superimposed

[ soo-per-im-pohzd ]
/ ˌsu pər ɪmˈpoʊzd /

adjective Geology.

(of a stream or drainage system) having a course not adjusted to the structure of the rocks presently undergoing erosion but determined rather by a prior erosion cycle or by formerly overlying rocks or sediments.

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Origin of superimposed

First recorded in 1795–1805; superimpose + -ed2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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