Geochimica et Cosmochimica Acta, 2004, V 68, N 19, 1 October.

1.   
 Geochemical evidence for abrupt changes in relative
 strength of the Arabian monsoons during a 
 stadial/interstadial climate transition  ; 
 Matthew J. Higginson, Mark A. Altabet, 
 David W. Murray, Richard W. Murray 
 and Timothy D. Herbert
 Pages 3807-3826 
 
2.   
 New constraints on the sources and behavior 
 of neodymium and hafnium in seawater
 from Pacific Ocean ferromanganese crusts  ; 
 Tina van de Flierdt, Martin Frank, Der-Chuen Lee,
 Alex N. Halliday, Ben C. Reynolds and James R. Hein
 Pages 3827-3843
 
3.   
 Mg/Ca, Sr/Ca, and stable isotopes in modern
 and Holocene Protothaca staminea shells
 from a northern California coastal
 upwelling region  ; 
 Renee K. Takesue and Alexander van Geen
 Pages 3845-3861 
 
4.   
 Organic matter in small mesopores
 in sediments and soils  ; 
 Lawrence M. Mayer, Linda L. Schick, 
 Kathleen R. Hardy, 
 Rota Wagai and John McCarthy
 Pages 3863-3872  
 
5.   
 Methylhopanoids: Molecular indicators of 
 ancient bacteria and a petroleum correlation tool  ; 
 P. Farrimond, H.M. Talbot, D.F. Watson, 
 L.K. Schulz and A. Wilhelms
 Pages 3873-3882
 
6.   
 Beryllium-10 in Australasian tektites:
Constraints on the location of the source crater  ; 
P. Ma, K. Aggrey, C. Tonzola, C. Schnabel, 
P. de Nicola, G.F. Herzog, J.T. Wasson, 
B.P. Glass, L. Brown, F. Tera et al.
Pages 3883-3896 
 
7.   
 Macroscale NTIMS and microscale 
 LA-MC-ICP-MS Re-Os isotopic analysis of 
 molybdenite: Testing spatial restrictions
 for reliable Re-Os age determinations,
 and implications for the decoupling of 
 Re and Os within molybdenite  ; 
  David Selby and Robert A. Creaser
 Pages 3897-3908
 
8.   
 Ab initio calculation of 1H, 17O, 27Al 
 and 29Si NMR parameters, vibrational 
 frequencies and bonding energetics 
 in hydrous silica and Na-aluminosilicate
 glasses  ; 
 J.D. Kubicki and D.G. Sykes
 Pages 3909-3918 
 
9.   
 Distribution of high field strength and 
 rare earth elements in mantle and lower 
 crustal xenoliths from the Southwestern 
 United States: The role of grain-boundary phases  ; 
 Kent C. Condie, Jessica Cox, Suzanne Y. O;Reilly, 
 W.L. Griffin and Robert Kerrich
 Pages 3919-3942
 
10.   
 Chemical equilibrium and kinetic constraints
 for chondrule and CAI formation conditions  ; 
  C.M.O;D. Alexander
 Pages 3943-3969
 
11.   
 Geochemistry of Cenozoic microtektites
 and clinopyroxene-bearing spherules  ; 
 Billy P. Glass, Heinz Huber and 
 Christian Koeberl
 Pages 3971-4006 
 
12.   
 Formation of chondritic refractory inclusions: 
 The astrophysical setting  ; 
 John A. Wood
 Pages 4007-4021