Geochimica et Cosmochimica Acta, 2002, V 66, N 15, 1 August.

Alain Manceau, Bruno Lanson and Victor A. Drits 
Structure of heavy metal sorbed birnessite. Part III: Results from powder and 
polarized extended X-ray absorption fine structure spectroscopy 
2639-2663

 Tadashi Yokoyama and Jillian F. Banfield 
Direct determinations of the rates of rhyolite dissolution and clay formation 
over 52,000 years and comparison with laboratory measurements 
2665-2681

 Sean T. Brennan and Tim K. Lowenstein 
The major-ion composition of silurian seawater 
2683-2700

 M. Gallinari, O. Ragueneau, L. Corrin, D.J. DeMaster and P. Tr?guer 
The importance of water column processes on the dissolution properties of 
biogenic silica in deep-sea sediments I. Solubility 
2701-2717

 Marcel J.L. Hoefs, W.Irene C. Rijpstra and Jaap S. Sinninghe Damst? 
The influence of oxic degradation on the sedimentary biomarker record I: 
evidence from Madeira Abyssal Plain turbidites 
2719-2735

 Jaap S. Sinninghe Damst?, W.Irene C. Rijpstra and Gert-jan Reichart 
The influence of oxic degradation on the sedimentary biomarker record II. 
Evidence from Arabian Sea sediments 
2737-2754

 Robert F. Dias, Katherine H. Freeman, Michael D. Lewan and Stephen G. Franks 
 13C of low-molecular-weight organic acids generated by the hydrous pyrolysis of 
oil-prone source rocks 
2755-2769

 Marlina A. Elburg et al. 
Geochemical trends across an arc-continent collision zone: magma sources and 
slab-wedge transfer processes below the Pantar Strait volcanoes, Indonesia 
2771-2789

 Edward M. Ripley, James G. Brophy and Chusi Li 
Copper solubility in a basaltic melt and sulfide liquid/silicate melt partition 
coefficients of Cu and Fe 
2791-2800

 V. Barrn and J. Torrent 
Evidence for a simple pathway to maghemite in Earth and Mars soils 
2801-2806