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
Results 1-3 of 23
Page 58
... major structural trends on continents appear to lie along the hypothetical exten- sion of fracture zones onto the continents . Figure 3.18 Fracture zones , which run perpendicular to the. 58 Chapter 3 Geologic Activity on the Ridge Fracture ...
... major structural trends on continents appear to lie along the hypothetical exten- sion of fracture zones onto the continents . Figure 3.18 Fracture zones , which run perpendicular to the. 58 Chapter 3 Geologic Activity on the Ridge Fracture ...
Page 59
... Fracture zones , which run perpendicular to the ridge crest and separate the ridge into segments , are often marked by steep cliffs up to 3 or 4 kilometers high . Ridge crest Fracture zone Figure 3.19 Shallow - focus earthquakes ( shown ...
... Fracture zones , which run perpendicular to the ridge crest and separate the ridge into segments , are often marked by steep cliffs up to 3 or 4 kilometers high . Ridge crest Fracture zone Figure 3.19 Shallow - focus earthquakes ( shown ...
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 | |
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