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. |
From inside the book
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Page 6
... Heat energy Spinning pinwheel ( mechanical energy ) A pinwheel held over steam is an example of a heat engine . The internal heat engine of the earth is powered by heat flow- ing from the hot interior of the earth toward the cooler ...
... Heat energy Spinning pinwheel ( mechanical energy ) A pinwheel held over steam is an example of a heat engine . The internal heat engine of the earth is powered by heat flow- ing from the hot interior of the earth toward the cooler ...
Page 42
... HEAT WITHIN THE EARTH GEOTHERMAL GRADIENT The temperature increase with depth into the earth is called the geothermal gradient . The geothermal gradient can be measured on land in abandoned wells or on the sea floor by dropping ...
... HEAT WITHIN THE EARTH GEOTHERMAL GRADIENT The temperature increase with depth into the earth is called the geothermal gradient . The geothermal gradient can be measured on land in abandoned wells or on the sea floor by dropping ...
Page 43
Earth Revealed David McGeary, Charles C. Plummer. Heat flow Surface Heat flow is the same from oceans and continents Magma Figure 2.28 Uranium - rich igneous rock Some regions have higher heat flow than others ; the amount of heat flow ...
Earth Revealed David McGeary, Charles C. Plummer. Heat flow Surface Heat flow is the same from oceans and continents Magma Figure 2.28 Uranium - rich igneous rock Some regions have higher heat flow than others ; the amount of heat flow ...
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