Geochimica et Cosmochimica Acta, 2003, V 67, N 1, 1 January.

1.
Structural evidence for the sorption of Ni(II) atoms on the edges of 
montmorillonite clay minerals: a polarized X-ray absorption fine structure 
study, 
Rainer Da"hn, Andre' M. Scheidegger, Alain Manceau, Michel L. Schlegel,
Bart Baeyens, Michael H. Bradbury and Daniel Chateigner
Pages 1-15

2.
Standard states for the activities of mineral surface sites and species,
Dimitri A. Sverjensky
Pages 17-28

3.
Climatic and tectonic controls on chemical weathering in the New Zealand 
Southern Alps, 
Andrew D. Jacobson, Joel D. Blum, C. Page Chamberlain, Dave Craw and
Peter O. Koons
Pages 29-46

4.
Strontium isotope evolution of Late Permian and Triassic seawater, 
Christoph Korte, Heinz W. Kozur, Peter Bruckschen and Ja'n Veizer
Pages 47-62

5.
The persistence of memory: the fate of ancient sedimentary organic carbon in
a modern sedimentary system, 
Neal E. Blair, Elana L. Leithold, Shawn T. Ford, Kelly A. Peeler,
Jennifer C. Holmes and David W. Perkey
Pages 63-73

6.
XANES mapping of organic sulfate in three scleractinian coral skeletons,
Jean-Pierre Cuif, Yannicke Dauphin, Jean Doucet, Murielle Salome and Jean Susini
Pages 75-83

7.
Proton-binding study of standard and reference fulvic acids, humic acids,
and natural organic matter, 
Jason D. Ritchie and E. Michael Perdue
Pages 85-96

8.
The magmatic-hydrothermal evolution of two barren granites: a melt and fluid 
inclusion study of the Rito del Medio and Can~ada Pinabete plutons in northern 
New Mexico (USA), 
A. Aude'tat and T. Pettke
Pages 97-121

9.
Temperature dependence of Pt and Rh solubilities in a haplobasaltic melt,
S. S. Fortenfant, D. Gu"nther, D. B. Dingwell and D. C. Rubie
Pages 123-131

10.
Self-diffusion of Si and O in diopside-anorthite melt at high pressures,
David Tinker, Charles E. Lesher and Ian D. Hutcheon
Pages 133-142

11.
Coupled 63Cu and 16O excesses in chondrites, 
J. M. Luck, D. Ben Othman, J. A. Barrat and F. Albare`de
Pages 143-151

12. 
Dark inclusions in CO3 chondrites: new indicators of parent-body
processes, 
Daisuke Itoh and Kazushige Tomeoka
Pages 153-169