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Unit 3 vocab robbie
Plate Tectonics
| term | Definition |
|---|---|
| Asthenosphere | the region below the lithosphere, variously estimated as being from fifty to several hundred miles |
| Subduction | the process by which collision of the earth's crustal plates results in one plate's |
| Seafloor spreading | ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out. |
| Mantle convection | |
| Ridge push | |
| Slab pull | |
| Lava | the molten, fluid rock that issues from a volcano or volcanic vent. |
| Magma | molten material beneath or within the earth's crust, from which igneous rock is formed. |
| Tectonic plate |