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Oceanic crust that was farther away from a mid-ocean ridge was older that crust closer to the ridge
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∙ 11y ago
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What is sea floor spreading and what evidence do we have to prove it is happening?
Magnetic minerals on the ocean floor.
Why was the theory of seafloor spreading rejected?
Because he wasn't able to prove it he said that if the ocean floor is moving, then the continents might be moving also
How do rocks along the central valley of the mid-ocean ridge provide evidence of sea- floor spreading?
they can leave marks to prove that they have existed
What evidence is there to prove that continents are still moving and colliding?
The fact that there are subduction zones where continental plates meet !
Do the sinking of mid-ocean ridges into the ocean trenches prove the Continental Drift theory?
The discovery of the mid-ocean ridge confirmed Alfred Wegener's hypothesis that the continents were moving,
What evidence did harry hess use to prove sea-floor spreading?
Harry Hess was mapping the floor of the ocean when he found a mountain range in the middle of the ocean. He found that the land nearest to the ridge was younger compared to the fact that the farther away land was from the ridge, the older it dated. He used this to find that the mountain ridge was creating new land and pushing aside the old land.
What tools were used to prove seafloor spreading?
Tools such as sonar mapping, geologic sampling, and paleomagnetism studies were used to provide evidence for seafloor spreading. Sonar mapping allowed for the creation of detailed maps of the ocean floor, revealing features such as mid-ocean ridges and deep-sea trenches. Geologic sampling involved collecting rock samples from the ocean floor to study their age and composition. Paleomagnetism studies focused on analyzing the alignment of magnetic minerals in rocks, providing evidence of past changes in Earth's magnetic field that support the idea of seafloor spreading.
What are three types of evidence from the sea floor that prove the existence tectonic plates?
Earthquakes along the seafloor, tsunamis, and changed water movements.
What evidence prove that Pangaea didn't existed?
You can't prove a negative with direct evidence.
What Three types of evidence from the sea floor that prove earths tectonic plates move?
Earthquakes along the seafloor, tsunamis, and changed water movements.
What technological methods used to prove that plate tectonics occur?
Various technological methods have been used to prove that plate tectonics occur. The most common are ocean floor mapping and earthquake tracking.
What evidence reasoning to geologist use to support the idea that plates are moving?
It is no longer an idea for some time that plates are moving. It is a fact. Earthquakes and todays technology prove the fact that the earths plates are moving. Tsunamis are caused by earthquakes.
