Mineralogical Magazine, 2004, V 68, N 5, October.

Intrusive history of the Slieve Gullion ring dyke,
Ireland: implications for the internal structure
of silicic sub-caldera magma chambers 
S. McDonnell; V.R. Troll; C.H. Emeleus; 
I.G. Meighan; D. Brock; R.J. Gould 
725 

Chemical evolution of Nb-Ta oxides and 
zircon from the Koktokay No. 3 granitic 
pegmatite, Altai, northwestern China  
A.C. Zhang; R.C. Wang; H. Hu; H. Zhang;
J.C. Zhu; X.M. Chen 
739

The first proof of protonated anion
tetrahedra in the tsumcorite-type 
compounds  
T.H. Mihajlovi; H. Effenberger 
757

Zoned Ca-amphiboles and related P-T
evolution in metabasites from the 
classical Barrovian metamorphic 
zones in Scotland 
M. Zenk; B. Schulz 
769 

Niocalite-cuspidine solid solution
and manganoan monticellite from
natrocarbonatite, Oldoinyo Lengai,
Tanzania
R.H. Mitchell; F. Belton 
 787 

Infrared and Raman spectra of ZrSiO4
experimentally shocked at high 
pressures
A. Gucsik; M. Zhang; C. Koeberl; 
E.K.H. Salje; S.A.T. Redfern; J.M. Pruneda 
801 

An ab initio study of the relative stabilities
and equations of state of Fe3S polymorphs  
P. Martin; L. Voadlo; D. Alfe; G.D. Price 
813

Quantum mechanical study of Al/Si 
disorder in leucite and bicchulite 
B. Winkler; V. Milman; C.J. Pickard
819 

Book Reviews 
831