Journal of Petrology, 2005, V 46, N 1, January.

MARJORIE WILSON 
Editorial 2005 
Pp. 1-2; 

B. L. A. CHARLIER, C. J. N. WILSON, 
J. B. LOWENSTERN, S. BLAKE, P. W. VAN CALSTEREN,
and J. P. DAVIDSON 
Magma Generation at a Large, Hyperactive 
Silicic Volcano (Taupo, New Zealand) 
Revealed by U–Th and U–Pb Systematics in Zircons 
Pp. 3-32; 

ZHENGFU GUO, JAN HERTOGEN, JIAQI LIU, PAUL PASTEELS, 
ARIEL BOVEN, LEA PUNZALAN, HUAIYU HE, XIANGJUN LUO, and WENHUA ZHANG 
Potassic Magmatism in Western Sichuan and Yunnan
Provinces, SE Tibet, China: Petrological 
and Geochemical Constraints on Petrogenesis 
Pp. 33-78; 

IVAN VLASTELIC, THOMAS STAUDACHER, and MICHEL SEMET 
Rapid Change of Lava Composition from 1998 to 2002
at Piton de la Fournaise (R?union) Inferred from 
Pb Isotopes and Trace Elements: Evidence for 
Variable Crustal Contamination 
Pp. 79-107; 

KAREN S. HARPP, VIRGINIA D. WANLESS, ROBERT H. OTTO, 
KAJ HOERNLE, and REINHARD WERNER 
The Cocos and Carnegie Aseismic Ridges: a Trace 
Element Record of Long-term Plume–Spreading Center Interaction 
Pp. 109-133; 

JASPER BERNDT, JURGEN KOEPKE, and FRANCOIS HOLTZ 
An Experimental Investigation of the Influence 
of Water and Oxygen Fugacity on Differentiation of MORB at 200 MPa 
Pp. 135-167;

K. RANKENBURG, J. C. LASSITER, and G. BREY 
The Role of Continental Crust and Lithospheric Mantle
in the Genesis of Cameroon Volcanic Line Lavas: 
Constraints from Isotopic Variations in Lavas and 
Megacrysts from the Biu and Jos Plateaux 
Pp. 169-190; 

RALF HALAMA, TORSTEN VENNEMANN, WOLFGANG SIEBEL, 
and GREGOR MARKL 
The Gr?nnedal-Ika Carbonatite–Syenite Complex, 
South Greenland: Carbonatite Formation by 
Liquid Immiscibility 
Pp. 191-217; 

Erratum 
Pp. 219;