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

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

Identyfikatory

DOI

10.2478/geochr-2020-0019

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

geochronology; hydrothermal activity; 230Th/U dating; seafloor massive sulfides

• Wydawca: De Gruyter
• Czasopismo: Geochronometria
• Rocznik: 2020
• Tom: Vol. 47, no.1
• Strony: 63--70
• Opis fizyczny: Bibliogr. 23 poz., rys., tab.

Twórcy

autor

Kuznetsov V.

• St. Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg 199034, Russia

autor

Cherkashov G.

• St. Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg 199034, Russia
• Institute for Geology and Mineral Resources of the Ocean (VNIIOkeangeologia), Angliysky Prospect 1, St. Petersburg 190121, Russia

autor

Kuksa K.

• St. Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg 199034, Russia

autor

Firstova A.

• Institute for Geology and Mineral Resources of the Ocean (VNIIOkeangeologia), Angliysky Prospect 1, St. Petersburg 190121, Russia

autor

Maksimov F.

• St. Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg 199034, Russia

autor

Bel’Tenev V.

• Polar Marine Geosurvey Expedition, Pobedy Str. 24, Lomonosov 198412, St. Petersburg, Russia

autor

Lazareva L.

• Polar Marine Geosurvey Expedition, Pobedy Str. 24, Lomonosov 198412, St. Petersburg, Russia

autor

Levchenko S.

• St. Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg 199034, Russia

autor

Baranova N.

• St. Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg 199034, Russia

Bibliografia

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Uwagi

„Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).”