Physical Geology: Earth RevealedCoverage of plate tectonics is moved to the beginning of the book. The text is also used as the official Annenberg CPB distributed telecourse for physical geology.The beautiful new art program and interactive writing style will grab students' attention and further their interest in the subject. |
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Page 15
... crust and the core . The crust of the earth is analogous to the skin on an apple . The thickness of the crust is insignificant compared to the whole earth . We have direct access to only the crust , and not much of the crust at that ...
... crust and the core . The crust of the earth is analogous to the skin on an apple . The thickness of the crust is insignificant compared to the whole earth . We have direct access to only the crust , and not much of the crust at that ...
Page 27
... crust is the outer layer of rock , which forms a thin skin on the earth's surface . Below the crust lies the mantle , a thick shell of rock that separates the crust ... Crust ( 750 km thick ) Crust Upper mantle Mantle. The Earth's Interior ...
... crust is the outer layer of rock , which forms a thin skin on the earth's surface . Below the crust lies the mantle , a thick shell of rock that separates the crust ... Crust ( 750 km thick ) Crust Upper mantle Mantle. The Earth's Interior ...
Page 265
... crust and result in partial melting to form a granitic magma . ( A ) Mafic magma from the asthenosphere rises through closely spaced fissures in the lower crust ( widths are highly exaggerated in diagram ) . ( B ) Magmatic underplating ...
... crust and result in partial melting to form a granitic magma . ( A ) Mafic magma from the asthenosphere rises through closely spaced fissures in the lower crust ( widths are highly exaggerated in diagram ) . ( B ) Magmatic underplating ...
Contents
Chapter | 6 |
Box 8 | 8 |
Delivering Alaskan OilThe Environment vs the Economy | 10 |
Copyright | |
73 other sections not shown
Common terms and phrases
active America anomalies atoms basalt becomes beds beneath block boundary break building California called caused chapter chemical composition continental continental crust continents cooling core crystal currents deep deposited depth described determine direction earth's magnetic field earth's surface earthquakes erosion eruptions evidence example explain fault field figure flow folds forces geologic geologists granite gravity heat horizontal igneous increase indicate island kilometers land lava layers less lines lithosphere lower magma magnetic mantle margin mass material melting metamorphic meters mid-oceanic ridge million minerals motion mountain belt move movement normal North occur oceanic crust original Photo plains plate tectonics poles position present pressure processes quake quartz range regions relatively ridge rise sea floor sediment sedimentary rock seismic seismic refraction shown slope soil South stress structure subduction surface temperature theory thick Trench United usually volcanoes waves weathering zone