Are extrusive rhyolites produced from permeable foam eruptions?

This publication has 6 references indexed in Scilit:

• Constraints on magma ascent, emplacement, and eruption: Geochemical and mineralogical data from drill-core samples at Obsidian dome, Inyo chain, California
  Geology, 1987
• Non-explosive silicic volcanism
  Nature, 1986
• Hydrogen isotopic evidence of rhyolitic magma degassing during shallow intrusion and eruption
  Nature, 1983
• Phase equilibria of rock-forming ferromagnesian silicates in granitic systems
  American Journal of Science, 1983
• Viscosity and water content of rhyolite glass
  Journal of Geophysical Research, 1963
• Ash-flow tuffs: Their origin, geologic relations, and identification
  Published by US Geological Survey ,1961