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 19
... million years the hill will be re- duced nearly to a plain . Similarly , in the geologically " recentā past of several million years ago , a sea may have existed where the hill is now . Some processes are regarded by geologists as ...
... million years the hill will be re- duced nearly to a plain . Similarly , in the geologically " recentā past of several million years ago , a sea may have existed where the hill is now . Some processes are regarded by geologists as ...
Page 21
... million years 2 million years 7 million years 15 million years Sea level Atlantic Ocean OCEANIC CRUST 28 million years Box 1.3 Figure 2 40 million years Drill hole Continent It was not until the 1960s , after new data on the nature of ...
... million years 2 million years 7 million years 15 million years Sea level Atlantic Ocean OCEANIC CRUST 28 million years Box 1.3 Figure 2 40 million years Drill hole Continent It was not until the 1960s , after new data on the nature of ...
Page 80
... million years old or 200 million years old or 1.2 billion years old , or any other age except 70 million years , then both these hypotheses are wrong . But if the rock proves to be 70 million years old , as predicted , then both ...
... million years old or 200 million years old or 1.2 billion years old , or any other age except 70 million years , then both these hypotheses are wrong . But if the rock proves to be 70 million years old , as predicted , then both ...
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