Earth Science Stack Exchange
Earth Science Stack Exchange

Questions tagged [tectonics]

Tectonics is the application of field geology, petrology, geochemistry, geochronology, geophysics, remote-sensing, modeling and multidisciplinary studies to explains the evolution, structure, and deformation of Earths lithosphere.

Tectonics is the application of field geology, petrology, geochemistry, geochronology, geophysics, remote-sensing, modeling and multidisciplinary studies to explains the evolution, structure, and deformation of Earths lithosphere.

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Explain the Idea of Pangaea and how the continents have reached their current positions

I know Pangaea was a supercontinent that existed 270 million years ago and it started to break apart around 200 million years ago. I'm not clear on whether Pangaea was 1,2, or multiple tectonic plates. Can someone help me?
user2988
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Given the movement of the tectonic plates in the past 5,000 years, how can the alignments of megaliths around the planet still be accurate?

Many of the worlds oldest megaliths are aligned with the cardinal points like the Great Pyramid which is said to be within an accuracy of better than four minutes of arc, or one-fifteenth of one degree and other megaliths which were solar/lunar,…
William
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