What is the Continental Drift Theory, and what evidence supports it?
Understand the Problem
The passage provides an overview of the Continental Drift Theory proposed by Alfred Wegener, discussing its key concepts, supporting evidence, reasons for its initial rejection, and its importance in the context of geological science. It explores how this theory laid the groundwork for the later understanding of plate tectonics.
Answer
The theory suggests continents move over time; evidence includes continental fit, fossil distribution, and similar rock formations.
The Continental Drift Theory, proposed by Alfred Wegener, suggests that continents have moved across Earth's surface over geologic time. It is supported by evidence such as the fit of the continents, distribution of fossils, similarity of rock formations across continents, and ancient climatic patterns.
Answer for screen readers
The Continental Drift Theory, proposed by Alfred Wegener, suggests that continents have moved across Earth's surface over geologic time. It is supported by evidence such as the fit of the continents, distribution of fossils, similarity of rock formations across continents, and ancient climatic patterns.
More Information
The theory was initially controversial because it lacked a mechanism for how continents moved. It later laid the groundwork for the modern theory of plate tectonics, which explains the movement of Earth's lithosphere.
Tips
A common mistake is confusing the movement of tectonic plates (part of plate tectonics) with the movement of continents themselves (continental drift theory).
Sources
- Continental drift theory overview & evidence - Study.com - study.com
- Continental drift | Definition, Evidence, Diagram, & Facts | Britannica - britannica.com
- Continental Drift - National Geographic Education - education.nationalgeographic.org
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