1. Compositions of immiscible liquids in volcanic rocks

   • A. R. Philpotts

   OriginalPaper Pages: 201 - 218

2. The microstructures of microcline from some granitic rocks and pegmatites

   • J. D. Fitz Gerald
   • A. C. McLaren

   OriginalPaper Pages: 219 - 229

3. Mineralogical and chemical variations within layered sills of the Deer Lake Complex, Minnesota

   • Edward M. Ripley
   • B. V. Rao
   • John L. Berkley

   OriginalPaper Pages: 230 - 239

4. Oxygen isotope geothermometry and stability of lawsonite and pumpellyite in the Shuksan Suite, North Cascades, Washington

   • E. H. Brown
   • J. R. O'Neil

   OriginalPaper Pages: 240 - 244

5. Isotopic dating of pre-Alpidic rocks from the island of Ios (Cyclades, Greece)

   • Friedhelm Henjes-Kunst
   • Hans Kreuzer

   OriginalPaper Pages: 245 - 253

6. Tracer diffusion of some alkali, alkaline-earth and transition element ions in a basaltic and an andesitic melt, and the implications concerning melt structure

   • Roy K. Lowry
   • Paul Henderson
   • John Nolan

   OriginalPaper Pages: 254 - 261

7. The Colima volcanic complex, Mexico:III

   • James F. Luhr
   • Ian S. E. Carmichael

   OriginalPaper Pages: 262 - 275

8. High temperature heat contents and heat capacities of liquids and glasses in the system NaAlSi₃O₈-CaAl₂Si₂O₈

   • J. F. Stebbins
   • D. F. Weill
   • L. K. Moret

   OriginalPaper Pages: 276 - 284

9. Ca distribution between almandine-rich garnet and plagioclase in pelitic and psammitic schists from the metamorphic basement of North-Eastern Sardinia

   • M. Franceschelli
   • I. Memmi
   • C. A. Ricci

   OriginalPaper Pages: 285 - 295

10. Correction

    • M. P. Dickenson
    • P. C. Hess

    Erratum Pages: 296 - 296

11. Proceedings of the twelfth general meeting International Mineralogical Association 1980

    IMA-News Pages: A3 - A10