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Related to allochthon: autochthon


n. pl. al·loch·thons or al·loch·tho·nes (-thə-nēz′)
1. One that originated or was formed in a place other than where it is found, especially a rock formation that has been displaced.
2. A member of a human population that relocated or was displaced from a particular area.
3. Ecology A plant or animal that is not indigenous.

[German : allo-, allo- (from Greek, from allos, other; see al- in Indo-European roots) + Greek khthōn, earth; see dhghem- in Indo-European roots.]
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References in periodicals archive ?
1990), "Exotic thrust sheets with rafts of locally derived strata: Northland Allochthon in Waihou Valley, Northland, New Zealand".
Both with the US Geological Survey, Poole and Sandberg examine in detail two small areas, both less than 25 kilometers east of the Mississippian Roberts Mountains allochthon, but each displaying a different, unique geologic terrane previously undocumented in Nevada and perhaps in North America.
ABSTRACT: The Northland Allochthon is a structurally displaced rock unit located between Three Kings Island and Mt.
Mapping in the north and south of central Bhutan has led to the recognition of a single large allochthon extending from the Tang Chu in the north to the Black Mountains further south encompassing an area of ~80km x 10-50km (see Figure 2).
The basal units are thrust over a thick allochthonous series of metasedimentary and volcanic rocks, namely the Parautochthon or Lower Allochthon, which has been also described as Schistose Domain.
000 allochthon Turks in the year 2007 (of about 3,2 million allochthons on a total population of 16,3 million).
Specific topics include Silurian-bearing terranes of Alaska, the significance of detrital zircons in Upper Devonian ocean-basin strata of the Sonora allochthon and Lower Permian synorogenic strata of Mina Mexico foredeep in central Sonora, and Late Triassic mixed carbonate-volcaniclastic facies of the Olds Ferry terrane in eastern Oregon and western Idaho.
Norian), that during the Liassic was emplaced as an allochthon (nappe) upon the Vizcaino Layered Complex.
Regional correlation, age, provenance, and tectonic significance of sandstone-mudstone sequences in the Humber Arm allochthon, western Newfoundland, Canada.