heterochthonous

adjective

het·​er·​och·​tho·​nous

1

: not indigenous : foreign, naturalized

a heterochthonous flora

2

a

: not formed in the place where it now occurs : transported

heterochthonous rock

b

: removed from the original deposit (as by erosion) and reembedded (as certain fossils)

Word History

Etymology

heter- + -chthonous (as in autochthonous)

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