everything.study
12.491

Advanced Seminar in Geology and Geochemistry: Organic Geochemistry

Graduate · Historical course

Spring 2012 · Non-conventional Light Stable Isotope Geochemistry

This course is designed for graduate students with an interest in using primary research literature to discuss and learn about current research around non-conventional light stable isotope geochemistry.

Readings

Fall 2007 · Biogeochemistry of Sulfur

This course is designed for advanced undergraduate and graduate students with an interest in using primary research literature to discuss and learn about current research around sulfur biogeochemistry and astrobiology.

Readings

  • Schauble, E. A. “Applying Stable Isotope Fractionation Theory to New Systems.” Reviews in Mineralogy and Geochemistry 55 (2004): 65-111.
    Listed reading
  • Canfield, D. E. “Biogeochemistry of Sulfur Isotopes.” Reviews in Mineralogy and Geochemistry 43 (2001): 609-636.
    Listed reading
  • Mangalo, M., R. U. Meckenstock, W. Stichler, and F. Einsiedl. “Stable Isotope Fractionation During Bacterial Sulfate Reduction is Controlled by Reoxidation of Intermediates.” Geochimica et Cosmochimica Acta 71 (2007): 4161-4171.
    Listed reading
  • Johnston, D. T., J. Farquhar, and D. E. Canfield. “Sulfur Isotope Insights in to Microbial Sulfate Reduction: When Microbes Meet Models.” Geochimica et Cosmochimica Acta 71 (2007): 3929-3947.
    Listed reading
  • Canfield, D. E., C. A. Olesen, and R. P. Cox. “Temperature and its Control of Isotope Fractionation by a Sulfate-reducing Bacterium.” Geochimica et Cosmochimica Acta 70 (2006): 548-561.
    Required
  • Bottcher, M. E., and B. Thamdrup. “Anaerobic Sulfide Oxidation and Stable Isotope Fractionation Associated with Bacterial Sulfur Disproportionation in the Presence of MnO2.” Geochimica et Cosmochimica Acta 65 (2001): 1573-1581.
    Required
  • Turchyn, A. V., and D. P. Schrag. “Oxygen Isotope Constraints on the Sulfur Cycle Over the Past 10 Million Years.” Science 303 (2004): 2004-2007.
    Required
  • Wortmann, U. G., B. Chernyavsky, S. M. Bernasconi, B. Brunner, M. E. Bottcher, and P. K. Swart. “Oxygen Isotope Biogeochemistry of Pore Water Sulfate in the Deep Biosphere: Dominance of Isotope Exchange Reactions with Ambient Water During Microbial Sulfate Reduction (ODP Site 1130).” Geochimica et Cosmochimica Acta 71 (2007): 4221-4232.
    Required
  • Turchyn, A. V., O. Sivan, and D. P. Schrag. “Oxygen Isotopic Composition of Sulfate in Deep Sea Pore Fluid: Evidence for Rapid Sulfur Cycling.” Geobiology 4 (2006): 191-201.
    Required
  • Canfield, D. E. “A New Model for Proterozoic Ocean Chemistry.” Nature 396 (1998): 450-453.
    Listed reading
  • Logan, G. A., J. M. Hayes, G. B. Hieshima, and R. E. Summons. “Terminal Proterozoic Reorganization of Biogeochemical Cycles.” Nature 376 (1995): 53-56.
    Listed reading
  • Riccardi, A. L., M. A. Arthur, and L. R. Kump. “Sulfur Isotopic Evidence for Chemocline Upward Excursions During the End-Permian Mass Extinction.” Geochimica Et Cosmochimica Acta 70 (2006): 5740-5752.
    Listed reading
  • Riccardi, A., L. R. Kump, M. A. Arthur, and S. D’Hondt. “Carbon Isotopic Evidence for Chemocline Upward Excursions During the End-Permian Event.” Palaeogeography Palaeoclimatology Palaeoecology 248 (2007): 73-81.
    Listed reading
  • Hotinski, R. M., K. L. Bice, L. R. Kump, R. G. Najjar, and M. A. Arthur. “Ocean Stagnation and End-Permian Anoxia.” Geology 29 (2001): 7-10.
    Listed reading
