allochthonous


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

allochthonous

adjective Referring to rocks, sediment or organic materials that originate at a distance from a particular system.

allochthonous

not made in situ, for example peat which has been deposited from plants grown elsewhere. Compare AUTOCHTHONOUS.
Mentioned in ?
References in periodicals archive ?
Lake Verevi was selected because it has a relatively flat catchment area and abundant littoral vegetation restricting input of allochthonous material; besides, good monitoring data describing some major changes in the lake environment are available for the last 100 years.
It is likely that urine and faeces was deposited in a byre and then removed during 'mucking out', or directly from animals near the farm (compared with Schweger's allochthonous components in subunit 3B).
were a significant source of allochthonous nitrogen to coastal streams where spawning occurs (Kline et al.
This material is likely to be derived from an allochthonous source, as there is no abundant local topsoil source of calcium carbonate.
Allochthonous aquatic insects increase predation and decrease herbivory in river shore food webs.
In addition, the sparsely distributed allochthonous deposits follow the 1800 km long Caledonian front (Bruton et al.
It includes reports on the tectonic controls on basin development in proto-Caribbean margins, and overview of the boundary zone, and an overview of radiometric ages in three allochthonous belts found in northern Venezuela.
The communities from the sediments of groundwater up-wellings are exposed to allochthonous carbon, which may have originated from a variety of surface sources a long distance away.
filamentosus in much higher densities on the upcurrent versus the downcurrent side of the atoll, and postulated that this was related to increased availability of allochthonous planktonic prey in the neritic upcurrent areas due to oceanic currents impacting the atoll.
Beyond the area of detailed structural investigation that is the focus of this paper, the VGM-DEM map also suggests that Murray Mountain might be allochthonous and even that Kellys Mountain might be an eastern klippe.