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 27
... oceanic crust than in continental crust . Because of this velocity difference , it is assumed that the two types of crust are made up of different kinds of rock ... Crust ( 750 km thick ) Crust Upper mantle Mantle. The Earth's Interior 27.
... oceanic crust than in continental crust . Because of this velocity difference , it is assumed that the two types of crust are made up of different kinds of rock ... Crust ( 750 km thick ) Crust Upper mantle Mantle. The Earth's Interior 27.
Page 65
... oceanic crust somehow emplaced on land . If this is true , then the gabbro of ophiolites may represent oceanic Layer 3 , and the peridotite may represent mantle rock below oceanic crust . The contact between the peridotite and the ...
... oceanic crust somehow emplaced on land . If this is true , then the gabbro of ophiolites may represent oceanic Layer 3 , and the peridotite may represent mantle rock below oceanic crust . The contact between the peridotite and the ...
Page 90
... ocean becomes nar- rower and narrower until the continents eventually collide . Oceanic lithosphere is heavy and can sink into the mantle , but continental lithosphere is less dense and cannot sink . One continent may slide a short ...
... ocean becomes nar- rower and narrower until the continents eventually collide . Oceanic lithosphere is heavy and can sink into the mantle , but continental lithosphere is less dense and cannot sink . One continent may slide a short ...
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