  • Hotinski, R. M., L. R. Kump, and K. L. Bice. Comment on “Could the Late Permian Deep Ocean have been Anoxic?’’ by R. Zhang et al. Paleoceanography 17 (2002).
    Listed reading
  • Kump, L. R., A. Pavlov, and M. A. Arthur. “Massive Release of Hydrogen Sulfide to the Surface Ocean and Atmosphere During Intervals of Oceanic Anoxia.” Geology 33 (2005): 397-400.
    Listed reading
  • Anbar, A. D., G. L. Arnold, T. W. Lyons, and J. Barling. Response to comment on “Molybdenum Isotope Evidence for Widespread Anoxia in Mid-Proterozoic Oceans.” Science 309 (2005).
    Listed reading
  • Anbar, A. D., and A. H. Knoll. “Proterozoic Ocean Chemistry and Evolution: A Bioinorganic Bridge?” Science 297 (2002): 1137-1142.
    Listed reading
  • Arnold, G. L., A. D. Anbar, J. Barling, and T. W. Lyons. “Molybdenum Isotope Evidence for Widespread Anoxia in Mid-proterozoic Oceans.” Science 304 (2004): 87-90.
    Listed reading
  • Johnston, D. T., B. A. Wing, J. Farquhar, A. J. Kaufman, H. Strauss, T. W. Lyons, L. C. Kah, and D. E. Canfield. “Active Microbial Sulfur Disproportionation in the Mesoproterozoic.” Science 310 (2005): 1477-1479.
    Listed reading
  • Johnston, D. T., S. W. Poulton, P. W. Fralick, B. A. Wing, D. E. Canfield, and J. Farquhar. “Evolution of the Oceanic Sulfur Cycle at the End of the Paleoproterozoic.” Geochimica et Cosmochimica Acta 70 (2006): 5723-5739.
    Listed reading
  • Holser, W. T., and I. R. Kaplan. “Isotope Geochemistry of Sedimentary Sulfates.” Chemical Geology 1 (1966): 93-135.
    Listed reading
  • Garrels, R. M., and A. Lerman. “Phanerozoic Cycles of Sedimentary Carbon and Sulfur.” Proceedings of the National Academy of Sciences of the United States of America 78 (1981): 4652-4656.
    Listed reading
  • Canfield, D. E. “The Evolution of the Earth Surface Sulfur Reservoir.” Am J Sci 304 (2004): 839-861.
    Listed reading
  • Kurtz, A. C., L. R. Kump, M. A. Arthur, J. C. Zachos, and A. Paytan. “Early Cenozoic Decoupling of the Global Carbon and Sulfur Cycles.” Paleoceanography 18 (2003).
    Listed reading
  • Berner, R. A. “GEOCARBSULF: A Combined Model for Phanerozoic Atmospheric O 2 and CO 2 .” Geochimica Et Cosmochimica Acta 70 (2006): 5653-5664.
    Listed reading
  • Canfield, D. E., and A. Teske. “Late Proterozoic Rise in Atmospheric Oxygen Concentration Inferred from Phylogenetic and Sulphur-Isotope Studies.” Nature 382 (1996): 127-132.
    Listed reading
  • Kah, L. C., T. W. Lyons, and T. D. Frank. “Low Marine Sulphate and Protracted Oxygenation of the Proterozoic Biosphere.” Nature 431 (2004): 834-838.
    Listed reading
  • Turchyn, A. V., and D. P. Schrag. “Oxygen Isotope Constraints on the Sulfur Cycle Over the Past 10 Million Years.” Science 303 (2004): 2004-2007.
    Listed reading
  • Wortmann, U. G., B. Chernyavsky, S. M. Bernasconi, B. Brunner, M. E. Bottcher, and P. K. Swart. “Oxygen Isotope Biogeochemistry of Pore Water Sulfate in the Deep Biosphere: Dominance of Isotope Exchange Reactions with Ambient Water During Microbial Sulfate Reduction (ODP Site 1130).” Geochimica et Cosmochimica Acta 71 (2007): 4221-4232.
    Listed reading
  • Turchyn, A. V., O. Sivan, and D. P. Schrag. “Oxygen Isotopic Composition of Sulfate in Deep Sea Pore Fluid: Evidence for Rapid Sulfur Cycling.” Geobiology 4 (2006): 191-201.
    Listed reading
  • Ohmoto, H., T. Kakegawa, and D. R. Lowe. “3.4-Billion-Year-Old Biogenic Pyrites from Barberton, South Africa; Sulfur Isotope Evidence.” Science 262 (1993): 555-557.
    Listed reading
