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12 Cards in this Set
- Front
- Back
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S-waves cannot pass through _________ .
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liquid
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The Crust contains _________ ________ ________ _________ .
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mafic to felsic silicates
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The Oceanic crust contains _______ and _______ and is _______ thick.
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basalt, gabbro, <10 km
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The Continental crust contains ________ and ________ and is _______ thick.
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granite, diorite, 30-70 km
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The mantle contains _________ ________ is _________ thick.
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ultramafic silicates, approximately 3500 km
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The crust and the mantle are both ____________ layers of the Earth.
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chemical
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The ______ physical layers are: _________, _________, _________, _________, and _________ .
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five, lithosphere, asthenosphere and upper mantle, lower mantle, outer core, inner core
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Seismic velocities generally ________ with ________, but they ________ within the ________ .
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increase, depth, decrease, aesthenosphere
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The aesthenosphere has ________, ________ _______ _______.
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hot weak ductile rock
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Seismic velocities ________ suddenly and dramatically upon entering the ________ ________ .
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decrease, outer core
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The greatest velocities are in the ________ ________ .
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lower mantle
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Moho
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seismic definition of crust/mantle boundary
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