Geochimica et Cosmochimica Acta, 2003, V 67, N 4, 15 February.

1.
Isotopic evidence for the source of Ca and S in soil gypsum, anhydrite and 
calcite in the Atacama Desert, Chile, 
Jason A. Rech, Jay Quade and William S. Hart
Pages 575-586

2.
Improving noble gas based paleoclimate reconstruction and groundwater dating 
using 20Ne/22Ne ratios, 
Frank Peeters, Urs Beyerle, Werner Aeschbach-Hertig, Johannes Holocher, Matthias 
S. Brennwald and Rolf Kipfer
Pages 587-600 

3.
The lithium isotopic composition of waters of the Mono Basin, California,
Paul B. Tomascak, N. Gary Hemming and Sidney R. Hemming
Pages 601-611

4.
Thermodynamic description of aqueous nonelectrolytes at infinite dilution over
a wide range of state parameters, 
Nikolay N. Akinfiev and Larryn W. Diamond
Pages 613-629 

5.
The geochemistry of dissolved inorganic carbon in a surficial groundwater 
aquifer in North Inlet, South Carolina, and the carbon fluxes to the coastal 
ocean, 
Wei-Jun Cai, Yongchen Wang, James Krest and W. S. Moore
Pages 631-639 

6.
Serpentinization of abyssal peridotites from the MARK area, Mid-Atlantic Ridge: 
sulfur geochemistry and reaction modeling, 
Jeffrey C. Alt and Wayne C. Shanks, III
Pages 641-653 

7.
Platinum-group elements (PGE) and rhenium in marine sediments across the 
Cretaceous-Tertiary boundary: constraints on Re-PGE transport in the marine 
environment, 
Cin-Ty Aeolus Lee, Gerald J. Wasserburg and Frank T. Kyte
Pages 655-670 

8.
Equations of state for the NaCl-H2O-CH4 system and the NaCl-H2O-CO2-CH4 system: 
Phase equilibria and volumetric properties above 573 k, 
Zhenhao Duan, Nancy M?ller and John H. Weare
Pages 671-680 

9.
An experimental study of alteration of oceanic crust and terrigenous sediments 
at moderate temperatures (51 to 350°C): insights as to chemical processes in 
near-shore ridge-flank hydrothermal systems, 
Rachael H. James, Doug E. Allen and W. E. Seyfried, Jr.
Pages 681-691 

10.
One hundred fifty-year record of lead isotopes in Antarctic snow from Coats 
Land, 
F. A. M. Planchon, K. van de Velde, K. J. R. Rosman, E. W. Wolff, C. P. Ferrari 
and C. F. Boutron
Pages 693-708 

11.
Textural and geochemical discrimination between xenotime of different origin in 
the Archaean Witwatersrand Basin, South Africa, 
Natalie Kositcin, Neal J. McNaughton, Brendan J. Griffin, Ian R. Fletcher,
David I. Groves and Birger Rasmussen
Pages 709-731 

12.
Homogeneous impact melts produced by a heterogeneous target?: Sr-Nd isotopic 
evidence from the Popigai crater, Russia, 
B. Kettrup, A. Deutsch and V. L. Masaitis
Pages 733-750 

13.
Extraterrestrial accretion from the GISP2 ice core, 
Daniel B. Karner, Jonathan Levine, Richard A. Muller, Frank Asaro,
Michael Ram and Michael R. Stolz
Pages 751-763 

14.
Oxygen isotopic distribution in an amoeboid olivine aggregate from the Allende 
CV chondrite: Primary and secondary processes, 
Hajime Imai and Hisayoshi Yurimoto
Pages 765-772 

15.
Experimental study of evaporation and isotopic mass fractionation of potassium 
in silicate melts, 
Y. Yu, R. H. Hewins, C. M. O. 'D. Alexander and J. Wang
Pages 773-786 

16.
Discussion of the article by A. C. Lasaga and H. Ohmoto on "The Oxygen 
Geochemical Cycle: Dynamics and Stability," Geochim. Cosmochim. Acta 66,
361-381, 2002, 
Heinrich D. Holland
Pages 787-789 

17.
Reply to comments by H. D. Holland on "The Oxygen Geochemical Cycle: Dynamics 
and Stability," Geochim. Cosmochim. Acta 66, 361-381, 2002, 
Hiroshi Ohmoto
Pages 791-795