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 | |
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