Isotopic-geochemical characteristics of the ore-bearing ultramafic-mafic intrusions of western Taimyr, Russia

被引：0
作者：
I. Yu. Badanina
K. N. Malitch
A. P. Romanov
机构：
[1] Russian Academy of Sciences,Zavaritsky Institute of Geology and Geochemistry, Ural Branch
[2] Krasnoyarsk Research Institute of Geology and Mineral Resources,undefined
来源：
Doklady Earth Sciences | 2014年 / 458卷
关键词：
Zircon; Olivine; 206Pb; 86Sr; Siberian Platform;
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学科分类号：
摘要：
The composition and isotopic-geochemical peculiarities of zircons from the ore-bearing ultramafic-mafic intrusions of western Taimyr that are promising for finding Pt-Cu-Ni mineralization were characterized for the first time. The similar U-Pb age of zircons from the Binyuda and Dyumaltei intrusions (248.3 ± 13 and 244.4 ± 2.4 Ma, respectively) indicates that the intrusions were formed almost synchronously with tholeiitic basalts of the Siberian Platform. The age and Nd-Sr data of intrusions of western Taimyr are distinct from those of economic ore-bearing intrusions of the Noril’sk province characterized by long-term magmatic evolution of the rocks and different material sources.
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页码：1165 / 1167
页数：2
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