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 259
... magma chamber . The rocks containing the hot water are penetrated by drilling . Steam exiting the hole is used to generate electricity . Why not drill into and tap magma itself for energy ? The amount of energy stored in a body of magma ...
... magma chamber . The rocks containing the hot water are penetrated by drilling . Steam exiting the hole is used to generate electricity . Why not drill into and tap magma itself for energy ? The amount of energy stored in a body of magma ...
Page 262
... magma from which they crystallized . What is pictured happening is that as the olivine crystallizes from the magma , the crystals settle to the bottom of the magma cham- ber ( figure 11.17 ) . Calcium - rich plagioclase also separates ...
... magma from which they crystallized . What is pictured happening is that as the olivine crystallizes from the magma , the crystals settle to the bottom of the magma cham- ber ( figure 11.17 ) . Calcium - rich plagioclase also separates ...
Page 265
... magma generation at a converging boundary . How mafic magma could add heat to the lower crust and result in partial melting to form a granitic magma . ( A ) Mafic magma from the asthenosphere rises through closely spaced fissures in the ...
... magma generation at a converging boundary . How mafic magma could add heat to the lower crust and result in partial melting to form a granitic magma . ( A ) Mafic magma from the asthenosphere rises through closely spaced fissures in the ...
Contents
Chapter | 6 |
Box 8 | 8 |
Delivering Alaskan OilThe Environment vs the Economy | 10 |
Copyright | |
73 other sections not shown
Common terms and phrases
active America anomalies atoms basalt becomes beds beneath block boundary break building California called caused chapter chemical composition continental continental crust continents cooling core crystal currents deep deposited depth described determine direction earth's magnetic field earth's surface earthquakes erosion eruptions evidence example explain fault field figure flow folds forces geologic geologists granite gravity heat horizontal igneous increase indicate island kilometers land lava layers less lines lithosphere lower magma magnetic mantle margin mass material melting metamorphic meters mid-oceanic ridge million minerals motion mountain belt move movement normal North occur oceanic crust original Photo plains plate tectonics poles position present pressure processes quake quartz range regions relatively ridge rise sea floor sediment sedimentary rock seismic seismic refraction shown slope soil South stress structure subduction surface temperature theory thick Trench United usually volcanoes waves weathering zone