Geochimica et Cosmochimica Acta, 2003, V 67, N 23, 1 December.

1.   
 Kinetics and mechanism of polythionate oxidation to sulfate
 at low pH by O2 and Fe3+,  
 Gregory K. Druschel, Robert J. Hamers and Jillian F. Banfield
 Pages 4457-4469

2.   
 Lead sorption efficiencies of natural and synthetic Mn
 and Fe-oxides, 
 S. E. O'Reilly and Michael F. Hochella, Jr.
 Pages 4471-4487 

3.   
 Surface structure effects on direct reduction of iron
 oxides by Shewanella oneidensis, 
 Andrew L. Neal, Kevin M. Rosso, Gill G. Geesey,
 Yuri A. Gorby and Brenda J. Little
 Pages 4489-4503 

4.   
 Regulation of bacterial sulfate reduction and hydrogen sulfide
 fluxes in the central namibian coastal upwelling zone, 
 Volker Bruchert, Bo Barker Jorgensen, Kirsten Neumann,
 Daniela Riechmann, Manfred Schlosser and Heide Schulz
 Pages 4505-4518 

5.   
 Strontium in coral aragonite: 2. Sr coordination and
 the long-term stability of coral environmental records, 
 Adrian A. Finch and Nicola Allison
 Pages 4519-4527 

6.   
 Origin and history of waters associated with coalbed methane:
 129I, 36Cl, and stable isotope results from the Fruitland 
 Formation, CO and NM, 
 Glen T. Snyder, Walter C. "Rusty" Riese, Stephen Franks,
 Udo Fehn, William L. Pelzmann, Anthony W. Gorody and Jean E. Moran
 Pages 4529-4544 

7.   
 Diagenetic Ge-Si fractionation in continental margin environments:
 further evidence for a nonopal Ge sink, 
 James McManus, Douglas E. Hammond, Kathy Cummins,
 Gary P. Klinkhammer and William M. Berelson
 Pages 4545-4557 

8.   
 Stability of chloridogold(I) complexes in aqueous solutions
 from 300 to 600°C and from 500 to 1800 bar, 
 A. Stefansson and T. M. Seward
 Pages 4559-4576 

9.   
 Fluid–rock interaction during progressive migration
 of carbonatitic fluids, derived from small-scale trace element
 and Sr, Pb isotope distribution in hydrothermal fluorite,  
 B. Buhn, J. Schneider, P. Dulski and A. H. Rankin
 Pages 4577-4595

10.   
 Dating ultra-deep mine waters with noble gases and 36Cl,
 Witwatersrand Basin, South Africa, 
 J. Lippmann, M. Stute, T. Torgersen, D. P. Moser,
 J. A. Hall, L. Lin, M. Borcsik, R. E. S. Bellamy and T. C. Onstott
 Pages 4597-4619 

11.   
 Factors controlling compositions of cosmic spinels: application
 to atmospheric entry conditions of meteoritic materials, 
 A. Toppani and G. Libourel
 Pages 4621-4638 

12.   
 Stable isotope compositions of cadmium in geological materials
 and meteorites determined by multiple-collector ICPMS, 
 Frank Wombacher, Mark Rehkamper, Klaus Mezger and Carsten Munker
 Pages 4639-4654 

13.   
 Microscale oxygen isotopic exchange and magnetite formation
 in the Ningqiang anomalous carbonaceous chondrite, 
 Byeon-Gak Choi and John T. Wasson
 Pages 4655-4660