GEOCHIMICA ET COSMOCHIMICA ACTA, 2002, V 66, N 7, 1 April.

A non-steady-state compartmental model of global-scale mercury biogeochemistry 
with interhemispheric atmospheric gradients
C.H. Lamborg, W.F. Fitzgerald, J. O'Donnell, T. Torgersen 
1105-1118  

 Surface complexation and precipitate geometry for aqueous Zn(II) sorption on 
ferrihydrite I: X-ray absorption extended fine structure spectroscopy analysis
G.A. Waychunas, C.C. Fuller, J.A. Davis 
1119-1137  

 Suboxic trace metal geochemistry in the Eastern Tropical North Pacific
T.J. Nameroff, L.S. Balistrieri, J.W. Murray 
1139-1158  

 Comparison of two potential strategies of planktonic foraminifera for house 
building: Mg2+ or H+ removal?
R.E. Zeebe, A. Sanyal
1159-1169  

 Enhanced regeneration of phosphorus during formation of the most recent eastern 
Mediterranean sapropel (S1)
C.P. Slomp, J. Thomson, G.J. de Lange 
1171-1184  

 Tetrad effect in rare earth element distribution patterns: a method of 
quantification with application to rock and mineral samples from granite-related 
rare metal deposits
T. Monecke, U. Kempe, J. Monecke, M. Sala, D. Wolf 
1185-1196  

 Chemical mobilizations in laterites: evidence from trace elements and
238U-234U-230Th disequilibria
O. Dequincey, F. Chabaux, N. Clauer, O. Sigmarsson, N. Liewig, J.-C. Leprun 
1197-1210  

 The effect of chemical processing on the d13C value of plant tissue
P.K. Van de Water 
1211-1219  

 Precise eclogitization ages deduced from Rb/Sr mineral systematics:
The Maksyutov complex, Southern Urals, Russia
J. Glodny, B. Bingen, H. Austrheim, J.F. Molina, A. Rusin 
1221-1235  

 Systematic analysis of K-feldspar 40Ar/39Ar step heating results II: relevance 
of laboratory argon diffusion properties to nature
O.M. Lovera, M. Grove, T.M. Harrison 
1237-1255  

 Ion microprobe analysis of graphite from ca. 3.8 Ga metasediments, Isua 
supracrustal belt, West Greenland: Relationship between metamorphism and carbon 
isotopic composition
Y. Ueno, H. Yurimoto, H. Yoshioka, T. Komiya, S. Maruyama 
1257-1268  

 Rare earth element variations resulting from inversion of pigeonite and 
subsolidus reequilibration in lunar ferroan anorthosites
O.B. James, C. Floss, J.J. McGee 
1269-1284  

 Two populations of carbonate in ALH84001: geochemical evidence for 
discrimination and genesis
J.M. Eiler, J.W. Valley, C.M. Graham, J. Fournelle 
1285-1303