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 187
... granite , we cannot say whether the granite is younger or older than the Leet Junction Formation . Nor , as mentioned earlier , can we determine whether the granite formed before , during , or after the tilting of the lower sequence of ...
... granite , we cannot say whether the granite is younger or older than the Leet Junction Formation . Nor , as mentioned earlier , can we determine whether the granite formed before , during , or after the tilting of the lower sequence of ...
Page 250
... granite . Granite is a coarse - grained rock composed predominantly of feldspar and quartz . It is the chemical and mineralogical equivalent of rhyolite . Granite is the most abun- dant intrusive rock found in the continents . What ...
... granite . Granite is a coarse - grained rock composed predominantly of feldspar and quartz . It is the chemical and mineralogical equivalent of rhyolite . Granite is the most abun- dant intrusive rock found in the continents . What ...
Page 257
... granite pluton cools , increasingly more of the magma solidifies into the minerals of a granite . By the time the pluton is well over 90 % solid , the residual magma con- tains a very high amount of silica and ions of elements that will ...
... granite pluton cools , increasingly more of the magma solidifies into the minerals of a granite . By the time the pluton is well over 90 % solid , the residual magma con- tains a very high amount of silica and ions of elements that will ...
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