lecture12
Table of Contents
- Global Tectonics: Plates and Plumes
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Why study plates and their motions?
- Continental Drift
- Why study plates and their motions?
- 12.1 How does continental drift relate to plate tectonics?
- 12.1 How does continental drift relate to plate tectonics?
- 12.1 How does continental drift relate to plate tectonics?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.2 What is the evidence that plates are rigid?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- Age of Crusts
- Magnetic Record of Seafloors
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- Seismic Tomography Data
- Rift Valleys
- Forming Seas
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.3 What is the evidence that plates move apart at divergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- Seismic Tomography
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- Convergent Plate Boundaries
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.4 What is the evidence that subduction occurs at convergent plate boundaries?
- 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
- Fault Displacement
- 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
- 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
- 12.5 What is the evidence that plates slide past one another at transform plate boundaries?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.6 What does the mantle-plume hypothesis explain that plate tectonics cannot explain?
- 12.7 How do we know ... that plates move in real time?
- 12.7 How do we know ... that plates move in real time?
- Global Plate Motion
- 12.7 How do we know ... that plates move in real time?
- 12.7 How do we know ... that plates move in real time?
- Measurements and Predictions
- 12.7 How do we know ... that plates move in real time?
- 12.7 How do we know ... that plates move in real time?
- 12.8 What forces cause plate motions and plumes?
- 12.8 What forces cause plate motions and plumes?
- 12.8 What forces cause plate motions and plumes?
- 12.8 What forces cause plate motions and plumes?
- 12.8 What forces cause plate motions and plumes?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
- 12.9 What were the consequences of plate motion over geologic time?
Text and Images from Slide
12.7 How do we know ... that plates move in real time?
Fig 12.38
GPS from orbit allows us to measure from a reference base not connected to any plates. Data from over 100 GPS satellites measure plate motions continuously.