Email this article Precambrian diamond crystals from the Siberian craton
- Authors: Afanasiev V.P.1, Pokhilenko N.P.1, Egorova E.O.1, Leendenblot E.S.1
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Affiliations:
- Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
- Issue: Vol 489, No 6 (2019)
- Pages: 611-615
- Section: Geology
- URL: https://journals.eco-vector.com/0869-5652/article/view/18866
- DOI: https://doi.org/10.31857/S0869-56524896611-615
- ID: 18866
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Abstract
Analysis of diamond grains from placers in the northeastern Siberian craton shows that some diamond varieties (round dodecahedra, varieties II and V-VII in the classification of Orlov) may originate from Precambrian sources. The Precambrian diamonds have different sedimentation histories. Namely, diamonds of varieties V-VII are most strongly rounded though being the most resistant to wear. Therefore, they should have the longest history of dispersal and transport, and thus should be derived from the oldest primary deposits.
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About the authors
V. P. Afanasiev
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Author for correspondence.
Email: avp-diamond@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
N. P. Pokhilenko
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: avp-diamond@mail.ru
Academician of the RAS
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090E. O. Egorova
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: avp-diamond@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
E. S. Leendenblot
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: avp-diamond@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
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