Chronology of Hydrothermal Activity Within the Yubileynoye Ore Field (Mid-Atlantic Ridge, 20A degrees 08' N)

V. Yu Kuznetsov, E. V. Tabuns, K. A. Kuksa, G. A. Cherkashov, V. E. Bel’tenev, Kh A. Arslanov, F. E. Maksimov, L. I. Lazareva, A. I. Zhuravleva, A. Yu Petrov, V. A. Grigoriev

Research outputpeer-review

Abstract

This paper reports on the integrated geochronological and geochemical methods used in studying the ore deposits and metalliferous sediments of the Yubileinoye field. This study gives the opportunity to carry out cross dating of hydrothermal deposits, including the 230Th/U dating of sulfides, the 230Th, 14C dating, and foraminiferal analysis of the sediments, and, on this basis, to reconstruct hydrothermal activity over time. It was established that the ores started forming about 100 000–123 000 years ago and were renewed 4–5 times with a frequency of 10–20 ka. As a result, the complex of pyrite-marcasite, chalcopyrite and sphalerite ores and the associated metal-bearing and ore-bearing sediments with consistent geochemical specialization were formed. The integrated geochronological and geochemical studies of the ores and sediments allow us to obtain detailed data on evolution of the hydrothermal ore-formation not only in the certain areas but also for the entire Mid-Atlantic Ridge.

Original languageEnglish
Pages (from-to)700-704
Number of pages5
JournalDoklady Earth Sciences
Volume480
Issue number2
DOIs
Publication statusPublished - 14 Jun 2018

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hydrothermal activity
chronology
sediment
geochemical method
hydrothermal deposit
marcasite
sphalerite
chalcopyrite
ore deposit
pyrite
sulfide
ore
metal
dating

Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Earth and Planetary Sciences(all)

Cite this

Kuznetsov, V. Yu ; Tabuns, E. V. ; Kuksa, K. A. ; Cherkashov, G. A. ; Bel’tenev, V. E. ; Arslanov, Kh A. ; Maksimov, F. E. ; Lazareva, L. I. ; Zhuravleva, A. I. ; Petrov, A. Yu ; Grigoriev, V. A. / Chronology of Hydrothermal Activity Within the Yubileynoye Ore Field (Mid-Atlantic Ridge, 20A degrees 08' N). In: Doklady Earth Sciences. 2018 ; Vol. 480, No. 2. pp. 700-704.
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Chronology of Hydrothermal Activity Within the Yubileynoye Ore Field (Mid-Atlantic Ridge, 20A degrees 08' N). / Kuznetsov, V. Yu; Tabuns, E. V.; Kuksa, K. A.; Cherkashov, G. A.; Bel’tenev, V. E.; Arslanov, Kh A.; Maksimov, F. E.; Lazareva, L. I.; Zhuravleva, A. I.; Petrov, A. Yu; Grigoriev, V. A.

In: Doklady Earth Sciences, Vol. 480, No. 2, 14.06.2018, p. 700-704.

Research outputpeer-review

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AU - Lazareva, L. I.

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AU - Grigoriev, V. A.

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