COURSE SYLLABUS

GEOL 719 Geochemical Modeling Methods

3 credit hours

Spring 2000

M 10-10:50am LMR269

WF 10:00am – 1:00pm LMR351

Instructor: Dr. Gina Tempel (email gina@mines.unr.edu)

Office: LMR268

Hours: most weekdays from 3-5pm or by appointment; phone: 784-4706

Texts:

Geochemical Reaction Modeling, Craig M. Bethke

EQ6, A Computer Program for Reaction Path Modeling of Aqueous Geochemical Systems: Theoretical Manual, User’s Guide, and Related Documentation (Version 7.0) Thomas Wolery and Stephanie Daveler

Grading:

12-15 page term paper 35%

25 minute oral presentation on term paper topic 15%

Lab exercises 35%

Class discussion 15%

Course Grade Policies:

· Turn in lab exercises on time; results should be presented clearly and logically. Use graphical methods whenever needed to explain your results.

· Produce a well-organized paper detailing a geochemical modeling solution of the problem of your choice.

· Present your term paper topic as though you were giving a paper at the annual meeting of any professional society.

Schedule of Topics

The week of:

1. January 17:

Lecture and discussion: Introduction to geochemical modeling, conceptual models, uncertainty (Chap. 2; Bethke).

2. January 24:

Lecture and discussion: Review of geochemical terms, basis species, choosing a basis, chemical potential, activity, and fugacity (Chap. 3 and 7)

Lab #1: Introduction to EQ3NR

3. January 31:

Lecture and discussion: Governing equations, phase rule, equilibrium models of natural waters (Chap. 5 and 6)

Lab #4: Species distribution and saturation indices calculated using EQ3NR

4. February 7:

Lecture and discussion: Mass transfer (Chap. 11)

Lab #3: Introduction to EQ6

5. February 14:

Lecture and discussion: Polythermal, fixed, and sliding paths (Chap. 12)

Lab #4: Reaction paths involving pressure and temperature changes

6. February 21:

Lecture and discussion: Geochemical buffers (Chap. 13)

Lab #5: Reaction paths involving mineral reactions

7. February 28:

Lecture and discussion: Geochemical kinetics (Chap. 14)

Lab #6: Precipitation and dissolution rate laws

8. March 6:

Lecture and discussion: Hydrothermal and geothermal fluids (Chaps. 16 and 17)

Lab #7: Water mixing problem

9. March 13:

Lecture and discussion: Evaporation

Lab #8: Reaction paths involving evaporation

10. March 20:

Spring break!

11. March 27:

Lecture and discussion: Sediment diagenesis (Chap. 19)

Lab #9: Introduction to SUPCRT and modification of databases

12. April 3:

Lecture and discussion: Mine pit lake modeling

Lab: "Workshop on the Characterization, Modeling, Monitoring, and Remediation of Pit Lakes", Sands Regency Casino Hotel, Reno, Nevada, April 4-6.

13. April 10:

Lecture and discussion: Acid drainage (Chap. 23)

Lab #10: Modeling sorption

14. April 17: Independent study

15. April 24: Independent study

16. May 1: Presentations

17. May 5: Presentations from 9:45 to 11:45 am