1. Crystal-chemical examination of natural diopsides: Some geometrical indications of Si-Ti tetrahedral substitution

   • Susanna Carbonin
   • Gabriella Salviulol
   • A. Dal Negro

   OriginalPaper Pages: 1 - 10

2. Petroloy of the Taga Volcano Group, Izu Peninsula, Central Japan

   • Mitsuo Shimazu
   • Kazuhiro Kurihara

   OriginalPaper Pages: 11 - 24

3. High-pressure metamorphism in gneisses and pelitic schists in the East Rhodope zone (N. Greece)

   • E. Mposkos

   OriginalPaper Pages: 25 - 39

4. The degree of oxidation of iron in synthetic iron-magnesian biotites

   • V. I. Tikhomirova
   • A. N. Konilov
   • S. K. Koshemchuk

   OriginalPaper Pages: 41 - 52

5. A ferrotantalite-ferrotapiolite intergrowth from Spittal a.d. Drau, Carinthia, Austria

   • P. Černý
   • R. Chapman
   • T. S. Ercit

   OriginalPaper Pages: 53 - 63

6. Co-Ni-As sulphides in serpentinites of different metamorphic grade in the eastern Central Alps (Switzerland and Italy)

   • Dorothee J. M. Burkhard

   OriginalPaper Pages: 65 - 71