Scientific American, Volum 235Munn & Company, 1976 |
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Side 46
Hot Spots on the Earth's Surface These regions of unusual volcanic activity record the passage of plates over the ... HOT SPOT in North Africa is an isolated group of 46.
Hot Spots on the Earth's Surface These regions of unusual volcanic activity record the passage of plates over the ... HOT SPOT in North Africa is an isolated group of 46.
Side 49
... hot spot may be the only distinctive feature in an otherwise monotonous landscape . Almost all hot spots are regions of broad crustal uplift , and this swelling is distinct from the smaller - scale moun- tain - forming or island ...
... hot spot may be the only distinctive feature in an otherwise monotonous landscape . Almost all hot spots are regions of broad crustal uplift , and this swelling is distinct from the smaller - scale moun- tain - forming or island ...
Side 50
... hot spots from other sources of volcanism . It should be noted , however , that basalts rich in alka- li metals are found in some converging- plate zones . Of the 122 hot spots we , have identi- fied , 53 are in ocean basins and 69 are ...
... hot spots from other sources of volcanism . It should be noted , however , that basalts rich in alka- li metals are found in some converging- plate zones . Of the 122 hot spots we , have identi- fied , 53 are in ocean basins and 69 are ...
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