  • Shen, Y., R. Buick, and D. E. Canfield. “Isotopic Evidence for Microbial Sulphate Reduction in the Early Archaean Era.” Nature 410 (2001): 77-81.
    Listed reading
  • Farquhar, J., J. Savarino, T. L. Jackson, and M. H. Thiemens. “Evidence of Atmospheric Sulphur in the Martian Regolith from Sulphur Isotopes in Meteorites.” Nature 404 (2000c): 50-52.
    Listed reading
  • Farquhar, J., H. M. Bao, and M. Thiemens. “Atmospheric Influence of Earth’s Earliest Sulfur Cycle.” Science 289 (2000a): 756-758.
    Listed reading
  • Ono, S., W. C. Shanks Iii, O. J. Rouxel, and D. Rumble. “S-33 Constraints on the Seawater Sulfate Contribution in Modern Seafloor Hydrothermal Vent Sulfides.” Geochimica et Cosmochimica Acta 71 (2000c): 1170-1182.
    Listed reading
  • Ohmoto, H., and A. C. Lasaga. “Kinetics of Reactions Between Aqueous Sulfates and Sulfides in Hydrothermal Systems.” Geochimica et Cosmochimica Acta 46 (1982): 1727-1745.
    Listed reading
  • Bach, W., and K. J. Edwards. “Iron and Sulfide Oxidation Within the Basaltic Ocean Crust: Implications for Chemolithoautotrophic Microbial Biomass Production.” Geochimica Et Cosmochimica Acta 67 (2003): 3871-3887.
    Listed reading
  • D’hondt, S., B. B. Jorgensen, D. J. Miller, A. Batzke, R. Blake, B. A. Cragg, H. Cypionka, G. R. Dickens, T. Ferdelman, K. U. Hinrichs, N. G. Holm, R. Mitterer, A. Spivack, G. Z. Wang, B. Bekins, B. Engelen, K. Ford, G. Gettemy, S. D. Rutherford, H. Sass, C. G. Skilbeck, I. W. Aiello, G. Guerin, C. H. House, F. Inagaki, P. Meister, T. Naehr, S. Niitsuma, R. J. Parkes, A. Schippers, D. C. Smith, A. Teske, J. Wiegel, C. N. Padilla, and J. L. S. Acosta. “Distributions of Microbial Activities in Deep Subseafloor Sediments.” Science 306 (2004): 2216-2221.
    Listed reading
  • Farquhar, J., J. Savarino, S. Airieau, and M. H. Thiemens. “Observation of Wavelength-Sensitive Mass-Independent Sulfur Isotope Effects During SO 2 Photolysis: Implications for the Early Atmosphere.” Journal of Geophysical Research 106 (2001): 1-11.
    Listed reading
  • Ono, S., J. L. Eigenbrode, A. A. Pavlov, P., D. Rumble, J. F. Kasting, and K. H. Freeman. “New Insights in to Archean Sulfur Cycle from Mass-Independent Sulfur Isotope Records from the Hamersley Basin, Australia.” Earth and Planetary Science Letters 213 (2003): 15-30.
    Listed reading
  • Pavlov, A. A., and J. F. Kasting. “Mass-Independent Fractionation of Sulfur Isotopes in Archean Sediments: Strong Evidence for an Anoxic Archean Atmosphere.” Astrobiology 2 (2002): 27-41.
    Listed reading
  • Bekker, A., H. D. Holland, P. L. Wang, D. Rumble, H. J. Stein, J. L. Hannah, L. L. Coetzee, and N. J. Beukes. “Dating the Rise of Atmospheric Oxygen.” Nature 427 (2004): 117-20.
    Listed reading
  • Ohmoto, H., Y. Watanabe, H. Ikemi, S. R. Poulson, and B. E. Taylor. “Sulphur Isotope Evidence for an Oxic Archaean Atmosphere.” Nature 442 (2006): 908-911.
    Listed reading
  • Ono, S., N. J. Beukes, D. Rumble, and M. L. Fogel. “Early Evolution of Atmospheric Oxygen from Multiple-Sulfur and Carbon Isotope Records of the 2.9 Ga Mozaan Group of the Pongola Supergroup, Southern Africa.” South African Journal of Geology 109 (2006): 97-108.
    Listed reading
  • Brimblecombe, P. “The Global Sulfur Cycle.” Treatise on Geochemistry 8 (2003): 645-682.
    Listed reading
  • Ohmoto, H., and M. B. Goldhaber. “Sulfur and Carbon Isotopes.” In Geochemistry of Hydrothermal Ore Deposits . Edited by H. L. Barnes. New York: John Wiley & Sons, 1997. ISBN: 9780471571445.
    Listed reading
Fall 2005

