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A High-Temperature Impact Condensate of the Lonar Crater (India)

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Abstract

A high-calcium high-temperature condensate is detected in the Earth’s impact Lonar crater for the first time. Its finding confirms in practice the theoretical conclusions made earlier from the experimental results. The high-silica condensate found in the Lonar crater, which is similar to those ones in the Zhamanshin crater and in the lunar regolith, confirms the absence of a correlation between the compositions of the target and the impact condensates. The presence of high-temperature condensate glasses in ring structures may be one of the diagnostic criteria to differentiate between volcanogenic and impact formations.

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ACKNOWLEDGMENTS

The authors sincerely appreciate O.I. Yakovlev (Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences) for fruitful consultations.

Funding

This work was performed on subject no. 0136–2019–0010 “Research of the Composition and Structure of Mineral Matter Using Highly Local Methods.”

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Authors and Affiliations

  1. Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, 119017, Moscow, Russia

    T. A. Gornostaeva, A. V. Mokhov, A. P. Rybchuk, P. M. Kartashov &  O. A. Bogatikov

Authors
  1. T. A. Gornostaeva
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  2. A. V. Mokhov
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  3. A. P. Rybchuk
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  4. P. M. Kartashov
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  5. O. A. Bogatikov
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Corresponding author

Correspondence to A. V. Mokhov.

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Translated by L. Mukhortova

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Gornostaeva, T.A., Mokhov, A.V., Rybchuk, A.P. et al. A High-Temperature Impact Condensate of the Lonar Crater (India). Dokl. Earth Sc. 494, 691–695 (2020). https://doi.org/10.1134/S1028334X20090081

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  • DOI: https://doi.org/10.1134/S1028334X20090081

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