Geochimica et Cosmochimica Acta, 2005, V 69, N 3, 1 Feb.

 
1.   
 Incremental vacuum dehydration-decarbonation 
 experiments on a natural gibbsite (?-Al(OH3)):
 CO2 abundance and ?13C values  • 
 Neil J. Tabor and Crayton J. Yapp
 Pages 519-527 

2.   
 Phase equilibria in the system CO2-H2O I: 
 New equilibrium relations at low temperatures  • 
 John Longhi
Pages 529-539 

3.   
 Adsorption of oxalate and malonate at the 
 water-goethite interface: Molecular surface 
 speciation from IR spectroscopy  • 
 Per Persson and Kristina Axe
 Pages 541-552 

4.   
 Hydrous ferric oxide precipitation in the 
 presence of nonmetabolizing bacteria: 
 Constraints on the mechanism of a biotic effect  • 
 Denis G. Rancourt, Pierre-Jean Thibault, 
 Denis Mavrocordatos and Gilles Lamarche
 Pages 553-577 

5.   
 Geochemical evolution and timescale of 
 seawater intrusion into the coastal aquifer of Israel  • 
 Orit Sivan, Yoseph Yechieli, Barak Herut and Boaz Lazar
 Pages 579-592 

6.   
 Calculation of hydrogen isotopic fractionations 
 in biogeochemical systems  • 
 Alex L. Sessions and John M. Hayes
 Pages 593-597 

7.   
 The deuterium enrichment of individual amino 
 acids in carbonaceous meteorites: A case for 
 the presolar distribution of biomolecule precursors  • 
 Sandra Pizzarello and Yongsong Huang
 Pages 599-605 

8.   
 The dissolution kinetics of a granite and its 
 minerals—Implications for comparison between 
 laboratory and field dissolution rates  • 
 Jiwchar Ganor, Emmanuelle Roueff, Yigal Erel
 and Joel D. Blum
 Pages 607-621 

9.   
 Pronounced occurrence of long-chain alkenones
 and dinosterol in a 25,000-year lipid molecular
 fossil record from Lake Titicaca, South America  • 
 Kevin M. Theissen, David A. Zinniker, 
 J. Michael Moldowan, Robert B. Dunbar
 and Harold D. Rowe
 Pages 623-636 

10.   
 Trace-element composition of hydrothermal 
 zircon and the alteration of Hadean zircon
 from the Jack Hills, Australia  • 
 Paul W.O. Hoskin
 Pages 637-648 

11.   
 230Th/234U/238U and 231Pa/235U ages from a 
 single fossil coral fragment by multi-collector 
 magnetic-sector inductively coupled plasma 
 mass spectrometry  • 
 Richard A. Mortlock, Richard G. Fairbanks, 
 Tzu-chien Chiu and James Rubenstone
 Pages 649-657 

12.   
 Weathering geochronology by (U-Th)/He 
 dating of goethite  • 
 David L. Shuster, Paulo M. Vasconcelos, 
 Jonathan A. Heim and Kenneth A. Farley
 Pages 659-673 

13.   
 REE controls in ultramafic hosted MOR 
 hydrothermal systems: An experimental 
 study at elevated temperature and pressure  • 
 Douglas E. Allen and W.E. Seyfried, Jr.
 Pages 675-683 

14.   
 Geochemical fixation of rare earth elements 
 into secondary minerals in sandstones beneath 
 a natural fission reactor at Bangombe, Gabon  • 
 Hiroshi Hidaka, Janusz Janeczek, Frances N. Skomurski, 
 Rodney C. Ewing and Francois Gauthier-Lafaye
 Pages 685-694 
 
15.   
 Effect of melt composition on the partitioning
 of trace elements between titanite and silicate melt  • 
 Stefan Prowatke and Stephan Klemme
 Pages 695-709 

16.   
 The Fe3+/?Fe ratios of MORB glasses and their 
 mplications for mantle melting  • 
 Antoine Bezos and Eric Humler
 Pages 711-725 

17.   
 Solubility controlled noble gas fractionation
 during magmatic degassing: Implications for
 noble gas compositions of primary melts of OIB and MORB  • 
 Junji Yamamoto and Pete G. Burnard
 Pages 727-734 

18.   
 Observations of Li isotopic variations in the
 Trinity Ophiolite: Evidence for isotopic 
 fractionation by diffusion during mantle melting  • 
 Craig C. Lundstrom, Marc Chaussidon, Albert T. Hsui, 
 Peter Kelemen and Mark Zimmerman
 Pages 735-751 

19.   
 Nitrogen in chondritic metal  • 
 K.J. Mathew, K. Marti and Y. Kim
 Pages 753-762 

20.   
 Microscopic oxygen isotopic homogeneity/heterogeneity
 in the matrix of the Vigarano CV3 chondrite  • 
 Takuya Kunihiro, Kazuhide Nagashima and Hisayoshi Yurimoto
 Pages 763-773 

21.   
 Nb/Zr fractionation on the Moon and the search
 for extinct 92Nb  • 
 Maria Schonbachler, Der-Chuen Lee, Mark Rehkamper,
 Alex N. Halliday, Bodo Hattendorf and Detlef Gunther
 Pages 775-785 

22.   
 Comment on “An explanation of the effect of seawater
 carbonate concentration on foraminiferal oxygen 
 isotopes,” by R. E. Zeebe (1999)  • 
 Peter Deines
 Page 787 

23.   
 Reply to the comment by P. Deines on “An explanation
 of the effect of seawater carbonate concentration
 on foraminiferal oxygen isotopes,” by  • 
 Richard E. Zeebe
 Pages 789-790