2nd quarter

Cards (50)

  • geomorphology?
    study of relief features of earths crust
  • 3 primary gelogic forces?
    diastrophism, erosion, volcanism
  • physical removal of rock?
    erosion
  • diastrophism?
    vertical & horizontal movement of the crust
  • volcanism?
    phenomenon related to processes associated with the surface discharge of magma
  • ex of volcanism: geyser, fumaroles, hot springs, volcano,
  • groundwater underneath is heated up until it explodes into boiling water & steam?
    geyser
  • occurs in geothermal areas?
    hot springs
  • cone-shaped hill formed by the extrusion of lava?
    volcano
  • fumaroles?
    emits mixture of steam & other gases
  • island off sicily named after a roman god of fire?
    vulcano
  • roman god of fire?
    vulcan
  • cone?
    most striking part
  • basin-like depression over a vent at a summit of the cone?
    crater
  • large underground pool of liquid rocks?
    magma chamber
  • rock/magma expelled from a volcano during eruption?
    lava
  • dikes?
    barrier/obstacles
  • intrusive sheets?
    sills
  • opening where eruption takes place?
    vent
  • conduit?
    pie conveying liquid materials
  • sides of a volcano?
    plank
  • entrance?
    throat
  • chunks of lava blasted in the air?
    volcanic bomb
  • volcanic ash expelled in the atmosphere?
    ash cloud
  • fragmented material?
    tephra fall
  • fast-moving currents of hot gases?
    pyroclastic flow
  • highest point?
    summit
  • simplest type, steep conical hill?
    cinder cone
  • alternating layers of pyroclastic materials?
    composite volcanoes
  • round, steep-sided mound?
    volcanic domes
  • makes largest eruptions?
    supervolcanoes
  • broad, gently sloping landform?
    shield volcanoes
  • underwater volcanoes?
    submarine volcanoes
  • beneath glaciers?
    subglacial volcanoes
  • phreatic eruption?
    driven by steam
  • basaltic/andesitic lava fountain & outburst of molten lava?
    strombolian
  • phreatomagmatic eruption?
    ejection of volcanic gases like steam & lava
  • release of large quantities of accumulated volcanic gas?
    vulcanian eruption
  • most destructive eruption?
    plinian
  • pelean eruption?
    formation of domes & glowing avalanches of hot ash (pyroclastic flow)