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https://www.infoplease.com/encyclopedia/earth/geology-oceanography/info/seafloor-spreading/supporting-evidence-for-seafloor-spreading
Abundant evidence supports the major contentions of the seafloor-spreading theory. First, samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached, and the sediment cover is thinner near the ridge.
https://www.britannica.com/science/seafloor-spreading
A veritable legion of evidence supports the seafloor spreading hypothesis. Studies conducted with thermal probes, for example, indicate that the heat flow through bottom sediments is generally comparable to that through the continents except over the mid-ocean ridges, where at some sites the heat flow measures three to four times the normal value.
https://www.answers.com/Q/What_evidence_in_rocks_supports_the_theory_of_seafloor_spreading
Jan 12, 2015 · Convergence supports the theory of seafloor spreading. Samples of the deep ocean floor are evidence of seafloor spreading because the basaltic oceanic crust and overlapping sediment become younger as the mid-ocean ridge is approached. Also, the rock that makes up the floor of the ocean is younger than the continents.
https://www.answers.com/Q/Evidence_of_sea-floor_spreading
Jan 31, 2012 · Convergence supports the theory of seafloor spreading. Samples of the deep ocean floor are evidence of seafloor spreading because the basaltic oceanic crust and overlapping sediment become younger as the mid-ocean ridge is approached. Also, the rock that makes up the floor of the ocean is younger than the continents.
https://www.cliffsnotes.com/study-guides/geology/plate-tectonics/sea-floor-evidence
Geologists believe sea floor spreading results from convection in the mantle and lower crust that brings hotter, less dense, and more plastic material up toward the surface; the colder, more dense rock and sediment, such as subducted crustal material, sinks toward the mantle (Figure 1). These convective forces tear the ocean crust apart at the midoceanic ridge, forming a rift valley marked by high‐angle …
https://encyclopedia2.thefreedictionary.com/Seafloor+Spreading+Theory
Abundant evidence supports the major contentions of the seafloor-spreading theory. First, samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached, and the sediment cover is thinner near the ridge.
https://answers.yahoo.com/question/index?qid=20071211144347AAj5k92
Dec 11, 2007 · Favorite Answer Several things support the theory of seafloor spreading: 1. The measured radiometric ages of the sea floor become progressively older …
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