THE ZIRCON CHRONOLOGY OF THE INTRUSIVE MAGMATISM OF THE KANIN PENINSULA-Reference-Cited by-同舟云学术

THE ZIRCON CHRONOLOGY OF THE INTRUSIVE MAGMATISM OF THE KANIN PENINSULA

Published:2018-08-16 Issue:4 Volume: Page:30-38
ISSN:2618-8708
Container-title:Proceedings of higher educational establishments. Geology and Exploration
language:
Short-container-title:Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

Author:

ANDREICHEV V. L.¹,SOBOLEVA A. A.¹,SERGEEV S. A.²,PRESNYAKOV S. L.²

Affiliation:

1. Institute of Geology of the Komi Science Center of the Ural Branch of the Russian Academy of Sciences (IG Komi SC UB RAS)

2. Federal State Budgetary Institution «A.P. Karpinsky Russian Geological Research Institute» (FGBU «VSEGEI»)

Abstract

The Kanin Peninsula is an elevated block of the Timan Ridge where Precambrian sedimentary-metamorphic sequences and magmatic rocks, intruding them, form the Kanin Kamen Ridge. In the northwestern part of the Peninsula on the coast of the Barents Sea, there is a unique outcrop of two-mica granites, monzonitoids and lamprophyres cutting metaterrigenous rocks of the Upper Riphean Tabuyev series and overlain by Lower Permian limestones. To establish the age of magmatic rocks, U-Pb dating of zircons has been carried out by secondary ion mass spectrometry (SIMS) method. In zircons from granites, an age of 883 ± 16 Ma has been obtained, which corresponds to the beginning of the Late Riphean, and the subsynchronous formation of subalkaline rocks occurred in the Late Cambrian. The age of monzogabbro is 505 ± 7 Ma, and lamprophyres – 504±7Ma.

Publisher

Sergo Ordshonikidze University

Subject

General Chemical Engineering

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