Topics

  • Introductory Remarks; Course Structure and Content
  • Acetogenic Lipids and their Fossil Counterparts; Chain-length, Branching Systematics and Isotopic Compositions - Indicators of Biological Sources; Algeanans; Functional Roles; Branched Alkanes with Quaternary Carbon Centers (BAQCs); Geological Patterns of Occurrence
  • Seminar on Biomarkers and Earth’s Redox History
  • Isoprenoid Lipids; Biosynthesis; Isomerism and other Structural Aspects; Archaeal and Non-archaeal Sources; Structure vs. Physiology; Bicyclic and Tricyclic Isoprenoids; other Cyclised Polyprenoids; Geological Record
  • Seminar on Acyclic Isoprenoids
  • Analytical Techniques for Biomarker Analysis
  • Continued Lecture on Analytical Techniques
  • Steroids; Biosynthetic Issues; Formation by Bacteria and Eukaryotes; Role of Oxygen
  • Seminar on Steroids
  • Continuing Lecture on Steroids
  • Seminar on Isotopic and Molecular Indicators for a Biogenic Origin of Organic Matter
  • Mono-, Sesqui-, di- and Triterpenoids 1; Biosynthetic Issues; Bacteria and Eukaryotes; Bacteriohopanepolyols (BHP); Analytical Issues; Phylogeny and Physiology vs. Structure; BHP to Hopane Diagenesis; Biomarkers for Source, Maturity of OM
  • Seminar on Triterpenoids
  • Diterpenoids and Triterpenoids 2; Plant-derived Terpenoids; Biomarkers for an Evolving Ocean Plankton
  • Pigment-derived Biomarkers; Porphyrins and Carotenoids
  • Seminar on the Permian-Triassic Boundary Extinction
  • Seminar on Pigment-derived Biomarkers
  • Diagenesis and Catagenesis; OM Preservation; Kerogen Formation
  • Petroleum Formation, Occurrence and Characterization
  • Seminar on Neoproterozoic Glaciations
  • Seminar on Atmospheric Oxygen Evolution, Paleo-ocean Chemistry, and Biomarkers
  • Kerogen; Experimental Approaches to Classification and Structural Analysis; Rock Eval; Pyrolysis and Chemical Degradation

