Alóctono

Alóctono is a term used in various scientific disciplines, particularly biology and geology, to describe something originating from elsewhere. In biology, an alóctono species is one that has been introduced into an area outside its natural geographic range. These species can be introduced intentionally or accidentally by human activities and can sometimes become invasive, posing a threat to native ecosystems. The term contrasts with autochthonous, which refers to species native to a particular region.

In geology, alóctono refers to rock masses or geological structures that have been transported from their original location to a new one. This transport can occur through processes like overthrusting, where large sections of the Earth's crust are pushed over other sections. These transported masses are then considered alóctono in their current position, distinct from the underlying autochthonous rocks. Understanding alóctono elements is crucial for reconstructing geological history and interpreting tectonic processes. The concept emphasizes the displacement and relocation of geological or biological entities from their place of origin.