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Robert Dietz and Harry Hess extended Alfred Wegener's continental drift theory by introducing the concept of seafloor spreading in the 1960s. They proposed that new oceanic crust forms at mid-ocean ridges and gradually moves away from these ridges, driven by mantle convection. This mechanism explained how continents drifted apart over geological time and provided a physical basis for Wegener's earlier ideas, integrating them into the broader framework of plate tectonics. Their work helped to establish a more comprehensive understanding of the dynamic processes shaping the Earth's surface.
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What is the theory that plates have moved apart over tmie?
Alfred Wegeners 1912 theory of Plate tectonics and continental drift.
How did Alfred Wegeners theory support the theory of seafloor spreading?
Alfred Wegener's theory of continental drift suggested that continents move over time on Earth's surface. This theory provided support for the concept of seafloor spreading, which explains how new oceanic crust forms at mid-ocean ridges and spreads outward. Both theories contributed to the development of the theory of plate tectonics, which explains the large-scale movements of Earth's lithosphere.
What was the fatal weakness in wegeners theory?
One of the fatal weaknesses in Wegener's theory of continental drift was the lack of a plausible mechanism to explain how continents could move through the solid rock of Earth's mantle. Additionally, Wegener was unable to adequately explain what forces could be responsible for moving the continents.
What was the continental drift theory replaced by in 1967?
The continental drift theory was replaced by the theory of plate tectonics.
Why was wegeners theory so different?
Wegener's theory of continental drift was different because it proposed that continents were once joined together in a supercontinent called Pangaea and drifted apart over time. This was a radical idea at the time as it challenged the established belief of stationary continents. Wegener lacked a plausible mechanism to explain how continents moved, which led to skepticism from the scientific community until the development of plate tectonics theory.
Does the case of mesosaurus support wegeners theory of continental drift?
yes it does.
Why were most scientists disagreeing with Alfred Wegeners continental drift theory?
There was no evidence to prove it
What is the theory that plates have moved apart over tmie?
Alfred Wegeners 1912 theory of Plate tectonics and continental drift.
Wegeners hypothesis of continental drift was replaced in 1967 by which theory that supported his idea continents move?
plate tectonics
Why was wegeners theory of continental drift not accepted at first?
It was not excepted because they didn't believe him at all until it was proven!
Why did other scientists not accept Alfred Wegeners theory?
why did other scientist not accpet Alfred Wegeners theory
Why was wegeners theory different?
rekmr
What evidence did Wegeners have to support his theory?
Fossils support his hypothesis.
What were Charles Darwin's contributions to Wegeners theory of continental drift?
Most people actually state that Darwin beat Wegener to the theory of continental drift as he mentioned in most of his studies about the continents drifting apart and fitting together.
What did people think of Arthur wegeners theory of pangaea?
it makes sences
How did Alfred Wegeners theory support the theory of seafloor spreading?
Alfred Wegener's theory of continental drift suggested that continents move over time on Earth's surface. This theory provided support for the concept of seafloor spreading, which explains how new oceanic crust forms at mid-ocean ridges and spreads outward. Both theories contributed to the development of the theory of plate tectonics, which explains the large-scale movements of Earth's lithosphere.
What were Alfred wegeners accomplishments?
he theorized about the continental drift and he also said that a pangaea formed 200 million years ago
