1. Lamprophyric lavas in the Colima graben, SW Mexico

   • J. F. Allan
   • I. S. E. Carmichael

   OriginalPaper Pages: 203 - 216

2. Carbon dioxide in petrogenesis III: role of volatiles in the ascent of alkaline magma with special reference to xenolith-bearing mafic lavas

   • Frank J. Spera

   OriginalPaper Pages: 217 - 232

3. Microstructures in carbonates from the Alnø and Fen carbonatites

   • D. J. Barber
   • H. R. Wenk

   OriginalPaper Pages: 233 - 245

4. Rate and mechanism in prograde metamorphism

   • John V. Walther
   • Bernard J. Wood

   OriginalPaper Pages: 246 - 259

5. Activities of olivine and plagioclase components in silicate melts and their application to geothermometry

   • Allen F. Glazner

   OriginalPaper Pages: 260 - 268

6. Dehydration melting and the granulite transition in metapelites from southern Namaqualand, S. Africa

   • D. J. Waters
   • C. J. Whales

   OriginalPaper Pages: 269 - 275

7. A new sampling technique for fluid phases in hydrothermal experiments applied to the determination of the HF-fugacities of the WFQ-buffer

   • K. Droll
   • H. A. Seck

   OriginalPaper Pages: 276 - 279

8. Genesis of clinopyroxene-amphibole xenoliths from Birket Ram: trace element and petrologic constraints

   • David W. Mittlefehldt

   OriginalPaper Pages: 280 - 287

9. Modification of δD values in eastern Nevada granitoid rocks spatially related to thrust faults

   • D. E. Lee
   • Irving Friedman
   • J. D. Gleason

   OriginalPaper Pages: 288 - 298

10. Phlogopite-chlorite reaction mechanisms and physical conditions during retrograde reactions in the Marble Formation, Franklin, New Jersey

    • Yu -Chyi Yau
    • Lawrence M. Anovitz
    • Donald R. Peacor

    OriginalPaper Pages: 299 - 306