Definitions for "Allochthonous"
Refers to something formed elswhere than its present location. Antonym of autochthonous.
Of or relating to nonindigenous material (e.g., sediment deposits in a river). Opposite of autochthonous (see below).
In geology, something formed elsewhere than its present location. Opposite of autochthonous.
Derived from outside a system, such as leaves of terrestrial plants that fall into a stream.
Originating elsewhere and transported to the site, e.g., terrestrial plant matter in a stream (Society of American Foresters 1983).
describes organic matter that is produced on land and then moved to a river or stream.
Rocks or materials formed someplace other than in their present site; of foreign origin.
of rocks, deposits, etc.; found in a place other than where they and their constituents were formed
Material that is formed or introduced from somewhere other than the place it is presently found. In impact cratering this may refer to the fragmented rock thrown out of the crater during its formation that either falls back to partly fill the crater or blankets its outer flanks after the impact event.
Keywords:  taphonomy, far, died, moved, originally
In taphonomy, refers to a body that has been moved (perhaps very far) from where it originally died.
Organic material that is developed or derived outside a particular waterbody.