Chemistry:Kondyor Massif

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Short description: Platinum-rich formation in Khabarovsk Krai, Russia
Kondyor Massif
Simulated 3-D view of the Kondyor Massif, Russia by ASTER
LocationAyano-Maysky District, Khabarovsk Krai, Russia
Coordinates [ ⚑ ] : 57°35′11″N 134°39′12″E / 57.5863°N 134.6532°E / 57.5863; 134.6532
RangeYudoma-Maya Highlands
GeologyIgneous intrusion and circular ridge

The Kondyor Massif (Russian: горы Кондёр) or Konder[1] is a circular intrusion of igneous rock,[2] about 8 kilometres (5 mi) in diameter. It is located in Khabarovsk Krai, Russia, c. 600 km (373 mi) west-southwest of Okhotsk, or c. 570 km (354 mi) south-east of Yakutsk. It is reached from Yakutsk by road via Amga. It is an important source of platinum.

The Kondyor Massif stands as a textbook example of a ring intrusion, renowned for its remarkable geometric circularity and distinct ridge-and-depression topography. It serves as a global reference site for the study of alkaline-ultramafic magmatism and associated platinum-group element mineralization.{{citation needed|date=November 2025} Since 1984, Artel Starateley "Amur" (part of the Russian Platinum group) has developed this alluvial platinum deposit.

Left - Platinum nugget from the Kondyor Massif. Right - Kondyor Massif viewed from a helicopter


Kondyor geological map


See also

References

  1. ↑ "Konder Massif, Siberia: Lunar Crater?". Seen from Space 2005. JAXA. 21 October 2005. http://www.eorc.jaxa.jp/en/earthview/2005/tp051021.html. Retrieved 30 May 2016. 
  2. ↑ Burg, J.-P.; Bodinier, J.-L.; Gerya, T.; Bedini, R.-M.; Boudier, F.; Dautria, J.-M.; Prikhodko, V.; Efimov, A. et al. (2009). "Translithospheric Mantle Diapirism: Geological Evidence and Numerical Modelling of the Kondyor Zoned Ultramafic Complex (Russian Far-East)". Journal of Petrology 50 (2): 289–321. doi:10.1093/petrology/egn083. https://academic.oup.com/petrology/article/50/2/289/1449439. 




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