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 55
... Mid- America Trench Mindanao Trench- Mariana Trench - Yap Trench Java Trench Bougainville Trench Tonga Trench Peru - Chile Trench New Hebrides Trench / Kermadec Trench South Sandwich Trench Figure 3.13 The distribution ... Mid-Oceanic Ridge.
... Mid- America Trench Mindanao Trench- Mariana Trench - Yap Trench Java Trench Bougainville Trench Tonga Trench Peru - Chile Trench New Hebrides Trench / Kermadec Trench South Sandwich Trench Figure 3.13 The distribution ... Mid-Oceanic Ridge.
Page 58
... mid - oceanic ridge and also with the riftless crest of the ridge in the Pacific Ocean , are shallow - focus earthquakes from 0 to 20 kilometers below the sea floor . Careful measurements of the heat loss from the earth's in- terior ...
... mid - oceanic ridge and also with the riftless crest of the ridge in the Pacific Ocean , are shallow - focus earthquakes from 0 to 20 kilometers below the sea floor . Careful measurements of the heat loss from the earth's in- terior ...
Page 78
... ridge crest Age ( millions of years ago ) Normal magnetism 0.5 1.0 -Reverse magnetism 1.5 Oceanic crust A Positive ... mid - 1960s , magnetometer surveys at sea disclosed some intriguing characteristics of marine magnetic anomalies . Most ...
... ridge crest Age ( millions of years ago ) Normal magnetism 0.5 1.0 -Reverse magnetism 1.5 Oceanic crust A Positive ... mid - 1960s , magnetometer surveys at sea disclosed some intriguing characteristics of marine magnetic anomalies . Most ...
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