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Phrase ash flow

PhrasesPortable
  • Block-and-ash flows and thick lava flows of high viscosity form the stratocone.
  • These tuffs arose as volcanic ash falls, ash flows and turbidite deposits.
  • The St Marys Porphyrite is an ash flow of dacite from.
  • The ash flows are K-rich andesitic-dacitic and contain amphibole and biotite.
  • This deposited } } of tephra on the earlier block-and-ash flow.
  • The third and final block-and-ash flow deposited breccia more than } } thick.
  • These ash flows began the second series of high magmatism formations.
  • A few ash flow tuffs also constitute this phase of volcanism.
  • Volcanic activity mostly consists of explosive eruptions and ash flows.
  • An ash flow from this explosion was recognised 2, 500 km west of the volcano.
  • The major ash flow tuff sheets produced, range in volume from 35 to 650 km 3.
  • In the Oligocene, ash flows became the predominant deposit of the area, with interbedded lava flows between.
  • An ash flow on Saturday ignited vegetation near a new hospital in the southern capital, Plymouth, evacuated in 1996.
  • In places deep canyons have been cut by the River Lethe, allowing observers to see the ash flow strata.
  • The ash flow has formed a new land mass near the airport, a black peninsula jutting into the sea.
  • The ash flows from the eruption flowed out of the caldera, forming flow structures similar to large lava flows.
  • Block-and-ash flows, hot avalanches, lava domes, lava flows, and pyroclastic flows have all been involved in the activity of Lastarria.
  • Its breached northern rim has been a pathway for lava and ash flows that have traveled throughout the nearby Pemberton Valley.
  • The main cone is formed by dacites and block-and-ash flows that were later intruded by dacitic porphyries, associated with hydrothermal alteration.
  • Volcanism at Ciomadul consisted mostly of the extrusion of lava domes, their collapse forming block-and-ash flows and subplinian and Volcanic eruptions.
  • Plus d'exemples:  1  2  3