

Please fill out a reading log for this week.  Reading logs are due at the start of class on Wednesday.

 

Reading log

     

Class notes:

Lecture 15 notes

Lecture 16 notes

     

Graphics from lectures:

Lecture 15 graphics

Lecture 16 graphics

   

Test review:

Several approaches will help you succeed on the first midterm exam.  You should study your notes, review reading sections from the book, review lab material, and practice with old exams and study guide questions.

 

Copies of old exams are available to help review for the first midterm:

 

2007 midterm

2008 midterm 

2009 midterm 

2010 midterm 

2011 midterm 

 

You may find questions on the old exams that we did not cover in lecture, lab or readings.  You can ignore those questions.

 

Study guide for the first exam: 

Study guide for midterm #2

Questions on the study guide are similar to questions you can expect on the first midterm exam. 

 

Lab this week-

 

Sandstone petrography.  We will meet in the Petrography lab (Placer Hall rm. 1002).  Please remember- no drinks or food in the lab.

 

I will pass out a copy of the lab.  If you need another copy you can click here:

 

Sandstone petrography lab

 

We will look at these thin sections in class:

S-100, S-150 S-1000, Dakota ss. (similar slides):  Good examples of monocrystalline quartz, quartz overgrowths.

 

Dove Springs:  Good examples of clay cement, orthoclase, plagioclase, volcanic rock fragments

 

137:  Good examples of microcline

 

Due date:  start of lab, week 12.  You will have two weeks to complete this lab.  This lab will receive double credit. 

 

Grading:  Neatness counts!!  Part of your grade will be based on neatness and artistic drawings of sandstone composition and texture.  Use colored pencils as appropriate to show the different features.