А new ectasian event of basitic magmatism in the southern Siberian craton | Zendy

Д. П. Гладкочуб | Zendy; Т. V. Donskaya | Zendy; Richard E. Ernst | Zendy; Michael A. Hamilton | Zendy; А. М. Мазукабзов | Zendy; Sergei Pisarevsky | Zendy; S. Kamo | Zendy

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А new ectasian event of basitic magmatism in the southern Siberian craton

Author(s) -

Д. П. Гладкочуб,

Т. V. Donskaya,

Richard E. Ernst,

Michael A. Hamilton,

А. М. Мазукабзов,

Sergei Pisarevsky,

S. Kamo

Publication year - 2019

Publication title -

доклады академии наук

Language(s) - English

Resource type - Journals

ISSN - 0869-5652

DOI - 10.31857/s0869-56524863326-330

Subject(s) - craton , baddeleyite , zircon , geology , magmatism , laurentia , geochemistry , large igneous province , mantle plume , igneous rock , paleontology , paleozoic , lithosphere , tectonics

On the basis of U-Pb dating of zircon and baddeleyite from gabbro-dolerite of the Goloustnaya dyke swarm (southern margin of the Siberian Craton), the age of basites was established as 1338.0 ± 2.9 Ma. It is shown that the basite intrusions of close ages from the Goloustnaya and Listvyanka areas (southern Siberian Craton) and Victoria Island (northern Laurentia, Barking Dog complex) could have been formed under the influence of the same mantle plume and belong to the same Large Igneous Province of Ectasian (Middle Mesoproterozoic) age.

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