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 86
... PLATE BOUNDARIES At converging plate boundaries two plates move toward each other ( often obliquely ) . The ... subducting plate bends downward , forming the outer wall of an oceanic trench , which usually forms a broad curve convex to ...
... PLATE BOUNDARIES At converging plate boundaries two plates move toward each other ( often obliquely ) . The ... subducting plate bends downward , forming the outer wall of an oceanic trench , which usually forms a broad curve convex to ...
Page 94
... plate . Slab - pull . The dense , leading edge of a subducting plate pulls the rest of the plate along . Plate density increases due to cooling , loss of low - density material , and pressure transformation of minerals to denser forms ...
... plate . Slab - pull . The dense , leading edge of a subducting plate pulls the rest of the plate along . Plate density increases due to cooling , loss of low - density material , and pressure transformation of minerals to denser forms ...
Page 173
... plate boundary here . Converging Boundaries Converging boundaries are of two general types , one marked by the collision of two continents ( figure 7.31A ) , the other marked by subduction of the ocean floor under a continent ( fig- ure ...
... plate boundary here . Converging Boundaries Converging boundaries are of two general types , one marked by the collision of two continents ( figure 7.31A ) , the other marked by subduction of the ocean floor under a continent ( fig- ure ...
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