Alternate Definitions for lehmann discontinuity

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Term: lehmann discontinuity
Definition:

Boundary between Asthenosphere and Lithosphere. It is the discontinuity in seismic velocity near a depth of 220 km. It appears beneath continents, but not usually beneath oceans, and does not readily appear in globally-averaged studies [Wikipedia]

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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