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Hawaii
and Yellowstone are hot spot volcanoes formed from:
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The tail of
a mantle plume
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The
age of the Earth accepted by scientists is
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4.6
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What
texture would result from a single fast period of cooing and crystallization?
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Aphanitic
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Why
were Wegners continental drift ideas by scientists of his time?
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He had no
explanation of how the continents moved through the rigid surface of the earth
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Which
of the following has been called the greatest contribution by geology to
western thought, also known as the foundation of modern geology:
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Geological
time
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Deep
focus earthquakes typically occur where?
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Below
oceanic trenches
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Which
statement applies to the astenoshpere and not the lithosphere:
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A
zone between about 35 and 600 kilometers deep that acts like slime
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FThe Law of ...states that
in layers of undisturbed sedimentary rocks or lava flows the youngest layer is
on top and the oldest on bottom
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Superposition
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Different
elements species are define according to
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The number of protons in the nucleus
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The
father of modern geology is:
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James Hutton
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A
sheet like intrusive igneous rock body of small size that cuts across the
original layering of the country rock is called:
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Dike
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If
continental rift successfully breaks a single continent into two discrete
pieces the former rift valley becomes a
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Mid ocean ridge
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What
are vesicles?
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Open spaces
formed in a volcanic rock due to escaping gas
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Which
has the same mineral composition as a basalt?
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Gabbro
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Which
two igneous rocks have aphanitic textures:
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Rhyolite
and basalt
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