1. Editorial

   • F. Barberi
   • F. Esu Cugusi

   EditorialNotes Pages: 493 - 493

2. Les formations volcaniques récentes du Sud de l’Iran (Kouh-e-Shahsavaran): données pétrologiques préliminaires; implications structurales

   • M. Girod
   • G. Conrad

   OriginalPaper Pages: 495 - 511

3. A fluidization mechanism for subsidence of bedded tuffs in diatremes and related volcanic vents

   • M. E. McCallum
   • T. S. Woolsey
   • S. A. Schumm

   OriginalPaper Pages: 512 - 527

4. Frequency distributions of major elements (Pb, Zn, Cu) in the main polymetallic deposits of the Baia Mare district (Romania)

   • L. Steclaci

   OriginalPaper Pages: 528 - 535

5. SO₂ emission of the 1974 eruption of Volcán Fuego, Guatemala

   • T. C. Crafford

   OriginalPaper Pages: 536 - 556

6. Geochemistry of upper cretaceous volcanic rocks from the pontic chain, northern turkey

   • A. Peccerillo
   • S. R. Taylor

   OriginalPaper Pages: 557 - 569

7. Lava lake oscillations and the magma reservoir beneath a volcano

   • D. Shimozuru

   OriginalPaper Pages: 570 - 580

8. Pillow lava flows: Isolated sacks or connected tubes?

   • M. Vuagnat

   OriginalPaper Pages: 581 - 589