Geochimica et Cosmochimica Acta 2004, V 68, N 8, 15 April.

 
1.   
 Isotopic order, biogeochemical processes, and earth history: 
 Goldschmidt lecture, Davos, Switzerland, August 2002, 
 John M. Hayes
 Pages 1691-1700 

2.   
 Kinetics of calcite precipitation induced by ureolytic bacteria
at 10 to 20°C in artificial groundwater, 
 F. G. Ferris , V. Phoenix , Y. Fujita and R. W. Smith
 Pages 1701-1710 

3.   
 Uranyl acetate speciation in aqueous solutions––
 an XAS study between 25°C and 250°C,  
 E. H. Bailey , J. F. W. Mosselmans and P. F. Schofield
 Pages 1711-1722

4.   
 Vanadium(V) adsorption onto goethite (-FeOOH) at pH 1.5 to 
 12: a surface complexation model based on ab initio
 molecular geometries and EXAFS spectroscopy, 
 Caroline L. Peacock and David M. Sherman
 Pages 1723-1733

5.   
 The effect of dissolved barium on biogeochemical processes 
 at cold seeps, 
 Giovanni Aloisi , Klaus Wallmann , Sandra M. Bollwerk , 
 Alexander Derkachev , Gerhard Bohrmann and Erwin Suess
 Pages 1735-1748 

6.   
 Experimental evidence for carbonate precipitation and CO2
 degassing during sea ice formation, 
 S. Papadimitriou , H. Kennedy , G. Kattner , 
 G. S. Dieckmann and D. N. Thomas
 Pages 1749-1761

7.   
 The evolution of marine evaporitic brines in inland basins:
 The Jordan-Dead Sea Rift valley,
Ofra Klein-BenDavid , Eytan Sass and Amitai Katz
 Pages 1763-1775  

8.   
 U and Th concentrations and isotope ratios in modern carbonates 
 and waters from the Bahamas,
 Laura F. Robinson , Nick S. Belshaw and Gideon M. Henderson
 Pages 1777-1789 

9.   
 Biogeochemical transformation of Fe minerals in a 
 petroleum-contaminated aquifer, 
 John M. Zachara , Ravi K. Kukkadapu , Paul L. Gassman , 
 Alice Dohnalkova , Jim K. Fredrickson and Todd Anderson
 Pages 1791-1805 

10.   
 A vibrational spectroscopic study of the oxidation of pyrite
 by molecular oxygen, 
 Michael J. Borda , Daniel R. Strongin and Martin A. Schoonen
 Pages 1807-1813 

11.   
 Early diagenetic remineralization of sedimentary organic 
 C in the Gulf of Papua deltaic complex (Papua New Guinea):
 Net loss of terrestrial C and diagenetic fractionation 
 of C isotopes, 
 Robert C. Aller and Neal E. Blair
 Pages 1815-1825 

12.   
 Equation of state of water based on speeds of sound 
 measured in the diamond-anvil cell, 
 Evan H. Abramson and J. Michael Brown
 Pages 1827-1835

13.   
 The CO2-He-Ar-H2O systematics of the manus back-arc basin: 
 resolving source composition from degassing and contamination 
 effects, 
 Alison M. Shaw , David R. Hilton , Colin G. Macpherson 
 and John M. Sinton
 Pages 1837-1855 

14.   
 Zircon (U-Th)/He thermochronometry: He diffusion and 
 comparisons with 40Ar/39Ar dating, 
 Peter W. Reiners , Terry L. Spell , Stefan Nicolescu
 and Kathleen A. Zanetti
 Pages 1857-1887

15.   
 A rocking multianvil: elimination of chemical segregation
 in fluid-saturated high-pressure experiments, 
 Max W. Schmidt and Peter Ulmer
 Pages 1889-1899

16.   
 D'Orbigny: A non-igneous angritic achondrite?,
 G. Kurat , M. E. Varela , F. Brandstatter , G. Weckwerth , 
 R. N. Clayton , H. W. Weber , L. Schultz , E. Wasch 
 and M. A. Nazarov
 Pages 1901-1921

17.   
 Amoeboid olivine aggregates with low-Ca pyroxenes: 
 a genetic link between refractory inclusions and 
 chondrules?, 
 Alexander N. Krot , Michail I. Petaev and Hisayoshi Yurimoto
 Pages 1923-1941 

18.   
 An experimental study of rare earth element partitioning
 between a shergottite melt and pigeonite: implications
 for the oxygen fugacity of the mart ian interior,
 Molly C. McCanta , Malcolm J. Rutherford and John H. Jones
 Pages 1943-1952

19.   
 Erratum, 
 Frank A. Podosek
 Page 1953