The geologists found that as they proceeded further away from the mid-ocean ridge, the samples of crustal rock and sediments on the ocean bottom were older.
This was the opposite of what they expected to find. The rock that was the most recent and the youngest was located closer to the mid-ocean ridge. The hypothesis that the seafloor was spreading was supported by these pieces of data.
This is further explained below.
Generally, Plate tectonics is responsible for the formation of mountain ranges on the seabed in the form of mid-ocean ridges. It typically extends to a depth of approximately 2,600 meters and rises to a height of approximately 2,000 meters above the portion of an ocean basin that is the deepest.
This feature is located near a border between divergent plates and is where the spreading of the seabed occurs.
In conclusion, Both crustal rock and sediment samples on the ocean bottom were found to be older the further away from the mid-ocean ridge the scientists drilled.
The youngest, newest rock was found in close proximity to the mid-ocean ridge. The findings lent credence to the idea that the ocean bottom is slowly but steadily being pushed apart.
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