Page 425 - (DK) Ocean - The Definitive Visual Guide

KEY 423
Okhotsk
EURASIAN PLATE Plate NORTH EURASIAN sea level land
AMERICAN
Arabian PLATE PLATE
TECTONIC PLATES Plate Phillippine Juan de Fuca Rivera Caribbean 800 ft seamount
Earth’s surface is split into Plate Plate Plate Plate (250 m) sea depth
7 major plates and at least 15 minor Indian PACIFIC PLATE 1,600 ft
ones. Their boundaries are most Plate Bismarck Cocos AFRICAN (500 m) maximum depth
on map
3,300 ft
clearly expressed in the topography Plate Caroline Plate PLATE (1,000 m)
SOUTH
of the sea floor, where mid-ocean Plate Easter AMERICAN 6,500 ft convergent
ridges, ocean trenches, and fracture AUSTRALIAN Plate Nazca PLATE (2,000 m) boundary
Plate
zones represent divergent, PLATE Fiji Scotia 9,800 ft divergent
Plate
boundary
convergent, and transform Juan Fernandez Plate (3,000 m) transform
boundaries, respectively. Although Plate 16,400 ft boundary
some plates have continental and ANTARCTIC Shetland (5,000 m) uncertain
oceanic parts, the largest, the PLATE Plate Sandwich boundary
Pacific Plate, is only oceanic crust. Plate
150ºW 120ºW 90ºW 60ºW 30ºW 0º
3,718m
(12,199ft) Ellesmere Island
Canada Queen Elizabeth Greenland Spitsberg
Basin Islands Baffin Sea
Beaufort Banks Ba y Baffin Greenland
Sea Island Victoria Basin Norwegian
Island Baffin Island Denmark Strait Iceland Sea Arctic Circ
Yukon River Davis Strait Norwegian
Reykjanes Ridge
Basin
Basin
60º
Hudson Labrador Sea Reykjanes Iceland Basin Scandinavi
Ba y
Gulf of Labrador North
Alaska Basin Charlie Gibbs Sea
Fracture Zone Ireland
Britain
Vancouver Great Newfoundland Northwest Atlantic 4,139m
Island Lakes 13m Mid-Ocean Channel (13,580ft) EUROPE
NORTH (43ft)
Newfoundland
AMERICA Basin Iberian
Mendocino Fracture Zone Azores Plain Mediterranean Sea
Mid-Atlantic Ridge
5,999m 5,464m Sohm
Oceanographers Fracture Zone
(19,683ft)
Murray Fracture Zone Rio Grande Hatteras Sargasso Sea Plain Madeira 30º
(17,927ft)
Plain
Canary
Plain
Molokai Fracture Zone Gulf of Greater Antilles Nares Plain (12,402ft) Cape Verde Islands Tropic of Canc
3,780m
Mexico
Basin
Hawaiian Barracuda Fracture Zone Cape Verde AFRICA
Islands Clarion Fracture Zone Caribbean 8,952m Islands
OCEAN Middle America Trench Sea (29,404ft) ATLANTIC Niger
Guatemala
Clipperton Fracture Zone (12,487ft) Orinoco Demerara Sierra
Basin
3,806m
Plain
Leone
OCEAN
Basin
5,451m Galapagos Fracture Zone Galapagos Amazon Guinea Equat
Basin
4,567m
Islands
Brazil
(17,885ft) Marquesas (14,984ft) East Pacific Rise Bauer P e r u – C SOUTH Basin Ascension Fracture Zone Cong
Islands
P Marquesas Fracture Zone Basin
o AMERICA Sao Francisco
l Tiki
y Basin 5,706m Angola
n Basin (18,721ft) Basin
e Mendaña Fracture Zone Peru h i l e Tr e n c h
s 5,042m
i Yupanqui Nazca Ridge (16,543ft)
Tuamotu Islands
a 8,069m
Basin (26,474ft)
Easter Fracture Zone Chile Parana Tropic of Caprico
Easter Fracture Zone
Basin Rio Grande Fracture Zone
Roggeveen Rio Grande
Agassiz Fracture Zone Basin Rise Mid-Atlantic Ridge Walvis Ridge 30
Cape Cape
1,739m
Challenger Fracture Zone
Southwest Pacific East Pacific Rise 1,426m (5,706ft) Basin Goo
Basin (4,679ft) Chile Rise Argentine Gough Fracture Zone Hop
Basin
Mornington Abyssal
Plain
Falkland South
6,034m Islands Georgia Atlantic–India
Menard Fracture Zone
(19,798ft) Ridge
Eltanin Fracture Zone
Cape Horn
7,152m
Scotia Sea (23,466ft) America–Antarctica Ridge ATLAS OF THE OCEANS
Drake
Udintsev Fracture Zone
Bellingshausen Plain Passage 60º
Southeast Pacific SOUTHERN OCEAN
4,283m Basin
(14,058ft) Antarctic Peninsula Weddell Plain Antarctic Circ
Amundsen Plain Amundsen Sea Bellingshausen Sea
Weddell Sea
ANTARCTICA Ronne Ice Shelf
150ºW 120ºW 90ºW 60ºW 30ºW 0º