Allochthon

As Allochthon ( neologism from the Greek words άλλος - allos = different, strange and χθών - Chthon = earth ) is defined as in geology from remote education center, by transport processes in strange surroundings spent geological objects of different sizes.

On a smaller scale this rock fragments, boulders and glacial sediment can be ( boulders ), on a larger scale turbidites and coal, but mainly tectonic ceilings. Even larger non-local units are moved by plate tectonic transport Terrane.

In contrast, autochthonous formations are ( "local" ).