1. Rare earth elements in alpine peridotites

   • M. Loubet
   • N. Shimizu
   • C. J. Allègre

   OriginalPaper Pages: 1 - 12

2. An electron microscopy study of naturally occurring oxidation produced precipitates in iron-bearing olivines

   • D. L. Kohlstedt
   • J. B. Vander Sande

   OriginalPaper Pages: 13 - 24

3. The transformation of amorphous silica to crystalline silica under hydrothermal conditions

   • Peter Bettermann
   • Friedrich Liebau

   OriginalPaper Pages: 25 - 36

4. Chemistry, subsolidus relations and electron petrography of pyroxenes from the late ferrodiorites of the Skaergaard intrusion, East Greenland

   • Yin Yin Nwe
   • P. A. Copley

   OriginalPaper Pages: 37 - 54

5. Experimental study of \(T - X_{CO_2 } \)boundaries of metamorphic zeolite facies

   • I. P. Ivanov
   • L. P. Gurevich

   OriginalPaper Pages: 55 - 60

6. Direct determination of the quartz-coesite transition by in situ X-Ray measurements: A discussion

   • James Fred Hays

   OriginalPaper Pages: 61 - 63

7. On steep isogradic surfaces in the Simplon area: A discussion

   • A. G. Milnes
   • E. Wenk
   • A. Streckeisen

   Letter Pages: 65 - 70

8. Reply to A.G. Milnes

   • E. Wenk
   • A. Streckeisen

   Letter Pages: 69 - 70