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Sea Floor Spreding. Flip through key facts definitions synonyms theories and meanings in Sea Floor Spreading when youre waiting for an appointment or have a short break between classes. See more at magnetic reversal.
Plate Tectonic Evolution Of The Pacific Ocean Seafloor Spreading Earth Science Lessons Earth And Space Science from www.pinterest.com
This spreading occurs at about the same rate as your fingernails grow. Evidence for Sea-Floor SpreadingThis movement begins at the mid-ocean ridgewhich forms along in a crack in the oceanic crust At the mid-ocean ridge molten materials rise fromthe mantle and eruptsThe molten material spreads out pushing olderrock to both sides of the ridge. The concept of seafloor spreading from mid-ocean ridges Figure 2 was first proposed in the early 1960s by several workers including most prominently the American geologist Harry H.
Seafloor spreading and other tectonic activity processes are the result of mantle convection.
The hot magma at. This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century. Seafloor spreading and other tectonic activity processes are the result of mantle convection. Underwater Volcanic Rock Formations Use the map to learn more about the rocks that make up the ocean floor.
