Yale Geology & Geophysics, Mantle Geochemistry, G&G755a, Fall 2003

Meets: Monday 3:30-5:00 pm, KGL 228

Background and reference material/additional reading:

Bill White’s excellent on-line Geochemistry text

Bill White’s excellent on-line lecture notes for Isotope Geochemistry

Date: Monday 15 September

Topic: Crash course in mantle isotope geochemistry and geodynamic implications

Readings:

1. Hofmann, A.W., 1997, Mantle Geochemistry: the message from oceanic volcanism, Nature, v. 385, p. 219-229

2. vanKeken, P.E., Hauri, E.H., and Ballentine, C.J., Mantle Mixing: The generation, preservation, and destruction of chemical heterogeneity, 2002, Ann. Rev. Earth Planet. Sci., v. 30, p. 493-525

3. Stuart, F.M., Lass-Evans, S., Fitton, J.G., and Ellam, R.M., 2003, High ³He/⁴He ratios in picritic basalts from Baffin Island and the role of a mixed reservoir in mantle plumes, Nature, v. 424, p. 57-59.

Date: Monday 22 September

Topic: Os isotopic composition of Hawaiian OIB: Recycled crust, core-mantle interaction, or…?

Readings:

1. Lassiter, J.C., and Hauri, E.H., 1998, Osmium-isotope variations in Hawaiian lavas: Evidence for recycled oceanic lithosphere in the Hawaiian plume, Earth Planet. Sci. Lett., v. 164, p. 483-496.

2. Brandon, A.D., Norman, M.D., Walker, R.J., and Morgan, J.W., 1999, ¹⁸⁶Os-¹⁸⁷Os systematics of Hawaiian picrites, Earth Planet. Sci. Lett., v. 174, p. 25-42.

Date: Monday 29 September

Topic:

Readings: Trace element partitioning

1. Blundy, J., and Wood, B., 2003, Partitioning of trace elements between crystals and melts, Earth Planet. Sci. Lett., v. 210, p. 383-397.

Date: Monday 6 October

Topic: Mantle heteorgeneity, melting columns, and observations from primitive basalts

Readings:

1. Reiners, P.W., 2002, Temporal-compositional trends in intraplate basalt eruptions: Implications for mantle heterogeneity and melting processes, Geochemistry Geophysics Geosystems, 10.1029/2001GC000250.

2. Hirschmann, M.M., and Stolper, E.M., 1996, A possible role for garnet pyroxenite in the “garnet signature” of MORB, Contributions to Mineralogy and Petrology, v. 124, p. 185-208.

Date: Monday 13 October

Topic: O-isotopes in the mantle and mantle-derived magmas

Readings:

Eiler, J.M., 2001, Oxygen isotope variations of basaltic lavas and upper mantle rocks, MSA Reviews in Mineralogy and Geochemistry Series, v. 43, p. 319-363. (unbound copy in copy room)

Date: Monday 20 October

Topic: Guest Lecturer: Dr. David Green, Australian National Univ.

Readings:

1. Greene, D.H., Falloon, T.J., Eggins, S.M., and Yaxley, D.M., 2001, Primary magmas and mantle temperatures, European Journal of Mineralogy, v. 13, p. 437-451.

Date: Monday 27 October

Topic: No class, RETREAT meeting

Readings:

Date: Monday 3 November

Topic: No class, GSA meeting

Readings:

Date: Monday 10 November

Topic: Guest Lecturer: Dr. Wendy Panero, Univ. of Michigan

Tentative Topic: Hydrogen Transport and Storage in the Lower Mantle: Perspectives from Experiment and Theory

Readings:

Date: Monday 17 November

Topic: MORB melting and dynamics

Readings:

1. Klein, E.M., Langmuir, C.H., 1987, Global correlations of ocean ridge basalt chemistry with axial depth and crustal thickness, Journal of Geophysical Research, v. 92, p. 8089-8115 (unbound copy in copy room).
2. (Optional): Michael, P.J., et al., 2003, Magmatic and amagmatic seafloor generation at the ultraslow-spreading Gakkel Ridge, Arctic Ocean, Nature, v. 423, p. 956-961.
3. (Optional): Klein, E.M., Spread thin in the Arctic, Nature, v. 423, p. 932-933 (News & Views for Michael et al. 2003).

Date: Monday 24 November

Topic:

Readings:

Date: Monday 1 December

Topic: Guest Lecturer: Dr. Takehiko Hiraga, Tohoku University

Tentative Topic: The role of grain boundaries on trace element partitioning

Readings:

Date: Monday 8 December (AGU)

Topic:

Readings:

Last Updated: 3 October 2003