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These fertile soils assist the growth of plants and various crops They are or were the hottest lavas, and probably more fluid than common mafic lavas
Reviews in Mineralogy and Geochemistry - A guide for children and youth• Felsic lavas or tend to be highly not very fluid and are erupted as domes or short, stubby flows

The volcanic chain is a series of shield cones, and they are common in , as well.

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By contrast, volcanoes are usually not created where two tectonic plates slide past one another
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Like stratovolcanoes, they can produce violent, explosive eruptions, but their lavas generally do not flow far from the originating vent
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Most are at the bottom of the oceans, therefore most volcanic activity is submarine, forming new seafloor
New is being formed by hot molten rock slowly cooling and solidifying Most are at the bottom of the oceans, therefore most volcanic activity is submarine, forming new seafloor
Within a relatively short geologic time scale stratovolcanoes are more dangerous see for a list of dangers Felsic lavas or tend to be highly not very fluid and are erupted as domes or short, stubby flows

's , formed by the eruption of near in 1912, is an example of a thick or deposit.

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in and in are examples of cinder cones
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Examples include in of western USA, in and in ,
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This collection consists of 235 photographs in a study of plant habitats following the May 18, 1980 eruption of Mount St
, , , and often accompany volcanic activity
the , including and , on both and ;• University of Hawaii Press, Honolulu Volcanic eruptions can also create new islands, as the magma cools and solidifies upon contact with the water

When it does reach the surface, a volcano is formed.

حل كتاب الاجتماعيات ثاني متوسط ف1 1443
The injected ash also falls rapidly from the stratosphere; most of it is removed within several days to a few weeks
الدرجة السيليزية للصهير في البركان الغطائي تساوي
are highly hazardous products of such volcanoes, since they are composed of molten volcanic ash too heavy to go up into the atmosphere, so they hug the volcano's slopes and travel far from their vents during large eruptions
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New is being formed by hot molten rock slowly cooling and solidifying