Documents Sea Floor Spreading The Mid-ocean Ridge Vocabulary Mid-ocean ridgeMid-ocean ridge SonarSonar...

Slide 1 Slide 2 Sea Floor Spreading The Mid-ocean Ridge Slide 3 Vocabulary Mid-ocean ridgeMid-ocean ridge SonarSonar Sea-floor spreadingSea-floor spreading Deep-ocean trenchDeep-ocean…

Documents Theory of Plate Tectonics Mission 1 Optical and infrared photography: photo images Magnetometer:...

Slide 1Theory of Plate Tectonics Mission 1 Optical and infrared photography: photo images Magnetometer: magnetic field Gravimeter: gravity field Important discoveries: …