Assembly of PangeaAssembly of Pangea

Breakup of PangeaBreakup of Pangea

Historic Movement of Crustal Historic Movement of Crustal PlatesPlates

Permian: Permian: Formation of Formation of Appalachian Mountains, First Appalachian Mountains, First Dinosaurs, Flowering PlantsDinosaurs, Flowering Plants

Triassic: Triassic: Break-up of Break-up of Pangea, First MammalsPangea, First Mammals

Jurassic: Jurassic: Age of Dinosaurs, Age of Dinosaurs, Formation of Sierra NevadaFormation of Sierra Nevada

Cretaceous: Cretaceous: First Birds, First Birds, Formation of Rocky Formation of Rocky Mountains, Extinction of Mountains, Extinction of DinosaursDinosaurs

Early Triassic:Early Triassic: First Mammals First Mammals

Jurassic: Jurassic: Age of Dinosaurs, Age of Dinosaurs, Formation of Sierra NevadaFormation of Sierra Nevada

Early Cretaceous: Early Cretaceous: First Birds, First Birds, Formation of Rocky Mountains, Formation of Rocky Mountains,

Extinction of DinosaursExtinction of Dinosaurs

Present DayPresent Day

Mantle Convection ModelMantle Convection Model

Convection: The driving force Convection: The driving force behind tectonic movementbehind tectonic movement

Discovery of Sea-Floor Discovery of Sea-Floor Spreading Spreading

Sea-Floor SpreadingSea-Floor Spreading

Convection with Subduction and Convection with Subduction and Mantle PlumeMantle Plume

Global Rift ZonesGlobal Rift Zones

Rift FormationRift Formation

Sea Floor Spreading and the Sea Floor Spreading and the Mid Ocean RidgeMid Ocean Ridge

Anatomy of a Mid-Ocean Anatomy of a Mid-Ocean RidgeRidge

Rift Zone to Continental Rift Zone to Continental MarginMargin

How Plates MoveHow Plates Move

The Plate Tectonics ModelThe Plate Tectonics Model

The Plate Tectonics ModelThe Plate Tectonics Model

East Africa Rift ZonesEast Africa Rift Zones

OldoinyoOldoinyoEast AfricanVolcanoEast AfricanVolcano

East African Rift Valley from East African Rift Valley from SpaceSpace

East Africa Rift ZonesEast Africa Rift Zones

Earthquakes in the East Earthquakes in the East Africa Rift ZoneAfrica Rift Zone

Earthquake Profile: AfricaEarthquake Profile: Africa

Icelandic Rift ValleyIcelandic Rift Valley

Rift Narrows, IcelandRift Narrows, Iceland

Earthquake Profile: IcelandEarthquake Profile: Iceland

Beluga Whale TrainerBeluga Whale Trainer

Continental U.S. Rift ZoneContinental U.S. Rift Zone

HimalayasHimalayas

Himalayas from SpaceHimalayas from Space[hand held 35mm camera][hand held 35mm camera]

Himalayas from SpaceHimalayas from Space[satellite image][satellite image]

Asian-Indian Crustal Plate Asian-Indian Crustal Plate BoundaryBoundary

Seismic Activity at the Asian-Seismic Activity at the Asian-Indian Plate BoundaryIndian Plate Boundary

Earthquake Profile: IndiaEarthquake Profile: India

Subduction and Mountain Subduction and Mountain BuildingBuilding

Earthquake Profile: JapanEarthquake Profile: Japan