allochthonous

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allochthonous

adjective Referring to rocks, sediment or organic materials that originate at a distance from a particular system.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

allochthonous

not made in situ, for example peat which has been deposited from plants grown elsewhere. Compare AUTOCHTHONOUS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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