Geochimica et Cosmochimica Acta, 2005, V 69, N 8, 15 April.

1.   
 Relationship between DOC photochemistry and mercury
 redox transformations in temperate lakes and wetlands  • 
 Edenise Garcia, Marc Amyot and Parisa A. Ariya
 Pages 1917-1924 

2.   
 Arsenic speciation in Mono Lake, California: Response 
 to seasonal stratification and anoxia  • 
 James T. Hollibaugh, Steve Carini, Hakan Gurleyuk,
 Robert Jellison, Samantha B. Joye, Gary LeCleir,
 Christof Meile, Lydia Vasquez and Dirk Wallschlager
 Pages 1925-1937 

3.   
 A modeling study of the impact of the ?18O value
 of near-surface soil water on the ?18O value of 
 the soil-surface CO2 flux  • 
 William J. Riley
 Pages 1939-1946 

4.   
 Resolving and modeling the effects of Fe and Mn 
 redox cycling on trace metal behavior in a 
 seasonally anoxic lake  • 
 J. Hamilton-Taylor, E.J. Smith, W. Davison 
 and M. Sugiyama
 Pages 1947-1960 

5.   
 Rayleigh distillation and the depth profile 
 of 13C/12C ratios of soil organic carbon from 
 soils of disparate texture in Iron Range 
 National Park, Far North Queensland, Australia  • 
 Jonathan G. Wynn, Michael I. Bird and Vanessa N.L. Wong
 Pages 1961-1973 

6.   
 Chemical weathering rates of a soil chronosequence
 on granitic alluvium: III. Hydrochemical evolution
 and contemporary solute fluxes and rates  • 
 Art F. White, Marjorie S. Schulz, Davison V. Vivit, 
 Alex E. Blum, David A. Stonestrom and Jennifer W. Harden
 Pages 1975-1996 

7.   
 Do clay mineral dissolution rates reach steady state?  • 
 Stephan J. Kohler, Dirk Bosbach and Eric H. Oelkers
 Pages 1997-2006 

8.   
 Thallium isotope composition of the upper continental
 crust and rivers—An investigation of the continental
 sources of dissolved marine thallium  • 
 Sune G. Nielsen, Mark Rehkamper, Don Porcelli, 
 Per Andersson, Alex N. Halliday,  Peter W. Swarzenski, 
 Christopher Latkoczy and Detlef Gunther
 Pages 2007-2019 

9.   
 The potential role of ridge-flank hydrothermal 
systems on oceanic germanium and silicon balances  • 
C. Geoffrey Wheat and James McManus
Pages 2021-2029 

10.   
 Soil organic matter as an important contributor to 
Late Quaternary sediments of the tropical West 
African continental margin  • 
Jens Holtvoeth, Sadat Kolonic and Thomas Wagner
Pages 2031-2041 

11.   
 Quartz precipitation kinetics at 180°C in NaCl 
 solutions—Implications for the usability of the 
 principle of detailed balancing  • 
 Jiwchar Ganor, Ted J. Huston and Lynn M. Walter
 Pages 2043-2056 

12.   
 Anaerobic ammonium oxidation by nitrite (anammox): 
 Implications for N2 production in coastal marine sediments  • 
 Pia Engstrom, Tage Dalsgaard, Stefan Hulth
 and Robert C. Aller
 Pages 2057-2065 

13.   
 Chemical weathering in the Krishna Basin and Western 
 Ghats of the Deccan Traps, India: Rates of basalt 
 weathering and their controls  • 
 A. Das, S. Krishnaswami, M.M. Sarin and K. Pande
 Pages 2067-2084 

14.   
 Self-limiting growth on dolomite: Experimental 
observations with in situ atomic force microscopy  • 
Steven R. Higgins and Xiaoming Hu
Pages 2085-2094 

15.   
 Trace element cycling in a subterranean estuary: 
Part 1. Geochemistry of the permeable sediments  • 
Matthew A. Charette, Edward R. Sholkovitz and Colleen M. Hansel
Pages 2095-2109 

16.   
 Influence of organic-mineral aggregates on microbial
 degradation of the dinoflagellate Scrippsiella trochoidea  • 
 Thorarinn S. Arnarson and Richard G. Keil
Pages 2111-2117 

17.   
 Experimental study of gold-hydrosulphide complexing 
 in aqueous solutions at 350–500°C, 500 and 1000 bars 
 using mineral buffers  • 
 Boris R. Tagirov, Stefano Salvi, Jacques Schott 
 and Nina N. Baranova
 Pages 2119-2132 

18.   
 Thermochemistry of yavapaiite KFe(SO4)2: 
 Formation and decomposition  • 
 Ferenc Lazar Forray, Christophe Drouet and Alexandra Navrotsky
 Pages 2133-2140 

19.   
 Conditions of core formation in the earth: 
 Constraints from Nickel and Cobalt partitioning  • 
 Nancy L. Chabot, David S. Draper and Carl B. Agee
 Pages 2141-2151 

20.   
 Accurate measurement of silver isotopic 
compositions in geological materials 
including low Pd/Ag meteorites  • 
S.J. Woodland, M. Rehkamper, A.N. Halliday, 
D.-C. Lee, B. Hattendorf and D. Gunther
Pages 2153-2163 

21.   
 Carbonaceous xenoliths in the Krymka LL3.1 chondrite: 
Mysteries and established facts  • 
V.P. Semenenko, E.K. Jessberger, M. Chaussidon, 
I. Weber, T. Stephan and C. Wies
Pages 2165-2182