Geochimica et Cosmochimica Acta, 1999, V 63, N 6, July.


Jean C.C. Hsieh, Crayton J. Yapp, 
Stable carbon isotope budget of CO2 in a wet,
modern soil as inferred from Fe(CO3)OH in pedogenic goethite: 
possible role of calcite dissolution, 
pp. 767-783

Eric H. Oelkers, Jacques Schott, 
Experimental study of kyanite dissolution rates as a function of 
chemical affinity and solution composition,  
pp. 785-797

Libby Stern, W. Troy Baisden, Ronald Amundson, 
Processes controlling the oxygen isotope ratio of 
soil CO2: analytic and numerical modeling,  
pp. 799-814

Yoshio Takahashi, Yoshitaka Minai, Shizuko Ambe, Yoshihiro Makide, 
Fumitoshi Ambe, Comparison of adsorption behavior of multiple inorganic 
ions on kaolinite and silica in the presence of humic 
acid using the multitracer technique,  
pp. 815-836

N.R. Urban, K. Ernst, S. Bernasconi, 
Addition of sulfur to organic matter during early diagenesis of 
lake sediments,  
pp. 837-853

Christophe Lecuyer, Patricia Grandjean, Simon M.F. Sheppard, 
Oxygen isotope exchange between dissolved phosphate and water 
at temperatures ≤135°C: inorganic versus biological 
fractionations,  
pp. 855-862

Oleg S. Pokrovsky, Jacques Schott, Fabien Thomas, 
Processes at the magnesium-bearing carbonates/solution interface. 
I. a surface speciation model for magnesite,  
pp. 863-880

Oleg S. Pokrovsky, Jacques Schott, 
Processes at the magnesium-bearing carbonates/solution interface. 
II. kinetics and mechanism of magnesite dissolution.,  
pp. 881-897

Yuji Sano, Kentaro Terada, Hiroshi Hidaka, Kazumi Yokoyama, Allen P. Nutman, 
Palaeoproterozoic thermal events recorded in the ~4.0 Ga Acasta gneiss, Canada: 
evidence from SHRIMP U-Pb dating of apatite and zircon,  
pp. 899-905

Paul B. Tomascak, Fouad Tera, Rosalind T. Helz, Richard J. Walker, 
The absence of lithium isotope fractionation during basalt differentiation: 
new measurements by multicollector sector ICP-MS,  
pp. 907-910

Tom E. McCandless, Joaquin Ruiz, B. Ivan Adair, Claire Freydier, 
Re-Os isotope and Pd/Ru variations in chromitites from the Critical Zone, 
Bushveld Complex, South Africa,  
pp. 911-923

E. Polnau, O. Eugster, U. Kr¨ahenb¨uhl, K. Marti, 
Evidence for a precompaction exposure to cosmic rays in a chondrule 
from the H6 chondrite ALH76008,  
pp. 925-933

Mark Rehkämper, Alex N. Halliday, 
The precise measurement of Tl isotopic compositions by MC-ICPMS: 
Application to the analysis of geological materials and meteorites,  
pp. 935-944

J.C. Bridges, I.A. Franchi, A.S. Sexton, C.T. Pillinger, 
Mineralogical controls on the oxygen isotopic compositions of UOCs,  
pp. 945-951

Jianhua Wang, Andrew M. Davis, Robert N. Clayton, Akihiko Hashimoto, 
Evaporation of single crystal forsterite: evaporation kinetics, 
magnesium isotope fractionation, and implications of mass-dependent 
isotopic fractionation of a diffusion-controlled reservoir,  
pp. 953-966