(redirected from Allochthon)
Also found in: Dictionary, Medical, Encyclopedia, Wikipedia.
Related to Allochthon: autochthon
Graphic Thesaurus  🔍
Display ON
Animation ON
  • adj

Antonyms for allochthonous

of rocks, deposits, etc.

References in periodicals archive ?
Regional correlation, age, provenance, and tectonic significance of sandstone-mudstone sequences in the Humber Arm allochthon, western Newfoundland, Canada.
The Sylvester allochthon is intruded by the late Cretaceous Cassiar batholith to the west, and several other smaller stocks in the Cassiar area ranging in age from 90 Ma to 50 Ma.
Allochthon geometry requires two stages of extension, the older stage completed in early Windsor Group time and including most of the island, and the more local younger stage completed in Mabou Group time.
87 Ga mafic magmatism surrounds the Superior Province on all sides except the southeast where, if originally present, it has been obscured by the Grenville allochthon.
These northeast lineaments are parallel to a major geologic terrain boundary located approximately one mile to the south between Permian Golconda allochthon rocks on the north and Devonian Harmony Formation on the south.