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“mantle transition zone”
mantle transition zone
A layer in the mantle between 400 to 700 kilometers across in which there is an increase in seismic velocity because of the phase changes of the minerals present to more closely-packed, denser forms.
This entry is located in the following units:
mantel-, mantle-, -manteau +
(page 2)
trans-, tran-, tra-
(page 4)