1. Vergleichende geochemische Untersuchungen an ost- und südalpinen Graniten, Granodioriten und Tonaliten

   • Heinrich Gundlach
   • Franz Karl
   • Georg Müller

   OriginalPaper Pages: 285 - 299

2. Mineral and chemical variations within an ash-flow sheet from Aso caldera, Southwestern Japan

   • Peter W. Lipman

   OriginalPaper Pages: 300 - 327

3. The problem of rock assimilation by Somma-Vesuvius magma

   • Carlo Savelli

   OriginalPaper Pages: 328 - 353

4. Direct electron-microscopic proof of domain texture in orthoclase (KAlSi₃O₈)

   • H. -U. Nissen

   OriginalPaper Pages: 354 - 360