The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة 19
... ocean basins have been extended in later geologic ages , breaking into once wider continental platforms . The resultant increase in the volume of the ocean basins has led to a drawing off of the ocean waters from the continental areas ...
... ocean basins have been extended in later geologic ages , breaking into once wider continental platforms . The resultant increase in the volume of the ocean basins has led to a drawing off of the ocean waters from the continental areas ...
الصفحة 20
... ocean . Thus the Mississippi has built a delta of over 60,000 square miles extending practically from its old mouth at Cairo , Illinois to the Gulf where it is now depositing some 113,000,000 tons of silt yearly and extending its delta ...
... ocean . Thus the Mississippi has built a delta of over 60,000 square miles extending practically from its old mouth at Cairo , Illinois to the Gulf where it is now depositing some 113,000,000 tons of silt yearly and extending its delta ...
الصفحة 21
... ocean seems , it contains only 2.7 pounds per hundredweight . To have taken this amount of salt from the land and transferred it to the ocean has required from one to two hundred million years . Great Salt Lake in Utah is but the salty ...
... ocean seems , it contains only 2.7 pounds per hundredweight . To have taken this amount of salt from the land and transferred it to the ocean has required from one to two hundred million years . Great Salt Lake in Utah is but the salty ...
الصفحة 22
... oceans as well . It may be broadly stated that were it not for the circulation of water with vast depths of the earth's crust we would have no workable deposits of any of the metals such as iron , copper , lead , tin , chromium , gold ...
... oceans as well . It may be broadly stated that were it not for the circulation of water with vast depths of the earth's crust we would have no workable deposits of any of the metals such as iron , copper , lead , tin , chromium , gold ...
الصفحة 35
... the equator some 62 feet of water are taken yearly from the surface of the ocean . This spreads over . the earth and › prevents the rapid dissipation of the heat received from the LIFE , ITS NATURE AND DISTRIBUTION 35 Properties of Water.
... the equator some 62 feet of water are taken yearly from the surface of the ocean . This spreads over . the earth and › prevents the rapid dissipation of the heat received from the LIFE , ITS NATURE AND DISTRIBUTION 35 Properties of Water.
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