Chronology of seafloor massive sulfides formation within the Pobeda hydrothermal cluster (Mid-Atlantic Ridge)

V. Kuznetsov; G. Cherkashov; K. Kuksa; A. Firstova; F. Maksimov; V. Bel’Tenev; L. Lazareva; S. Levchenko; N. Baranova

doi:10.2478/geochr-2020-0019

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Chronology of seafloor massive sulfides formation within the Pobeda hydrothermal cluster (Mid-Atlantic Ridge)

Geochronometria

Volume 47 (2020): Issue 1 (January 2020)

By: V. Kuznetsov, G. Cherkashov, K. Kuksa, A. Firstova, F. Maksimov, V. Bel’Tenev, L. Lazareva, S. Levchenko and N. Baranova

Open Access

|Dec 2020

Abstract

A geochronological and mineralogical study on the seafloor massive sulfides from the Pobeda hydrothermal cluster at the Mid-Atlantic Ridge was carried out. To improve the reliability of geochronological data, the 230Th/U ages were measured for both the bulk samples and monomineral separates. The oldest age ca. 52 kyr within Pobeda-1 and ca. 107 kyr within Pobeda–2 fields have been obtained. Then, several episodes of hydrothermal activity were identified within both fields up to ca. 0.3 kyr ago and up to ca. 4.3 kyr ago, respectively.

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Articles in this issue

DOI: https://doi.org/10.2478/geochr-2020-0019 | Journal eISSN: 1897-1695 | Journal ISSN: 1733-8387

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Language: English

Page range: 63 - 70

Submitted on: Dec 27, 2019

Accepted on: Aug 28, 2020

Published on: Dec 31, 2020

Published by: Sciendo

In partnership with: Paradigm Publishing Services

Keywords:

geochronology,

hydrothermal activity,

230Th/U dating,

seafloor massive sulfides

Related subjects:

Geosciences,

Geosciences, other

© 2020 V. Kuznetsov, G. Cherkashov, K. Kuksa, A. Firstova, F. Maksimov, V. Bel’Tenev, L. Lazareva, S. Levchenko, N. Baranova, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 47 (2020): Issue 1 (January 2020)