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Volcano
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2. /a tabular sheet intrusion that has intruded
between older layers of sedimentary rock,
beds of volcanic lava or tuff, or even along the
direction of foliation in metamorphic rock
4. /a very large igneous intrusion extending
deep in the earth's crust
5. Plates /the lithosphere of the earth is
divided into a small number of plates which
float on and travel independently over the
mantle
7. /the sideways and downward movement of
the edge of a plate of the earth's crust into the
mantle beneath another plate
9. of fire /The Ring of Fire is a major area in
the basin of the Pacific Ocean where a large
number of earthquakes and volcanic eruptions
occur
10. /a volcano that has had at least one
eruption during the past 10,000 years
13. /an active volcano that is not erupting, but
supposed to erupt again.
14. /a broad, domed volcano with gently
sloping sides, characteristic of the eruption of
fluid, basaltic lava.
15. /an act or instance of erupting
18. / A steep, conical hill consisting of glassy
volcanic fragments that accumulate around
and downwind from a volcanic vent
1. /a large volcanic crater, typically one
formed by a major eruption leading to the
collapse of the mouth of the volcano
2. /a volcano built up of alternate layers of
lava and ash
3. /has not had an eruption for at least 10,000
years and is not expected to erupt again in a
comparable time scale of the future
6. /Composed chiefly of rock fragments of
explosive origin, especially those associated
with explosive volcanic eruptions
8. /the state of being thick, sticky, and
semifluid in consistency, due to internal
friction
11. /basaltic lava forming very rough jagged
masses with a light frothy texture
12. /a curving chain of active volcanoes
formed above a subduction zone and adjacent
to a convergent plate boundary
16. /a mountain or hill, typically conical,
having a crater or vent through which lava,
rock fragments, hot vapor, and gas are being
or have been erupted from the earth's crust.
17. /relating to or produced by the internal
heat of the earth
19. / A body of igneous rock that cuts across
the structure of adjoining rock, usually as a
result of the intrusion of magma
20. /basaltic lava forming smooth undulating
or ropy masses
21. /a sheet intrusion (or concordant pluton)
that has been injected between two layers of
sedimentary rock
24. /relating to the eruption of large volumes
of molten rock
25. /A place deep within the Earth where hot
magma rises to just underneath the surface,
creating a bulge and volcanic activity
26. / the powdery residue left after the burning
of a substance
27. / gaseous phase of water
28. / A natural hot spring that regularly ejects
a spray of steam and boiling water into the air
22. / a roughly circular mound-shaped
protrusion resulting from the slow extrusion
of viscous lava from a volcano
23. / an opening in or near a volcano, through
which hot sulfurous gases emerge.