1. Editorial

   EditorialNotes Pages: I - I

2. Activity-composition relationships for pyrope-grossular garnet

   • B. J. Hensen
   • R. Schmid
   • B. J. Wood

   OriginalPaper Pages: 161 - 166

3. Distribution of titanium atoms in oxy-kaersutite

   • Masao Kitamura
   • Masayasu Tokonami
   • Nobuo Morimoto

   OriginalPaper Pages: 167 - 172

4. Paleozoic migmatites affected by high-grade tertiary metamorphism in the central Alps (Valle Bodengo, Italy)

   • R. Hänny
   • B. Grauert
   • G. Soptrajanova

   OriginalPaper Pages: 173 - 196

5. Coronas from the Thessaloniki gabbros (North Greece)

   • Elias S. Sapountzis

   OriginalPaper Pages: 197 - 203

6. ²³⁸U-²⁰⁶Pb, ²³⁵U-²⁰⁷Pb, systematics on Pyrenean basement

   • Annie Vitrac-Michard
   • Claude J. Allègre

   OriginalPaper Pages: 205 - 212

7. On the occurrence and stability of divalent chromium in olivines included in diamonds

   • Roger G. Burns

   OriginalPaper Pages: 213 - 221

8. An experimental study of spinel clinopyroxenite xenoliths from the Duncansby Ness vent, Caithness, Scotland

   • N. A. Chapman

   OriginalPaper Pages: 223 - 230

9. Nomenclature and the structure of natural disordered (opaline) silica

   • J. B. Jones
   • E. R. Segnit

   OriginalPaper Pages: 231 - 234