Geology 103 (Sedimentology and Stratigraphy)

 

California State University, Sacramento

 

Week 15:

Modern and ancient reefs,

Dolomitization and carbonate diagenesis

 

Objectives:

Upon completion of this unit students should be able to:

  • Diagram and discuss the facies that Longman used to describe a modern, mature coral reef
  • Summarize the major time periods in geologic history when reefs were common
  • Discuss the differences in biological constituents as reefs changed through time
  • Define diagenesis
  • Discuss the chemical and mineralogic reactions that lead to the precipitation of protodolomite

    

    

Reading Assignments:

Lecture 24: Modern and ancient reefs- Boggs, 5th edition, pp. 321-328

 

Lecture 25: Carbonate diagenesis and dolomite formation- Boggs, 5th edition, pp. 147-158

 

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 24 notes

Lecture 25 notes

     

Graphics from lectures:

Lecture 24 graphics

Lecture 25 graphics

   

Lab this week-

 

The lab final this week will be open book, open notes.  You will not be allowed to use a cell phone, laptop or other internet access.  Anything you can carry into the room may be used as a resource. 

  

Review for the final exam-

 

The final exam is comprehensive.  You should review your notes, assigned readings, on-line objectives, labs, field trips, and any other material that we covered in class.  This study guide will help you focus on questions from the carbonate section of the class. 

 

Carbonate study guide

 

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

 

2007 final

2008 final 

2009 final 

2010 final 

2011 final