On the Dynamics of Rhyolite Dome Emplacement: Densities and Deformation Fields

• Main Author: Þorbjorg Ágústsdóttir 1981-
• Other Authors: Háskóli Íslands
• Format: Thesis
• Language: English
• Published: 2009
• Subjects: Jarðeðlisfræði; Eldstöðvar; Eldgos; Skjálftavirkni; Þyngdarmælingar; Líkön; Hlíðarfjall; Hrafntinnuhryggur; Hraunbunga; Krafla; glacier; Iceland
• Online Access: http://hdl.handle.net/1946/16072

Silicic rocks in Iceland are generally associated with central volcanoes and are often emplaced on or around caldera rims. Rhyolite magma can rise, due to buoyancy forces and either form a cryptodome in the shallow crust or rise to the surface, where it erupts. Due to its high viscosity and resistan...