Readings

  • Engel, M. H., and S. A. Macko, eds. Organic Geochemistry Principles and Applications . Springer; 1 edition, 1993. ISBN: 9780306443787.
    Listed reading
  • Hayes, J. M. “Fractionation of the isotopes of carbon and hydrogen in biosynthetic processes.” In Stable Isotopic Geochemistry . Edited by J. W. Valley and D. R. Cole. Reviews in Mineralogy and Geochemistry 43 (2001): 225-278.
    Listed reading
  • Peters, K. E., Walters, and J. M. Moldowan. The Biomarker Guide . Vols. 2. Cambridge, UK: Cambridge University Press, 2005. ISBN: 9780521781589, 9780521837620.
    Listed reading
  • Fahy, E., et al. “A comprehensive classification system for lipids.” J Lipid Research 46 (2005): 839-861.
    Listed reading
  • WEEK: 1 · READINGS: Allard, B., M.-N. Rager, and J. Templier. “Occurrence of high molecular weight lipids (C 80+ ) in the trilaminar outer cell walls of some freshwater microalgae. A reappraisal of algaenan structure.” Org Geochem 33 (2002): 789-801.
    Reading assignment
  • Derenne, S., and C. Largeau. “A review of some important families of refractory macromolecules: composition, origin and fate in soils and sediments.” Soil Science 166 (2001): 833-847.
    Listed reading
  • Gelin, F., I. Boogers, A. A. M. Noordeloos, J. S. Sinninghe Damsté, R. Riegman, and J. W. de Leeuw. “Resistant biomacromolecules in marine microalgae of the classes Eustigmatophyceae and Chlorophyceae: geochemical implications.” Org Geochem 26, no. 11-12 (1997): 659-675.
    Listed reading
  • Köster, J., J. K. Volkman, S.-B. Rullkötter, B. M., J. Rethmeier, and U. Fischer. “Mono-, di- and trimethyl-branched alkanes in cultures of the filamentous cyanobacterium Calothrix scopulorum.” Org Geochem 30 (1999): 1367-1379.
    Listed reading
  • Rieley, G., J. W. Collister, B. Stern, and G. Eglinton. “Gas chromatography/isotope ratio mass spectrometry of leaf wax n-alkanes from plants of differing carbon dioxide metabolisms.” Rapid Communications in Mass Spectrometry 7 (1993): 488-491.
    Listed reading
  • Tegelaar, E. W., J. W. de Leeuw, S. Derenne, and C. Largeau. “A reappraisal of kerogen formation.” Geochim Cosmochim Acta 53 (1989): 3103-3106.
    Listed reading
  • WEEK: 2 · READINGS: Hayes, J. M. “Fractionation of the isotopes of carbon and hydrogen in biosynthetic processes.” In Stable Isotopic Geochemistry. Edited by J. W. Valley and D. R. Cole. Reviews in Mineralogy and Geochemistry 43 (2001): 225-278.
    Reading assignment
  • WEEK: 3 · READINGS: Kates, M. “Membrane lipids of Archaea.” In The Biochemistry of Archaea (Archaebacteria). Edited by M. Kates, K. D. J, and A. T. Matheson. Elsevier Science, 1993, pp. 261-295.
    Reading assignment
  • Sinninghe Damsté, J. S., W. I. C. Rijpstra, E. C. Hopmans, F. G. Prahl, S. G. Wakeham, and S. Schouten. “Distribution of membrane lipids of planktonic Crenarchaeota in the Arabian Sea.” Applied and Environmental Microbiology 68 (2002): 2997-3002.
    Listed reading
  • Tornabene, T. G., T. A. Langworthy, G. Holzer, and V. Oro. “Squalenes, phytanes and other isoprenoids as major neutral lipids of methanogenic and thermoacidophilic archaebacteria.” J Mol Evol 13 (1979): 73-83.
