allochthonous

Definition of Allochthonous in English :

1. allochthonous

of rocks, deposits, etc.; found in a place other than where they and their constituents were formed

WordNet Lexical Database for English. Princeton University. 2010.

Allochthonous

adjective

(of rocks, deposits, etc) found in a place other than where they or their constituents were formed

Compare autochthonous (sense 1)

adjective

originating elsewhere; not native to a place

adj.

1. Originating or formed in a place other than where found: allochthonous rocks; an allochthonous population.

2. Ecology Not indigenous: an allochthonous organism.