1. Plural of allochthon; organisms or materials that have been transported from their place of origin to a different location, especially in geology or biology.
Usage: technical; geology; biology
2. In geology, rock formations or mineral deposits that have been moved from their original location by tectonic forces or erosion.
Usage: technical; geology

Examples

• The geologist identified several allochthons in the mountain range, indicating significant tectonic movement.
• These allochthons were transported hundreds of kilometers from their source during the collision of continental plates.
• The study of allochthons helps scientists understand the geological history of the region.
• Invasive species are biological allochthons that disrupt native ecosystems.
• The allochthons found in the sedimentary layers provided evidence of ancient geological events.