Geochimica et Cosmochimica Acta, 1999, V 63, N 3-4, 1 Feb

Arnaud Chiquet, Annie Michard, Daniel Nahon, Bruno Hamelin, 
Atmospheric input vs in situ weathering in the genesis of calcretes: 
an Sr isotope study at Gálvez (Central Spain), 
pp. 311-323

Michael H. Bradbury, Bart Baeyens, 
Modelling the sorption of Zn and Ni on Ca-montmorillonite,  
pp. 325-336

Marjorie S. Schulz, Art F. White, 
Chemical weathering in a tropical watershed, Luquillo Mountains, 
Puerto Rico III: quartz dissolution rates,  
pp. 337-350

Christophe Lécuyer, Pascal Allemand, 
Modelling of the oxygen isotope evolution of seawater: 
implications for the climate interpretation of the 
δ18O of marine sediments,  
pp. 351-361

Dia Sotto Alibo, Yoshiyuki Nozaki, 
Rare earth elements in seawater: particle association, 
shale-normalization, and Ce oxidation,  
pp. 363-372

Michael E. Berndt, William E. Seyfried, Jr., 
Rates of aragonite conversion to calcite in dilute aqueous 
fluids at 50 to 100°C: experimental calibration 
using Ca-isotope attenuation,  
pp. 373-381

Jonathan B. Martin, 
Nonconservative behavior of Br-/Cl- 
ratios during alteration of volcaniclastic sediments,  
pp. 383-391

C. Arnosti, M. Holmer, 
Carbohydrate dynamics and contributions to the carbon budget of 
an organic-rich coastal sediment,  
pp. 393-403

Changrui Gong, David J. Hollander, 
Evidence for differential degradation of alkenones under 
contrasting bottom water oxygen conditions: 
implication for paleotemperature reconstruction,  
pp. 405-411

Brian A. Bergamaschi, Jeffrey S. Walters, John I. Hedges, 
Distributions of uronic acids and O-methyl sugars in 
sinking and sedimentary particles in two coastal marine environments,  
pp. 413-425

Marc J. Alperin, Christopher S. Martens, Daniel B. Albert, Ismail B. Suayah, 
Larry K. Benninger, Neal E. Blair, Richard A. Jahnke, 
Benthic fluxes and porewater concentration profiles of dissolved organic 
carbon in sediments from the North Carolina continental slope,  
pp. 427-448

David R. Cole, Edward M. Ripley, 
Oxygen isotope fractionation between chlorite and water 
from 170 to 350°C: a preliminary assessment based on 
partial exchange and fluid/rock experiments,  
pp. 449-457

Moira K. Ridley, David J. Wesolowski, Donald A. Palmer, Richard M. Kettler, 
Association quotients of aluminum sulphate complexes in NaCl media 
from 50 to 125°C: Results of a potentiometric and solubility study,  
pp. 459-472

Robert Frei, David Bridgwater, Minik Rosing, Ole Stecher, 
Controversial Pb-Pb and Sm-Nd isotope results in the early Archean Isua 
(West Greenland) oxide iron formation: preservation of primary 
signatures versus secondary disturbances,  
pp. 473-488

Wolfgang Irber, 
The lanthanide tetrad effect and its correlation with K/Rb, Eu/Eu*, Sr/Eu, Y/Ho, 
and Zr/Hf of evolving peraluminous granite suites,  
pp. 489-508

Jacinto Alonso-Azcárate, Adrian J. Boyce, Simon H. Bottrell, Calum I. Macaulay, 
Magdalena Rodas, Anthony E. Fallick, Jose R. Mas, 
Development and use of in situ laser sulfur isotope analyses for pyrite-anhydrite 
geothermometry: An example from the pyrite deposits of the Cameros Basin, NE Spain,  
pp. 509-513

Anselmo Pedroni, Konrad Hammerschmidt, Hans Friedrichsen, 
He, Ne, Ar, and C isotope systematics of geothermal emanations in the Lesser 
Antilles Islands Arc,  
pp. 515-532

Jeff D. Vervoort, Janne Blichert-Toft, 
Evolution of the depleted mantle: Hf isotope evidence from juvenile rocks through time,  
pp. 533-556

Dante Canil, 
Vanadium partitioning between orthopyroxene, spinel and silicate melt 
and the redox states of mantle source regions for primary magmas,  
pp. 557-572

John Longhi, 
Phase equilibrium constraints on angrite petrogenesis,  
pp. 573-585