Geochimica et Cosmochimica Acta, 1999, V 63, N 22, November.

Joel E. Kostka, Jun Wu, Kenneth H. Nealson, Joseph W. Stucki, T
he impact of structural Fe(III) reduction by bacteria on the surface
chemistry of smectite clay minerals, 
pp. 3705-3713

Patricia M. Dove, The dissolution kinetics of quartz in
aqueous mixed cation solutions, 
pp. 3715-3727


Steffen Burkhardt, Ulf Riebesell, Ingrid Zondervan, 
Effects of growth rate, CO2 concentration, and cell size on the
stable carbon isotope fractionation in marine phytoplankton, 
pp. 3729-3741

Rubén Ocampo, Julian P. Sachs, Daniel J. Repeta,
Isolation and structure determination of the unstable 132,
173-Cyclopheophorbide a enol from recent sediments,
pp. 3743-3749

Arndt Schimmelmann, Michael D. Lewan, Robert P. Wintsch, 
D/H isotope ratios of kerogen, bitumen, oil, and water in hydrous pyrolysis of
source rocks containing kerogen types I, II, IIS, and III, 
pp. 3751-3766


Géraldine Sarret, Jacques Connan, Masoud Kasrai, G.Michael Bancroft, 
Armelle Charrié-Duhaut, Sylvie Lemoine, Pierre Adam,
Pierre Albrecht, Laurent Eybert-Bérard, 
Chemical forms of sulfur in geological and archeological asphaltenes from
Middle East, France, and Spain determined by sulfur K- and
L-edge X-ray absorption near-edge structure spectroscopy, 
pp. 3767-3779

B. Bühn12, A.H. Rankin, Composition of natural,
volatile-rich Na--Ca--REE-Sr carbonatitic fluids trapped in fluid inclusions,
pp. 3781-3797

jorn O. Mysen, Mark Acton, 
Water in H2O-saturated magma--fluid systems: solubility behavior in
K2O--Al2O3--SiO2--H2O
to 2.0 GPa and 1300°C, 
pp.3799-3815

Art. A. Migdisov, A.E. Williams-Jones, O.M. Suleimenov,
Solubility of chlorargyrite (AgCl) in water vapor at elevated temperatures and
pressures,  
pp. 3817-3827

Kåre Kullerud, Muriel Erambert, 
Cl-scapolite, Cl-amphibole, and plagioclase equilibria in ductile shear zones
at Nusfjord, Lofoten, Norway: implications for fluid compositional evolution
during fluid-mineral interaction in the deep crust, 
pp. 3829-3844

Peter W. Reiners, Kenneth A. Farley, Helium diffusion and
(U--Th)/He thermochronometry of titanite, 
pp. 3845-3859

ian-Kun Sha, Bruce W. Chappell, 
Apatite chemical composition, determined by electron microprobe and
laser-ablation inductively coupled plasma mass spectrometry, as a probe into
granite petrogenesis, 
pp.3861-3881

RM. Bedini, J.-L. Bodinier, 
Distribution of incompatible trace elements between the constituents of
spinel peridotite xenoliths: ICP-MS data from the East African rift,
pp. 3883-3900

anne Blichert-Toft, Francis Albarède, Minik Rosing,
Robert Frei, David Bridgwater2, 
The Nd and Hf isotopic evolution of the mantle
through the Archean. results from the Isua supracrustals, West Greenland, and
from the Birimian terranes of West Africa, 
pp. 3901-3914

ark Rehkämper, A.N. Halliday, J.G. Fitton, D.-C. Lee, M.
Wieneke, N.T. Arndt, 
Ir, Ru, Pt, and Pd in basalts and komatiites: new constraints for the
geochemical behavior of the platinum-group elements in the mantle, 
pp. 3915-3934

David J. Des Marais, 
Introduction of John M. Hayes for the 1998 Alfred E. Treibs Award, 
pp. 3935-3936