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 237
... solidifying lava flow . When a small concentration of gas is trapped in a cooling lava flow , lava is belched out of a vent through the solidified surface of the flow . Falling lava plasters itself onto the developing cone and solidi ...
... solidifying lava flow . When a small concentration of gas is trapped in a cooling lava flow , lava is belched out of a vent through the solidified surface of the flow . Falling lava plasters itself onto the developing cone and solidi ...
Page 253
... solidified within the throat of a vol- cano . One of the best examples is Ship Rock in New Mexico ( figure 11.6 ) . Here is how geologists interpret the history of this feature . A volcano formed above what is now Ship Rock . The magma ...
... solidified within the throat of a vol- cano . One of the best examples is Ship Rock in New Mexico ( figure 11.6 ) . Here is how geologists interpret the history of this feature . A volcano formed above what is now Ship Rock . The magma ...
Page 266
... solidified near the surface as a direct result of volcanic activity . Volcanic necks solidified within volca- noes . Fine - grained dikes and sills may also have formed in cracks during local extrusive activity . A sill is concordant ...
... solidified near the surface as a direct result of volcanic activity . Volcanic necks solidified within volca- noes . Fine - grained dikes and sills may also have formed in cracks during local extrusive activity . A sill is concordant ...
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