Isotopic age and heterogeneous sources of gabbro‒anorthosites from the Patchemvarek massif, Kola Peninsula

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作者：
A. B. Vrevsky
A. P. Lvov
机构：
[1] Russian Academy of Sciences,Institute of Precambrian Geology and Geochronology (IGGD RAN)
[2] St. Petersburg State University,undefined
来源：
Doklady Earth Sciences | 2016年 / 469卷
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摘要：
New U‒Pb (SHRIMP II) data on the age (2661.8 ± 7.1 Ma) and isotopic (Sm‒Nd) composition of the Patchemvarek gabbro‒anorthosite massif located in the junction zone between the Neoarchean Kolmozero-Voron’ya greenstone belt and Keivy paragneiss structure are discussed. The established age and geological‒tectonic position of gabbro‒anorthosites allow the prognostic metallogenic estimate of Ti‒V‒Fe mineralization to be extended to the entire Kolmozero-Voron’ya‒Keivy infrastructural zone of the Kola‒Norwegian province of the Fennoscandian shield.
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页码：716 / 721
页数：5
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