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Context: Seafloor spreading rates have slowed down by roughly 35 per cent globally, according to a study that analysed data from the last 19 million years.
About Sea-floor spreading
3 types of evidence for sea-floor spreading 1. Evidence from ocean material:
2. Evidence from magnetic stripes
3. Evidence from drilling samples
Supporting Evidence for Seafloor Spreading
Second, the rock making up the ocean floor is considerably younger than the continents.
Magnetic surveys conducted near the mid-ocean ridge showed elongated patterns of normal and reversed polarity of the ocean floor in bands paralleling the rift and symmetrically distributed as mirror images on either side of it.
Rate of sea floor spreading
By: Shubham Tiwari ProfileResourcesReport error
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