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 | |
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