    Listed reading
  • Volkman, J. K., and J. R. Maxwell. “Acyclic isoprenoids as biological markers.” In Biological Markers and the Sedimentary Record. Edited by R. B. Johns. New York, NY: Elsevier, 1986, pp. 1-42.
    Listed reading
  • Woese, C. R., O. Kandler, and M. L. Wheelis. “Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya.” Proc Natl Acad Sci U.S.A. 87 (1990): 4576-4579.
    Listed reading
  • Michaelis, W., R. Seifert, K. Nauhaus, T. Treude, V. Thiel, M. Blumenberg, K. Knittel, A. Gieseke, K. Peterknecht, T. Pape, A. Boetius, R. Amann, B. B. Jørgensen, F. Widdel, J. Peckmann, N. V. Pimenov, and M. B. Gulin. “Microbial reefs in the Black Sea fueled by anaerobic oxidation of methane.” Science 297 (2002): 1013-1015.
    Listed reading
  • Thiel, V., M. Blumenberg, T. Pape, R. Seifert, and W. Michaelis. “Unexpected occurrence of hopanoids at gas seeps in the Black Sea.” Org Geochem 34 (2003): 81-87.
    Listed reading
  • Thiel, V., J. Peckmann, R. Seifert, P. Wehrung, J. Reitner, and W. Michaelis. “Highly isotopically depleted isoprenoids: molecular markers for ancient methane venting.” Geochim Cosmochim Acta 63, no. 23/24 (1999): 3959-3966.
    Listed reading
  • McLafferty, F. W. Interpretation of Mass Spectra . New York, NY: WA Benjamin, 1967, chapters 1-4. ISBN: 9780805370478.
    Listed reading
  • WEEK: 5 · READINGS: Anders, E. “Pre-biotic organic matter from comets and asteroids.” Nature 342 (1989): 255-257.
    Reading assignment
  • Bada, J. L., J. R. Cronin, M.-S. Ho, K. A. Kvenvolden, J. G. Lawless, S. L. Miller, J. Oro, and S. Steinberg. “On the reported optical activity of amino acids in the Murchison meteorite.” Nature 301 (1983): 494-497.
    Listed reading
  • Cronin, J. R., and S. Pizzarello. “Enantiomeric excesses in meteoritic amino acids.” Science 275 (1997): 951-955.
    Listed reading
  • Engel, M. H., and S. A. Macko. “Isotopic evidence for extraterrestrial non-racemic amino acids in the Murchison meteorite.” Nature 389 (1997): 265-268.
    Listed reading
  • Pizzarello, S., and J. R. Cronin. “Non-racemic amino acids in the Murchison and Murray meteorites.” Geochim Cosmochim Acta 64 (2000): 329-338.
    Listed reading
  • Sephton, M. A., and I. Gilmour. “Compound specific isotope analysis of the organic constituents in carbonaceous chondrites.” Mass Spectrometry Reviews 20 (2001): 111-120.
    Listed reading
  • Eglinton, T. I., B. C. Benitez-Nelson, A. Pearson, A. P. McNichol, J. E. Bauer, and E. R. M. Druffel. “Variability in radiocarbon ages of individual organic compounds from marine sediments.” Science 277 (1997): 796-799.
    Listed reading
  • WEEK: 6 · READINGS: Summons, R. E., and M. R. Walter. “Molecular fossils and microfossils of prokaryotes and protists from Proterozoic sediments.” Am J Sci 290-A (1990): 212-244.
    Reading assignment
  • WEEK: 8 · READINGS: Volkman, J. K. “Sterols and other triterpenoids: source specificity and evolution of biosynthetic pathways.” Organic Geochemistry 36 (2005): 139-159.
    Reading assignment
  • Xie, S., et al. “Two episodes of microbial change coupled with Permo/Triassic faunal mass extinction.” Nature 434 (2005): 494-497.
