oceanic crust that was farther away from a mid-ocean ridge was older than crust closer to the ridge
Yes, the theory of sea floor spreading was confirmed through the discovery of mid-ocean ridges, magnetic striping patterns on the ocean floor, and the study of ages of oceanic crust. This evidence supported the idea that new crust is continually created at mid-ocean ridges and spreads away from them.
Oceanic crust that was farther away from a mid-ocean ridge was older that crust closer to the ridge
It is an indication that the ocean floor is moving, being created by rifting and destroyed by subduction, thus providing evidence of plate tectonics and continental drift.
Magnetic minerals on the ocean floor.
Glomar challenger
the ocean sea floor is spreading
The Earth's magnetic reversals have been recorded in newly forming oceanic seafloor basalt by the orientation of magnetic minerals which become frozen in place as the magma hardens. When the next reversal occurs, it as well becomes part of the ocean floor magnetic record.
An ocean because when the ocean spread out the ocean floor is moving and becoming large but because also of the sinking of the ocean floor it 's not becoming larger it's just maintaining it own size. lyssa
a trench
Exploration of the ocean floor revealed the presence of mid-ocean ridges, deep-sea trenches, and underwater mountain ranges. These features provided supporting evidence for Wegener's theory of continental drift by showing that the seafloor was in fact spreading and new crust was being formed at mid-ocean ridges. This supported the idea that the Earth's crust was not stationary but moving, as Wegener had proposed.
molten material and drilling samples
they found fossils