Age of Alkaline Ultramafic Explosion Pipes of the Chapinskii Complex (Yenisei Ridge)

IF 0.7 4区地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Doklady Earth Sciences Pub Date : 2024-07-18 DOI:10.1134/s1028334x2460289x

Yu. V. Danilova, I. S. Sharygin, E. A. Gladkochub, E. I. Nikolenko, N. V. Bryansky, S. Yu. Skuzovatov, A. S. Gladkov, A. V. Ivanov, D. A. Koshkarev, F. A. Letnikov

引用次数: 0

Abstract

Abstract—

The age of formation of the explosion pipes of the Chapinskii complex in the Chingasan magmatic belt in the northern part of the Yenisei Ridge is determined. U–Pb dating of zircon megacrysts from alkaline ultramafic rocks has established the values of 657.7 ± 13.4 and 647.6 ± 9.7 Ma for the Natalyinskaya pipe and Pipe no. 3, respectively. The intrusion of alkaline ultramafic explosion pipes of the Chapinskii complex corresponds to the time of manifestation of alkaline ultramafic magmatism along the southern and southwestern margin of the Siberian Craton.

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查宾斯基岩群（叶尼塞河脊）碱性超基性岩爆炸管的年龄

摘要确定了叶尼塞海脊北部青格山岩浆带查宾斯基岩群爆炸管道的形成年龄。通过对碱性超基性岩中的锆石巨晶进行 U-Pb 测定，确定了 Natalyinskaya 管道和 3 号管道的形成年龄分别为 657.7 ± 13.4 Ma 和 647.6 ± 9.7 Ma。3号管道分别为657.7 ± 13.4 Ma和647.6 ± 9.7 Ma。Chapinskii 复合体碱性超基性岩爆炸管的侵入与西伯利亚克拉通南缘和西南缘碱性超基性岩岩浆活动的显现时间相吻合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Doklady Earth Sciences 地学-地球科学综合

CiteScore

1.40

自引率

22.20%

发文量

138

审稿时长

3-6 weeks

期刊介绍： Doklady Earth Sciences is a journal that publishes new research in Earth science of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.

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