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Etna and the Etna region
Geological setting and volcanic history
Volcanic processes and products
The rheological behaviour of basaltic lavas
Petrology and magmatic processes
absolute viscosity Acitrezza Adrano alkalic series altitude augite basal tholeiitic volcanics behaviour benmoreites Biancavilla Bocca Nuova caldera Catania central conduit Central Crater centre Chasm cinder cone collapse composition considered Cristofolini crystal deformation depth developed diameter Duncan dyke earthquakes effusion rate Equation erup Etna region Etna's explosive activity fissure opened flank eruptions flow field flow front fluid gases hawaiite hazard hyaloclastite increase island J. E. Guest kaersutite Kilauea lapilli lava flows lower magma material measurements melt ments Mount Etna mugearites Newtonian North-east Crater observed occur olivine pahoehoe particles Paterno phase phenocrysts Photograph phreatomagmatic plagioclase relative result rheological rift rocks Romano sector seismic shear rate shear stress Sicily slopes strombolian activity strombolian explosions suggests summit activity Summit Cone surface Tanguy temperature tephra thickness tion town trend Trifoglietto tube upper Valle del Bove variation Vavalaci vent area volcano yield strength zone