Ge 143 - Organic Geochemistry
Dr. Alex Sessions, Fall 2006

The Latest (last updated 27-Nov)
Last week of classes! The first draft of your research prospectus is due Friday, Dec 1.
Final exam is self-scheduled, Dec 4-8. Time limit will be 3 hours.
General Info
Lecture 0 (Sept. 25) - Introduction to Organic Geochemistry
Lecture 1 (Sep. 27, 29) - Organic Structure, Bonding, and Nomenclature
Lecture 2 (Sep. 29, 31) - Polarity and Solubility
- Lecture 2 slides
- Tables of solvent properties (a useful reference)
- Required reading: Organic Chemistry (Wade, 1995) pp59-68
- Recommended reading for lab: Organic Chem Lab Survival Manual (Zubrick, 1992) Ch 15-16
Lecture 3 (Oct 4, 6) - Chromatographic theory
- (no slides for this lecture)
- Recommended reading: McNair & Miller, Basic Gas Chromatography, Chapters 1, 2, and 3.
Lecture 4 (Oct 9) - Mass spectrometry
- (no slides for this lecture)
- Required reading: ESI FT-ICR MS; Characterization of complex environmental samples (Kujawinski, 2002)
Lecture 5 (Oct 11) - Analytical Methods for Organic Matter
Lecture 6 (Oct 13) - Organic Matter in the Solar System (G. Blake guest lecture)
Lecture 7 (Oct 16) - Prebiotic Chemistry
- Lecture 7 slides
- Required reading: K&K, Chapter 1
- Required reading: Stepwise evolution of early life driven by energy conservation (Ferry & House, 2006)
- Extra reading: The prebiotic synthesis of organic compounds on early Earth (Stanley Miller, Ch. 30 in Macko & Engel text, which is on reserve)
Lecture 8 (Oct 18) - Bulk Composition of Organic Matter
Lecture 9 (Oct 20) - Carbohydrates
- Lecture 9 slides
- Required reading: K&K, Sections 2.2-2.3
- Required reading: Stable hydrogen isotope ratios in beetle chitin (Grocke et al, 2006)
Lecture 10 (Oct 23, 25) - Acetogenic lipids
Lecture 11 (Oct 27, Nov 1) - Isoprenoid lipids
Lecture 12 (Nov 3) - Case studies: Isoprenoids in Action
Lecture 13 (Nov 6) - Pigments
- Lecture 13 slides
- Required reading: K&K p 56-62, 175-179
- Sedimentary pigments as markers for environmental change in an Antarctic lake (Squier et al, 2002)
- Biomarker evidence for green and purple sulphur bacteria in a stratified Palaeoproterozoic sea (Brocks et al, 2005)
Lecture 14 (Nov 8) - Resistant Biopolymers
Lecture 15 (Nov 10) - The preservation of organic matter
Lecture 16 (Nov 13) - Stable isotopes in organic geochemistry
- Lecture 16 slides
- Required reading: K&K Section 5.8
- Practice and principles of isotopic measurements in organic geochemistry. (Hayes, 1983)
- Extra reading: Isotope-ratio detection for gas chromatography. (Sessions, 2006)
Lecture 17 (Nov 15) - Carbon isotopes in organic matter
- Lecture 17 slides
- Required reading: Fractionation of the isotopes of carbon and hydrogen in biosynthetic processes. (Hayes, 2001)
- Extra reading: Factors controlling 13C contents of sedimentary organic compounds: Principles and evidence. (Hayes, 1993)
Lecture 18 (Nov 20) - Hydrogen isotopes in organic matter
Lecture 19 (Nov 27) - Diagenesis of organic matter
Lecture 20 (TBD) - Petroleum geochemistry
- Lecture 20 slides
- Required reading: K&K pp 144-167
- Required: Sulphur-radical control on petroleum formation rates (Lewan, 1998)
- Extra reading: Petrleum Geochemistry and Geology (Hunt, 1996; on reserve in library)
Lecture 21 (TBD) - Biomarkers for ancient environments
Lecture 22 (TBD) - Fossil carbon in modern environments
- Lecture 22 slides
- Required reading: The fate of ancient sedimentary organic carbon in a modern sedimentary system. (Blair et al, 2003)
- Required: Evidence for microbial assimilation of ancient organic carbon during shale weathering. (Petsch et al, 2001)
- Extra reading: New directions in black carbon organic geochemistry. (Masiello, 2004)