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
... lithosphere , called the asthenosphere , is soft and therefore flows easily . It provides a " lubricating " layer over which the lithosphere moves ( asthenos means " weak " in Greek ) . Where hot mantle material wells up- ward , it will ...
... lithosphere , called the asthenosphere , is soft and therefore flows easily . It provides a " lubricating " layer over which the lithosphere moves ( asthenos means " weak " in Greek ) . Where hot mantle material wells up- ward , it will ...
Page 30
... lithosphere contains the crust and the uppermost mantle . The plastic asthenosphere slows down seismic waves ... lithosphere , the outer shell of the earth that is relatively strong and brittle . The lithosphere makes up the plates of ...
... lithosphere contains the crust and the uppermost mantle . The plastic asthenosphere slows down seismic waves ... lithosphere , the outer shell of the earth that is relatively strong and brittle . The lithosphere makes up the plates of ...
Page 77
... Lithosphere ( plate ) 125+ km ? Asthenosphere 200 km - ? - ? - Figure 4.13 Upper mantle The rigid lithosphere includes the crust and uppermost mantle ; it forms . the plates . The plastic asthenosphere acts as a lubricating layer ...
... Lithosphere ( plate ) 125+ km ? Asthenosphere 200 km - ? - ? - Figure 4.13 Upper mantle The rigid lithosphere includes the crust and uppermost mantle ; it forms . the plates . The plastic asthenosphere acts as a lubricating layer ...
Contents
Chapter | 6 |
Box 8 | 8 |
Delivering Alaskan OilThe Environment vs the Economy | 10 |
Copyright | |
74 other sections not shown
Common terms and phrases
abyssal plains andesite asthenosphere atoms basalt basin beds beneath Benioff zone California Canyon caused chapter chemical weathering composition continental crust continental rise continental slope continents convection converging boundary cooling core craton crystal deep deposited depth dikes diverging boundary drilling earth's crust earth's surface earthquakes erosion eruptions feldspar folds fossils fracture zones gabbro geologists granite gravity heat flow horizontal hot mantle igneous rock isostatic kilometers lava flows lithosphere mafic magma magnetic anomalies mantle rock melting metamorphic rocks meteorites meters mid-oceanic ridge million mountain belt mountain ranges move normal faults occur oceanic crust oceanic trenches Photo plate boundaries plate motion plate tectonics plutonic pressure quake quartz reef regions ridge crest rift valley San Andreas fault sandstone sea floor sea level sediment sedimentary rock seismic waves shale shown in figure silicate soil solidified stress structure subducting plate temperature terrane thick turbidity currents U.S. Geological Survey uplift volcanoes