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Published byKathleen Ashlee Doyle Modified over 9 years ago
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Global distribution of heat text
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Spectra of incoming vs. outgoing radiation text
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Heat loss and gain from the oceans text
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The Modern Ocean Conveyor Belt
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North Atlantic circulation
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North Atlantic
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Atlantic deep-water circulation
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Global deep-ocean circulation
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Phanerozoic glaciation
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Gondwana moves over the South Pole
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Vail – 1 st & 2 nd order SL cycles
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Sea level & spreading rates
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0 5 10 20 30 40 50 60 10 20 30 40 50 60 Relation of Sea-Floor Age to Depth and Spreading Rate Pacific Atlantic SW Indian MOR Age of crust (My)
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Cretaceous – fast spreading 6-8 cm/yr
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Modern spreading – 3-4 cm/yr
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Ocean basins and continental collision
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Fragmented continents – high SL
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Assembled continents riding high
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Global ice volume
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Vail – 1 st & 2 nd order SL cycles Cretaceous high
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Cretaceous 100 Ma Land & ocean
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Latitudinal heat distribution – Cretaceous
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Modern deep-water circulation
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Cretaceous deep-water circulation
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Cretaceous sources of dense water
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Mid-Cretaceous Europe
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Cretaceous warm deep water circulation
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Breaking up Pangaea
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Opening the Atlantic – Pangaea / Permian
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Opening the Atlantic – Permian
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Opening the Atlantic – Triassic
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Opening the Atlantic – Early Jurassic
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Opening the Atlantic Middle Jurassic
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Opening the Atlantic – Middle Jurassic
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Opening the Atlantic – Late Jurassic
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Opening the Atlantic – Early Cretaceous
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Opening the Atlantic Middle Cretaceous
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Opening the Atlantic – Middle Cretaceous
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Opening the Atlantic – Late Cretaceous
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Isotope record since the Late Cretaceous
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Ice volume and isotopes
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d18O of ice at poles
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Isotope record since the Late Cretaceous
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Ocean gateways – submarine plateaus
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Isolating Antarctica
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North Atlantic Iceland-Faeroe Ridge
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North Atlantic features
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Caribbean Sea Gulf of Mexico Panama Antilles Islands (volcanic) Puerto Rican Trench Amazon Cone Caribbean Sea Cayman Trough
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South Atlantic South America Africa Antarctica Walvis Ridge Rio Grande Rise & Vema Channel Drake Passage
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Walvis Ridge
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Patagonia & Drake Passage Antarctic Peninsula (1) Falkland Plateau & IslandsFalkland Plateau & Islands (2) South Sandwich TrenchSouth Sandwich Trench & Islands
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Southern Ocean Australia South America South Africa
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Southern Indian Ocean Australia Africa Kerguelen Plateau Antarctica Tasman Plateau
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Northern Indian Ocean 90 East Ridge Chagos- Laccadive Plateau
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Australia & New Zealand
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Cenozoic – Paleocene
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Cenozoic – Eocene
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Late Cenozoic Sea level
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Cenozoic – Oligocene
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Cenozoic – Miocene
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Modern continental ice
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High topography Western North America
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Orographic effect
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India collides
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Tibetan Plateau
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Looking into the Himalayas
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Himalayas and monsoons
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Sediment flux to ocean basins – 40 Ma
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Strontium isotopes 400 Ma
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Closure of Panama – Pliocene
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Table SL fall 80 Ma
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