. The Earth beneath the sea : History . VERTICAL EXAGGERATION 40 I 0- -I 000 -2000 -3000 -1 000 5 000 6000 -7000 8000 â 9 000 O X 1- < Ll 0 -1 000 -2000 3000 4000 5 000 6000 7 000 8000 9000 10,0 00 N 40 1 0 0 SCALE IN NAUTICAL MILES 300 200 CRYSTAL 100 0 100 200 300 400 500 STRUCTLHE AND CONTINKNTAI. MARGIN PKONINCKS Fig. 8. Crustal structure and continental margin provinces. The three profiles represent typical areas of the continental margin of North America. They may represent a genetic sequence, starting with an unfilled trench, such as Puerto Rico, and ending with
. The Earth beneath the sea : History . VERTICAL EXAGGERATION 40 I 0- -I 000 -2000 -3000 -1 000 5 000 6000 -7000 8000 â 9 000 O X 1- < Ll 0 -1 000 -2000 3000 4000 5 000 6000 7 000 8000 9000 10,0 00 N 40 1 0 0 SCALE IN NAUTICAL MILES 300 200 CRYSTAL 100 0 100 200 300 400 500 STRUCTLHE AND CONTINKNTAI. MARGIN PKONINCKS Fig. 8. Crustal structure and continental margin provinces. The three profiles represent typical areas of the continental margin of North America. They may represent a genetic sequence, starting with an unfilled trench, such as Puerto Rico, and ending with a filled marginal trench, as illustrated by the Newfoundland profile. (After Heezen et al., 1959.)
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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom
