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 188
... Fossils Fossils are common in sedimentary rock , and their presence is important for correlation . Plants and animals that lived at the time the rock formed were buried by sediment , and their fossil remains are preserved in sedimentary ...
... Fossils Fossils are common in sedimentary rock , and their presence is important for correlation . Plants and animals that lived at the time the rock formed were buried by sediment , and their fossil remains are preserved in sedimentary ...
Page 189
... fossils in a rock . Such a fossil assemblage is generally more useful for dating rocks than a single fossil is , because the sediment must have been deposited at a time when all the species represented existed gure 8.15 ) . Some fossils ...
... fossils in a rock . Such a fossil assemblage is generally more useful for dating rocks than a single fossil is , because the sediment must have been deposited at a time when all the species represented existed gure 8.15 ) . Some fossils ...
Page 328
... fossil footprints of animals . Hematite staining may color flood plain deposits red . Lake Thin - bedded shale , perhaps containing fish fossils , is deposited on lake bottoms . If the lake periodically dries up , the shales will be mud ...
... fossil footprints of animals . Hematite staining may color flood plain deposits red . Lake Thin - bedded shale , perhaps containing fish fossils , is deposited on lake bottoms . If the lake periodically dries up , the shales will be mud ...
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