Eduction (geology)

Tibetan rocky land, likely a result of combined eduction and erosion.

In geology, eduction is a process in which the Earth's crust spreads sideways, exposing deep-seated rocks. It is prominent in the middle layers of the Himalayas, where gravity pushes the mountains down. Together with a high grade of erosion, this activity brings deep rocks to the surface, many from more than a depth of 100 km. The unusually fast elevation preserves rare metastable minerals, e.g. diamonds and coesite.[1]

See also

[edit]

References

[edit]
  1. ^ The Tibetan Plateau Archived 2017-02-25 at the Wayback Machine By Andrew Alden, About.com. Retrieved on April 12, 2009