. The Earth beneath the sea : History . Nautical miles 8m/km 4m/km 2m/km 1000 ^ o SI 1500 2 c 2000 ^ 0) Q 2500 3000 Im/km m/km Fig. 9. Long profile of the northeast Paeific abyssal plains and continental rise. The Aleutian Abyssal Plain lies west of C. Immediately east of C are the steeper gradients of the abyssal gap which connects the Tufts and Alaska Abyssal Plains with the Aleutian Abyssal Plain. East of the steeper gradients of this gap are the abyssal-plain gradients of the Tufts and Alaska Abyssal Plain. Immediately to the west of A and B typical steep gradients of the continental s
. The Earth beneath the sea : History . Nautical miles 8m/km 4m/km 2m/km 1000 ^ o SI 1500 2 c 2000 ^ 0) Q 2500 3000 Im/km m/km Fig. 9. Long profile of the northeast Paeific abyssal plains and continental rise. The Aleutian Abyssal Plain lies west of C. Immediately east of C are the steeper gradients of the abyssal gap which connects the Tufts and Alaska Abyssal Plains with the Aleutian Abyssal Plain. East of the steeper gradients of this gap are the abyssal-plain gradients of the Tufts and Alaska Abyssal Plain. Immediately to the west of A and B typical steep gradients of the continental slope drop to the lower gradients of the continental rise. (After Hurley, 1960.) mounts and ridges at about 50°N separates the southern edge of the Alaskan Abyssal Plain from the Tufts Abyssal Plain, which lies to the south. The Tufts Abyssal Plain is bounded on the south by the Mendocino Rise, on the east by the ridge and trough province, and on the northwest by the same oceanic rise which forms the western boundary of the Alaskan Abyssal Plain. The Alaskan Abyssal Plain is connected by several abyssal gaps to the Tufts Abyssal Plain. On the western boundary of the Tufts Abyssal Plain two distinct interplain channels, the Horizon Channel and the Mukluk Channel, pass through a broad abyssal gap connecting the Tufts Plain to the lower-lying Aleutian Abyssal Plain to the west (Fig. 9). East of the ridge and trough province, which runs from Cape Mendocino to the southern tip of the Queen Charlotte Islands, lies the Cascadia Abyssal Plain.
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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom
