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volcanoes

TermDefinition
volcano a mountain that has a vent containing magma or lava that came from earths crust
lava hot molten rock that has flown from a volcano
magma a hot fluid below or within earths crust that is formed by the cooling of lava
ring of fire a major area around the pacific rim where lots of volcanoes and earthquakes happen
hotspot a small area with a hot tempature
Shield volcano a broad domed volcano with gently sloping sides
Cinder cone volcano a steep conical hill shaped like a cone
composite volcano is also called stratovolcano and is built with layers of hardened lava
sill a tabular sheet of igneous rock intruded between and parallel with the existing data
dike an intrusion of igneous cutting through exiting strata
batholith a very large igneous intrusion extending deep in the earths crust
lava plateau is a large flat high area of land filled with lava
extinct is dead or not living anymore
dormant has been asleep for along time but can wake up
active is living and alive
Volcanic Ash explosive eruption products known as tephera
magma chamber is a large underground pool of liquid rock beneath earths crust
crater a large bowl in a volcano
vent is a large opening in a volcano where lava comes out
pipe is a horizontal opening where lava comes out
caldera a huge crater caused by the collapsing of the mouth of a volcano
hot spring is formed by heated groundwater coming up to the crust
geyser a hot spring that boils all the time and sometimes sends a tall column of water
compound a thing that is composed of two or more separate elements
element a substance that can't be decomposed into simpler subtances
silca
pahoehoe
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Created by: 1966149856
Popular Earth Science sets

 

 



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