Geochimica et Cosmochimica Acta, 2003, V 67, N 11, 1 June.

1.
X-ray absorption fine structure study of As(V) and Se(IV) sorption
complexes on hydrous Mn oxides, 
Andrea L. Foster, Gordon E. Brown, Jr. and George A. Parks
Pages 1937-1953

2.
The transport of U- and Th-series nuclides in sandy confined aquifers, 
B. C. Reynolds, G. J. Wasserburg and M. Baskaran
Pages 1955-1972

3.
Hydrologic and geochemical influences on the dissolved silica
concentration in natural water in a steep headwater catchment, 
Yuko Asano, Taro Uchida and Nobuhito Ohte
Pages 1973-1989

4.
A model for 18O/16O variations in CO2 evolved from goethite
during the solid-state [small alpha, Greek] -FeOOH to
[small alpha, Greek] -Fe2O3 phase transition, 
Crayton J. Yapp
Pages 1991-2004

5.
Sr, C, and O isotope geochemistry of Ordovician brachiopods:
a major isotopic event around the Middle-Late
Ordovician transition, 
Graham A. Shields, Giles A. F. Carden, J [small alpha, Greek] n Veizer,
To~nu Meidla, Jia-Yu Rong and Rong-Yu Li
Pages 2005-2025

6.
Novel decomposition products of chlorophyll-a in continental
shelf (Louisiana shelf) sediments: formation and transformation
of carotenol chlorin esters, 
Nianhong Chen, Thomas S. Bianchi and John M. Bland
Pages 2027-2042

7.
Lattice diffusion of Ar in quartz, with constraints on Ar 
solubility and evidence of nanopores,
E. B. Watson and D. J. Cherniak
Pages 2043-2062

8.
Synthesis, characterization, and thermochemistry
of K-Na-H3O jarosites, 
Christophe Drouet and Alexandra Navrotsky
Pages 2063-2076

9.
Core formation in the Earth and Moon: new experimental
constraints from V, Cr, and Mn, 
Nancy L. Chabot and Carl B. Agee
Pages 2077-2091

10.
Investigating the variations in carbon and nitrogen isotopes
in carbonaceous chondrites,
M. A. Sephton, A. B. Verchovsky, P. A. Bland, I. Gilmour,
M. M. Grady and I. P. Wright
Pages 2093-2108