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 58
... FRACTURE ZONES Fracture zones are major lines of weakness in the earth's crust that cross the mid - oceanic ridge at approximately right angles ( figures 3.15 and 3.16 ) . The rift valley of the mid - oceanic ridge is offset in many ...
... FRACTURE ZONES Fracture zones are major lines of weakness in the earth's crust that cross the mid - oceanic ridge at approximately right angles ( figures 3.15 and 3.16 ) . The rift valley of the mid - oceanic ridge is offset in many ...
Page 59
... fracture zone between the two segments of the ridge crest ( map view ) . A B Fracture zone Rift valley Fracture zone Mid - oceanic ridge Island Wave erosion Seamounts 100's of meters Guyot Fracture zone SEAMOUNTS , GUYOTS , AND ASEISMIC ...
... fracture zone between the two segments of the ridge crest ( map view ) . A B Fracture zone Rift valley Fracture zone Mid - oceanic ridge Island Wave erosion Seamounts 100's of meters Guyot Fracture zone SEAMOUNTS , GUYOTS , AND ASEISMIC ...
Page 80
... fracture zones . The mid - oceanic ridge is offset along fracture zones ( fig- ure 3.18 ) . Conceivably , the mid - oceanic ridge was once contin- uous across a fracture zone but has been offset by strike - slip fault motion along the ...
... fracture zones . The mid - oceanic ridge is offset along fracture zones ( fig- ure 3.18 ) . Conceivably , the mid - oceanic ridge was once contin- uous across a fracture zone but has been offset by strike - slip fault motion along the ...
Contents
Chapter | 6 |
Box 8 | 8 |
Delivering Alaskan OilThe Environment vs the Economy | 10 |
Copyright | |
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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