    Listed reading
  • WEEK: 9 · READINGS: Xie, Shucheng, Richard D. Pancost, Hongfu Yin, Hongmei Wang, and Richard P. Evershed. “Two episodes of microbial change coupled with Permo/Triassic faunal mass extinction.” Nature 434 (March 24, 2005): 494-497.
    Reading assignment
  • Grice, Kliti, et al. “Photic Zone Euxinia During the Permian-Triassic Superanoxic Event.” Science 307, no. 5710 (February 4, 2005): 706-709.
    Listed reading
  • Jin, Y. G., et al. “Pattern of Marine Mass Extinction Near the Permian-Triassic Boundary in South China” Science 289, no. 5478 (July 21, 2000): 432-436.
    Listed reading
  • Knoll, A. H., R. K. Bambach, D. R. Canfield, and J. P. Grotzinger. “Comparative Earth History and Late Permian Mass Extinction.” Science 273, no. 5274 (July 26, 1996): 452-457.
    Listed reading
  • WEEK: 12 · READINGS: Sinninghe Damsté, J. S., M. Strous, W. I. C. Rijpstra, E. C. Hopmans, J. A. J. Geenevasen, A. C. T. van Duin, L. A. van Niftrik, and M. S. M. Jetten. “Linearly concatenated cyclobutane lipids form a dense bacterial membrane.” Nature 419 (2002): 708-712.
    Reading assignment
  • Sinninghe Damsté, J. S., S. Schouten, and A. C. T. van Duin. “Isorenieratene derivatives in sediments: possible controls on their distribution.” Geochim Cosmochim Acta 65 (2001): 1557-1571.
    Listed reading
  • Calver, Clive R., Lance P. Black, John L. Everard, and David B. Seymour. “U-Pb zircon age constraints on late Neoproterozoic glaciation in Tasmania.” Geology 32, no. 10 (2004): 893-896.
    Listed reading
  • Hoffman, P. F., A. C. Maloof, and G. P. Halverson. “On the Syn-glacial Sedimentary Record of Snowball Earth: Tales of Three Ice-mass Types.” American Geophysical Union Spring Meeting, 2004. (Abstract #U21B-02.)
    Listed reading
  • Kaufman, A. J., A. H. Knoll, and G. M. Narbonne. “Isotopes, ice ages, and terminal Proterozoic earth history.” Proceedings of the National Academy of Sciences 94 (1997): 6600-6605.
    Listed reading
  • Kennedy, M. J., B. Runnegar, A. R. Prave, C. Hoffmann, and M. A. Arthur. “Two or four Neoproterozoic glaciations.” Geology 26 (1998): 1059-1063. (Special Report.)
    Listed reading
  • WEEK: 13 · READINGS: Catling, D. C., and M. W. Claire. “How Earth’s atmosphere evolved to an oxic state: a status report.” Earth and Planetary Science Letters 237 (2005): 1-20.
    Reading assignment
  • Sreenivas, B., and T. Murakami. “Emerging views on the evolution of atmospheric oxygen during the Precambrian.” Journal of Mineralogical and Petrological Sciences 100 (2005): 184-201.
    Listed reading
  • Kump, L. R., and W. E. Seyfried. “Hydrothermal Fe fluxes during the Precambrian: effect of low oceanic sulfate concentrations and low hydrostatic pressure on the compostion of black smokers.” Earth and Planetary Science Letters 235 (2005): 654-662.
    Listed reading
  • Brocks, J. J., G. D. Love, R. E. Summons, A. H. Knoll, G. A. Logan, and S. A. Bowden. “Biomarker evidence for green and purple sulphur bacteria in a stratified Paleoproterozoic sea.” Nature 437 (2005): 866-870.
    Listed reading
  • WEEK: 14 · READINGS: Seminar readings only.
    Reading assignment
Sources