1. Age and origin of the Nigerian mesozoic granites: A Rb-Sr isotopic study

   • O. van Breemen
   • J. Hutchinson
   • P. Bowden

   OriginalPaper Pages: 157 - 172

2. Contributions to the mineral chemistry of Hawaiian rocks

   • R. V. Fodor
   • Klaus Keil
   • T. E. Bunch

   OriginalPaper Pages: 173 - 195

3. Diffusion processes in resorbed garnets

   • Pierre de Béthune
   • Dominique Laduron
   • Jacqueline Bocquet

   OriginalPaper Pages: 197 - 204

4. Pyroxene geothermometry of some granulite facies rocks

   • Roger H. Hewins

   OriginalPaper Pages: 205 - 209

5. Analbite → monalbite transition in a heat treated twinned amelia albite

   • Fujio P. Okamura
   • Subrata Ghose

   OriginalPaper Pages: 211 - 216

6. Coexisting garnets and ilmenites synthesized at high pressures from pyrolite and olivine basanite and their significance for kimberlitic assemblages

   • D. H. Green
   • N. V. Sobolev

   OriginalPaper Pages: 217 - 229