Geochimica et Cosmochimica Acta, 2006, V 70, N 3, 1 February.

Kinetics of sorption and abiotic oxidation of 
arsenic(III) by aquifer materials  • 
Aria Amirbahman, Douglas B. Kent, 
Gary P. Curtis and James A. Davis
Pages 533-547 

Temperature and its control of isotope 
fractionation by a sulfate-reducing bacterium  • 
Donald E. Canfield, Claus A. Olesen and Raymond P. Cox
Pages 548-561 

Effects of substrate structure and composition
on the structure, dynamics, and energetics 
of water at mineral surfaces: 
A molecular dynamics modeling study  • 
Jianwei Wang, Andrey G. Kalinichev and 
R. James Kirkpatrick
Pages 562-582 

Magnesium inhibition of calcite dissolution kinetics  • 
Rolf S. Arvidson, Martin Collier, Kevin J. Davis, 
Michael D. Vinson, James E. Amonette and Andreas Luttge
Pages 583-594 

Citrate impairs the micropore diffusion of 
phosphate into pure and C-coated goethite  • 
Christian Mikutta, Friederike Lang and 
Martin Kaupenjohann
Pages 595-607 

Dissolution of jarosite [KFe3(SO4)2(OH)6] 
at pH 2 and 8: Insights from batch 
experiments and computational modelling  • 
Adrian M.L. Smith, Karen A. Hudson-Edwards, 
William E. Dubbin and Kate Wright
Pages 608-621 

Iron isotope fractionation during microbially
stimulated Fe(II) oxidation and Fe(III) precipitation  • 
Nurgul Balci, Thomas D. Bullen, Kerstin Witte-Lien, 
Wayne C. Shanks, Mikael Motelica and Kevin W. Mandernack
Pages 622-639 

Kinetics of Fe(III) precipitation in aqueous 
solutions at pH 6.0–9.5 and 25 °C  • 
A. Ninh Pham, Andrew L. Rose, Andrew J. Feitz 
and T. David Waite
Pages 640-650 

Deciphering biodegradation effects on light 
hydrocarbons in crude oils using their 
stable carbon isotopic composition: 
A case study from the Gullfaks 
oil field, offshore Norway  • 
Andrea Vieth and Heinz Wilkes
Pages 651-665 

Solid-state 13C NMR analysis of size and 
density fractions of marine sediments: 
Insight into organic carbon sources 
and preservation mechanisms  • 
Angela F. Dickens, Jeffrey A. Baldock, 
Ronald J. Smernik, Stuart G. Wakeham, 
Thorarinn S. Arnarson, Yves Gelinas and 
John I. Hedges
Pages 666-686 

The solubility and speciation of molybdenum
in water vapour at elevated temperatures 
and pressures: Implications for ore genesis  • 
K.U. Rempel, A.A. Migdisov and A.E. Williams-Jones
Pages 687-696 

Host rock compositional controls on zircon 
trace element signatures in metabasites 
from the Austroalpine basement  • 
Bernhard Schulz, Reiner Klemd and Helene Bratz
Pages 697-710 

Effect of water on the heat capacity of 
polymerized aluminosilicate glasses and melts  • 
M. Ali Bouhifd, Alan Whittington, 
Jacques Roux and Pascal Richet
Pages 711-722 

Multi-stage mixing in subduction zones: 
Application to Merapi volcano 
(Java island, Sunda arc)  • 
Vinciane Debaille, Regis Doucelance, 
Dominique Weis and Pierre Schiano
Pages 723-741 

Oxygen fugacity dependence of Os 
solubility in haplobasaltic melt  • 
S.S. Fortenfant, D.B. Dingwell, 
W. Ertel-Ingrisch, F. Capmas, 
J.L. Birck and C. Dalpe
Pages 742-756 

Mg–Fe partitioning between olivine 
and ultramafic melts at high pressures  • 
Kenji Mibe, Toshitsugu Fujii, 
Atsushi Yasuda and Shigeaki Ono
Pages 757-766 

Oxygen isotope compositions of
chondrules in CR chondrites  • 
Alexander N. Krot, Guy Libourel 
and Marc Chaussidon
Pages 767-779 

A comparative study of melilite 
and fassaite in Types B1 and 
B2 refractory inclusions  • 
S.B. Simon and L. Grossman
Pages 780-798 

Diffusion kinetics of Cr in olivine
and 53Mn–53Cr thermochronology 
of early solar system objects  • 
Motoo Ito and Jibamitra Ganguly
Pages 799-809 

Announcement: Meteoritical Society  • 
Page 810