Kimberlites of the Serbeyan Prospect (Anabar Shield): melt products enriched with sodium, chlorine, carbonate
Abstract
Results of a microprobe analysis of mineral compositions of the Serbeyan kimberlite: olivine, pyrope, phlogopite, sodalite, pyroxenes, spinelids, etc. The magmatic source of the Serbeyan kimberlites was formed as a result of melting of metasomatized garnet lerzolite under the influence of alkaline chloride fluids. Based on the evolution of the phlogopite composition, it can be assumed that the initial magma could have a lamprophyric (lamproite?) сomposition, the evolution of which took place according to the orangeite trend.
About the Authors
N. I. Gusev
A. P. Karpinsky Russian Geological Research Institute (VSEGEI)
Russian Federation
Russian Federation
Head of Department
A. V. Antonov
A. P. Karpinsky Russian Geological Research Institute (VSEGEI)
Russian Federation
Russian Federation
Head of Department
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Review
For citations:
Gusev N.I., Antonov A.V. Kimberlites of the Serbeyan Prospect (Anabar Shield): melt products enriched with sodium, chlorine, carbonate. Regional Geology and Metallogeny. 2020;(81):105–118. (In Russ.)
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