Granitoids of the Olekma Complex in the Selenga–Stanovoi superterrane of the central Asian mobile belt: Age and tectonic position

被引：0
|
作者：
A. M. Larin
A. B. Kotov
V. P. Kovach
E. B. Sal’nikova
V. V. Yarmolyuk
S. D. Velikoslavinskii
S. Z. Yakovleva
Yu. V. Plotkina
机构：
[1] Russian Academy of Sciences,Institute of Precambrian Geology and Geochronology (IGGD)
[2] Russian Academy of Sciences,Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry (IGEM)
来源：
Doklady Earth Sciences | 2015年 / 464卷
关键词：
206Pb; DOKLADY Earth Science; Biotite Granite; Accessory Zircon; Granitoid Massif;
D O I：
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中图分类号：
学科分类号：
摘要：
Granitoid massifs of the Olekma Complex form a large synonymous magmatic belt, which is located in the southern part of the Selenga–Stanovoi superterrane and is traceable in the northeasterly direction for over 700 km. According to U–Pb geochronological data, they are 358 ± 2 Ma old. The geochemical data indicate their collisional nature. The massifs were most likely formed during collision between the Selenga–Stanovoi superterrane and structures of the Baikal mountainous system and its terminal formation stage as a single structural block.
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页码：903 / 906
页数：3
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