Coordinates: The Aluchin Horst (Aluchinskii Massif) is a mountainous geological formation in the Siberian Far East. It is located right below the Arctic Circle, close to the Baimka River, a left tributary of the Bolshoy Anyui River, about 180 km southwest of Bilibino.
- Geological map of the Aluchin Horst: 
- Gold placer at the Aluchin Horst: 
- Platinum group minerals (PGM) at the Aluchin Horst sites: 
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