Geochimica et Cosmochimica Acta, 2003, V 67, N 19, 1 October.

1.   
 Measurement and interpretation of molecular-level forces
 of interaction between the siderophore azotobactin
 and mineral surfaces,  
 Treavor A. Kendall and Michael F. Hochella, Jr.
 Pages 3537-3546

2.   
 Selenium speciation and partitioning within Burkholderia
 cepacia biofilms formed on -Al2O3 surfaces,  
 Alexis S. Templeton, Thomas P. Trainor, Alfred M. Spormann
 and Gordon E. Brown, Jr.
 Pages 3547-3557

3.   
 Iron (III)-silica interactions in aqueous solution: insights from X-ray
 absorption fine structure spectroscopy, 
 Gleb S. Pokrovski, Jacques Schott, Francois Farges and Jean-Louis Hazemann
 Pages 3559-3573 

4.   
 Enhanced microbial reduction of Cr(VI) and U(VI) by different natural
 organic matter fractions,  
 Baohua Gu and Jie Chen
 Pages 3575-3582

5.   
 An experimental study of illite dissolution kinetics as a function
 of ph from 1.4 to 12.4 and temperature from 5 to 50°C, 
 Stephan J. Kohler, Fabien Dufaud and Eric H. Oelkers
 Pages 3583-3594 

6.   
 Solid-liquid equilibria of Mg(OH)2(cr) and Mg2(OH)3Cl·4H2O(cr) in the
 system Mg-Na-H-OH-Cl-H2O at 25°C, 
 M. Altmaier, V. Metz, V. Neck, R. Muller and Th. Fanghanel
 Pages 3595-3601 

7.   
 Iron and other transition metals in Patagonian riverborne and windborne
 materials: geochemical control and transport to the southern
 South Atlantic Ocean, 
 D. M. Gaiero, J. -L. Probst, P. J. Depetris, S. M. Bidart and L. Leleyter
 Pages 3603-3623 

8.   
 Experimental constraints on the hydrothermal reactivity of organic acids
 and acid anions: I. Formic acid and formate, 
 Thomas M. McCollom and Jeffrey S. Seewald
 Pages 3625-3644 

9.   
 Experimental study of the hydrothermal reactivity of organic acids
 and acid anions: II. Acetic acid, acetate, and valeric acid, 
 Thomas M. McCollom and Jeffrey S. Seewald
 Pages 3645-3664 

10.   
 Evaluation of Duluth Complex anorthositic series (AS3) zircon as a U-Pb
 geochronological standard: new high-precision isotope dilution thermal
 ionization mass spectrometry results,
 Mark D. Schmitz, Samuel A. Bowring and Trevor R. Ireland
 Pages 3665-3672 

11.   
 Subgrain-scale decoupling of Re and 187Os and assessment of laser ablation
 ICP-MS spot dating in molybdenite, 
 Holly Stein, Anders Schersten, Judith Hannah and Richard Markey
 Pages 3673-3686 

12.   
 A lead isotope method for the accurate dating of disturbed geologic systems:
 numerical demonstrations, some applications and implications, 
 Fouad Tera
 Pages 3687-3716 

13.   
 Pb-Sr-He isotope and trace element geochemistry of the Cape
 Verde Archipelago, 
 Regis Doucelance, Stephane Escrig, Manuel Moreira,
 Clement Gariepy and Mark D. Kurz
 Pages 3717-3733 

14.   
 Petrogenesis of olivine-phyric shergottites Sayh al Uhaymir 005 and
 Elephant Moraine A79001 lithology A, 
 Cyrena Anne Goodrich
 Pages 3735-3772 

15.   
 Nitrogen isotopic composition of macromolecular organic matter
 in interplanetary dust particles,  
 Jerome Aleon, Francois Robert, Marc Chaussidon and Bernard Marty
 Pages 3773-3783