The Aluchin Horst (Aluchinskii Massif) is a mountainous geological formation in the

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part of ...

n Far East. It is located right below the

Arctic Circle The Arctic Circle is one of the two polar circles, and the most northerly of the five major circles of latitude as shown on maps of Earth. Its southern equivalent is the Antarctic Circle. The Arctic Circle marks the southernmost latitude at w ...

, close to the Baimka River, a left tributary of the Bolshoy Anyui River, about 180 km southwest of

Bilibino Bilibino (russian: Били́бино) is a town and the administrative center of Bilibinsky District in Chukotka Autonomous Okrug, Russia. It is located northwest of Anadyr, the administrative center of the autonomous okrug. It is the second la ...

. This horst belongs to the

Chukotka Autonomous Okrug Chukotka (russian: Чуко́тка), officially the Chukotka Autonomous Okrug,, ''Čukotkakèn avtonomnykèn okrug'', is the easternmost federal subjects of Russia, federal subject of Russia. It is an autonomous okrug situated in the Russian ...

administrative division of

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. There are very significant

gold Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile met ...

placers and

platinum Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish , a diminutive of "silver". Platinu ...

group minerals (PGM) in the Baimka basin, in the immediate vicinity of the Aluchin Horst.

References

* Geological map of the Aluchin Horst

* Gold placer at the Aluchin Horst

* Platinum group minerals (PGM) at the Aluchin Horst sites

References

See also