Volcanoes
Published on Nov 20, 2015
No Description
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PRESENTATION OUTLINE
Fissure:
a narrow opening produced by cleavage
Photo by Kalense Kid
Shield volcano:
a broad volcano built up from the repeated nonexplosive eruptions
Photo by NASA's Marshall Space Flight Center
Cinder cone
a small, conical volcano built of ash and cinders.
Photo by Eric Leslie
Composite volcano:a large, steep volcano
Photo by Brenda Anderson
Lahar:
a landslide of wet volcanic debris
Photo by NASA's Marshall Space Flight Center
Pyroclastic flow
a fast-moving current of hot gas and rock
Photo by NASA Goddard Photo and Video
Hot spring
a thermal spring having water warmer than 98°F
Photo by YellowstoneNPS
Geyser
a hot spring that intermittently sends up fountain like jets of water.
Photo by Juergen Kurlvink
