CONCERNING HETEROGENEOUS DIAMOND-FORMING GEOSTRUCTURES OF MONGOILA

Authors

  • D.Dorjnamjaa Paleontological Center, Mongolian Academy of Sciences. Ulaanbaatar
  • D.Selenge Paleontological Center, Mongolian Academy of Sciences. Ulaanbaatar
  • Ts.Amarsaikhan Paleontological Center, Mongolian Academy of Sciences. Ulaanbaatar
  • B.Enkhbaatar Paleontological Center, Mongolian Academy of Sciences. Ulaanbaatar

Keywords:

astropipe, diamond, impact, crater, spherules, meteoritic dust, shatter cone, aggradation terrace, pyrope

Abstract

In this paper we present summation of ten-year investigation of the four heteroge­neous diamond-forming geostructures of Mongolia. These geostructures were consid­ered on the example of the Agit Khangay, Khuree Mandal, Bayan Khuree, Tsenkher as­tropipes, Teel aggradation terrace, Shavariyn Tsaram dome volcano and Khan-Khukhey metamorphic terrane.The our detailed geological and gas-geochemical investigations of the Mongolian astropipe geostructures noticeably show diamondgenesis is the ex­pression of the collision of the lithospheric mantle with meteor impact collaps explosion process. First discovery of the Teel placer diamonds is indicated that transfered diamonds may have accumulated and concentrated in the aggradation above- the-flood plain terraces which are widely spread by the Selenge river basin.

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References

Dorjnamjaa D., Voinkov D.M., Selenge D., Amarsaikhan Ts.2007. Origin and char acteristics of diamond-bearing astropipes in Mongolia. Mongolian Geoscientist, No 31, pp.34-37

Dorjnamjaa D., Selenge D., Amarsaikhan Ts. 2008. Diamond-bearing of some Mongolian geostructures and further prospects. Ulaanbaatar, 172 p

Kvasnitsa V.N., Zintchouk N.N., Koptil VI. 1999. Tipomorphism of Diamond Microcrystals.M.: “Nedra, Business Center”, 224 p

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Published

2023-11-06

How to Cite

D.Dorjnamjaa, D.Selenge, Ts.Amarsaikhan, and B.Enkhbaatar. 2023. “CONCERNING HETEROGENEOUS DIAMOND-FORMING GEOSTRUCTURES OF MONGOILA”. Geological Issues 11 (November):54-60. https://journal.num.edu.mn/geology/article/view/6102.

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Section

Судалгааны өгүүллэг