WebIn sea-floor spreading, the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added. As a result, the ocean floors move like conveyor belts, carrying the continents along with them. ... Several types of evidence supported Hess's theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock ... WebEvidence that the South American and African continents were once joined includes evidence from their coastlines such as matching fossil distributions. Wegener's evidence for a united Pangaea comes from the fossil record of which type of organisms?
seafloor spreading: Infoplease
WebNov 19, 2024 · Scientific evidence for seafloor spreading supports this theory. For example, the age of the seafloor closest to the ridge is the youngest, and it progressively gets older as the distance from the ... WebThis proved to be the strongest evidence to support seafloor spreading and therefore Plate Tectonics. 4. Ocean Drilling - core samples of the ocean floor and sediments on the ocean floor were collected with increasing distance from ocean ridges. 5. Hot spots - mapping of the seafloor in the Pacific revealed a chain of volcanoes and seamounts. 6. bsm honda
5.7: Theory of Plate Tectonics - Geosciences LibreTexts
Web1 day ago · However, there are several unresolved questions related to these oceanic basins, including: 1) the mechanism of their formation (whether as an ocean-continental arc back-arc system or as independent oceans associated with the Zagros orogeny), 2) the timing of continental rifting and subsequent seafloor spreading in relation to these … WebWe present a coupled thermal and mechanical solid state model of the oceanic lithosphere and asthenosphere which includes vertical conduction ... Save. Alert. Thermal origin of the Hawaiian swell: Heat flow evidence and thermal models. ... and regional topography cannot be expected to distinguish between sea-floor spreading where new lithosphere is WebSuch magnetic patterns led to recognition of the occurrence of sea-floor spreading, and they remain some of the strongest evidence for the theory of plate tectonics. The figure below includes two images of the ocean … bsm housing duluth mn