Geochimica et Cosmochimica Acta, 2005, V 69, N 5, 1 March.


 
1.   
 The isotopic ratios 17O/16O and 18O/16O in molecular
 oxygen and their significance in biogeochemistry  • 
 Boaz Luz and Eugeni Barkan
 Pages 1099-1110 

2.   
 X-ray absorption studies of CH3Hg+-binding sites
in humic substances  • 
Soh-Joung Yoon, Lynn M. Diener, Paul R. Bloom,
Edward A. Nater and William F. Bleam
Pages 1111-1121 

3.   
 Potentiometric titrations of Bacillus subtilis
 cells to low pH and a comparison of modeling approaches  • 
 Jeremy B. Fein, Jean-Francois Boily, Nathan Yee,
 Drew Gorman-Lewis and Benjamin F. Turner
 Pages 1123-1132 

4.   
 Predicting the rate of microbial respiration
 in geochemical environments  • 
 Qusheng Jin and Craig M. Bethke
 Pages 1133-1143 

5.   
 Bioreduction of natural specular hematite
 under flow conditions  • 
 G. Gonzalez-Gil, J.E. Amonette, M.F. Romine,
 Y.A. Gorby and G.G. Geesey
 Pages 1145-1155 

6.   
 Internally consistent database for sulfides
 and sulfosalts in the system 
 Ag2S-Cu2S-ZnS-FeS-Sb2S3-As2S3: Update  • 
 Richard O. Sack
 Pages 1157-1164 

7.   
 Oxidation of Sb(III) to Sb(V) by O2 and H2O2
 in aqueous solutions  • 
 Ann-Kathrin Leuz and C. Annette Johnson
 Pages 1165-1172 

8.   
 Zinc mobility and speciation in soil covered
 by contaminated dredged sediment using 
 micrometer-scale and bulk-averaging X-ray 
 fluorescence, absorption and diffraction techniques  • 
 Marie-Pierre Isaure, Alain Manceau, Nicolas Geoffroy, 
 Agnes Laboudigue, Nobumichi Tamura and Matthew A. Marcus
 Pages 1173-1198 

9.   
 The dissolution rates of gibbsite in the presence
 of chloride, nitrate, silica, sulfate, and 
 citrate in open and closed systems at 20°C  • 
 M. Dietzel and G. Bohme
 Pages 1199-1211 

10.   
 Change of black shale organic material 
 surface area during oxidative weathering: 
 Implications for rock-water surface evolution  • 
 Cornelius Fischer and Reinhard Gaupp
 Pages 1213-1224 

11.   
 Ion microprobe measurement of strontium 
 isotopes in calcium carbonate with 
 application to salmon otoliths  • 
 Peter K. Weber, Charles R. Bacon, Ian D. Hutcheon, 
 B. Lynn Ingram and Joseph L. Wooden
 Pages 1225-1239 

12.   
 Nitrogen and argon isotopic signatures in 
 graphite from the 3.8-Ga-old Isua Supracrustal
 Belt, Southern West Greenland  • 
 Mark A. van Zuilen, Kattathu Mathew, Brigitte Wopenka,
 Aivo Lepland, Kurt Marti  and Gustaf Arrhenius
 Pages 1241-1252 

13.   
 Argon isotope fractionation induced by stepwise heating  • 
 Mario Trieloff, Martina Falter, Alexei I. Buikin, 
 Ekaterina V. Korochantseva, Elmar K. Jessberger 
 and Rainer Altherr
 Pages 1253-1264 

14.   
 Platinum solubility in a haplobasaltic melt 
 at 1250°C and 0.2 GPa: The effect of water
 content and oxygen fugacity  • 
 Fred A. Blaine, Robert L. Linnen, Francois Holtz
 and Gerhard E. Brugmann
 Pages 1265-1273 

15.   
 Partitioning behavior of chlorine and fluorine
 in the system apatite-silicate melt-fluid  • 
 Edmond A. Mathez and James D. Webster
 Pages 1275-1286 

16.   
 Oxygen isotope fractionation factors involving
 cassiterite (SnO2): I. calculation of reduced
 partition function ratios from heat capacity
 and X-ray resonant studies  • 
 V.B. Polyakov, S.D. Mineev, R.N. Clayton, G. Hu, 
 V.M. Gurevich, D.A. Khramov, K.S. Gavrichev, 
 V.E. Gorbunov and L.N. Golushina
 Pages 1287-1300 

17.   
 Oxygen isotope fractionation factors involving
 cassiterite (SnO2): II. determination by direct 
 isotope exchange between cassiterite and calcite  • 
 Guixing Hu, Robert N. Clayton, Veniamin B. Polyakov
 and Sergey D. Mineev
 Pages 1301-1305 

18.   
 Elemental and Nd-Sr isotopic geochemistry of 
 granitoids from the West Junggar foldbelt (NW China), 
 with implications for Phanerozoic continental growth  • 
 B. Chen and Y. Arakawa
 Pages 1307-1320 

19.   
 Stony-iron meteorites: History of the metal 
 phase according to tungsten isotopes  • 
 Ghylaine Quitte, Jean-Louis Birck and Claude J. Allegre
 Pages 1321-1332 

20.   
 Oxygen, silicon, and Mn-Cr isotopes of fayalite
 in the Kaba oxidized CV3 chondrite: Constraints
 for its formation history  • 
 Xin Hua, Gary R. Huss, Shogo Tachibana and Thomas G. Sharp
 Pages 1333-1348 

21.   
 Alkylation of polycyclic aromatic hydrocarbons
 in carbonaceous chondrites  • 
 Jamie E. Elsila, Nathalie P. de Leon, 
 Peter R. Buseck and Richard N. Zare
 Pages 1349-1357 

22.   
 Negative ?18O values in Allan Hills 84001 carbonate: 
 Possible evidence for water precipitation on mars  • 
 G. Holland, J.M. Saxton, I.C. Lyon and G. Turner
 Pages 1359-1370 

23.   
 Book review  • BOOK REVIEW
 Lisa R. Gaddis
 Page 1371 

24.   
 Book review  • BOOK REVIEW
 Impact Cratering Research Group
 and Wolf Uwe Reimold
 Page 1373 

25.   
 Erratum to L. M. Mayer (1999) “Extent of 
 coverage of mineral surfaces by organic 
 matter in marine sediments” geochimica et 
 cosmochimica acta 63, 207–215  • ERRATUM
 Lawrence M. Mayer
 Page 1375