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. |
From inside the book
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Page 72
... Continents fixed , poles wander . ( B ) Poles fixed , continents drift . For simplicity , the continents in B are shown as having moved as a unit , without changing positions relative to one another . If continents move , they should ...
... Continents fixed , poles wander . ( B ) Poles fixed , continents drift . For simplicity , the continents in B are shown as having moved as a unit , without changing positions relative to one another . If continents move , they should ...
Page 74
... continent shows a different position for the Permian pole . A different magnetic pole for each continent seems highly unlikely . A better explanation is that a single pole stood still while continents split apart and rotated as they ...
... continent shows a different position for the Permian pole . A different magnetic pole for each continent seems highly unlikely . A better explanation is that a single pole stood still while continents split apart and rotated as they ...
Page 75
... continents are continental shelves ( part of continents ) . Colored areas within continents are broad belts of rock that correlate in type and age from one continent to another . Arrows show direction of glacier movement as determined ...
... continents are continental shelves ( part of continents ) . Colored areas within continents are broad belts of rock that correlate in type and age from one continent to another . Arrows show direction of glacier movement as determined ...
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