The Most Convincing Evidence Of Sea Floor Spreading Comes From

Most join two segments of a mid ocean ridge aid the movement of oceanic crustal material what is some of the most convincing evidence confirming that seafloor spreading has come from drilling directly into the ocean floor sediment.

The most convincing evidence of sea floor spreading comes from. Basalt the once molten rock that makes up most new oceanic crust is a fairly magnetic substance and scientists began using magnetometers to measure the magnetism of the ocean floor in the 1950s what they discovered was that the magnetism of the ocean floor around. Evidence of sea floor spreading harry hess s hypothesis about seafloor spreading had collected several pieces of evidence to support the theory. Seafloor spreading is the mechanism behind this phenomenon. Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them.

This evidence was from the investigations of the molten material seafloor drilling radiometric age dating and fossil ages and the magnetic stripes. 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. Age of deepest sediments thickness of ocean floor sediments verifies seafloor spreading. The stripes alternate between those with magnetic material orientated toward magnetic north and those oriented in the opposite direction.