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 92
Earth Revealed David McGeary, Charles C. Plummer. 4.1 In Greater Depth Plate Tectonics and Sea Level Plate slides downhill on this surface Ridge - push . Geologists have long known that at certain times in the geo- logic past the sea ...
Earth Revealed David McGeary, Charles C. Plummer. 4.1 In Greater Depth Plate Tectonics and Sea Level Plate slides downhill on this surface Ridge - push . Geologists have long known that at certain times in the geo- logic past the sea ...
Page 99
... plate density . The older the subducting rock is , the colder and denser it is . Old , dense plates may sink to the base of the mantle , while younger plates , being ... Plate tectonics is the idea that the earth's surface. Plate Tectonics ...
... plate density . The older the subducting rock is , the colder and denser it is . Old , dense plates may sink to the base of the mantle , while younger plates , being ... Plate tectonics is the idea that the earth's surface. Plate Tectonics ...
Page 101
Earth Revealed David McGeary, Charles C. Plummer. 15. Explain how plate tectonics can account for the existence of oceanic trenches as well as their low heat flow , their negative gravity anomalies , the associated ... Plate Tectonics 101.
Earth Revealed David McGeary, Charles C. Plummer. 15. Explain how plate tectonics can account for the existence of oceanic trenches as well as their low heat flow , their negative gravity anomalies , the associated ... Plate Tectonics 101.
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