Isotopic characteristics of the postorogenic granites in orogenic belt of northern China and their implications in crustal growth期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Isotopic characteristics of the postorogenic granites in orogenic belt of northern China and their implications in crustal growth

Authors:	Fuyuan Wu Borming Jahn Qiang Lin

Institution:	(1) Department of Earth Sciences, Changchun University of Sciences and Technology, 130061 Changchun, China;(2) Géosciences Rennes, Universitéde Rennes I, 35042 Rennes, France

Abstract:	The orogenic belt of northern China is characterized by widely developed postorogenic I fractionated and A-type granites in the Phanerozoic. The isotopic data display relatively high ε_Nd(t) and²⁰⁶Pb/²⁰⁴Pb values and lowI _St ratio. The low T_DM model ages (<100 Ma) suggest that the Neo-Proterozoic-Phanerozoic is one of the main stages in the continental growth.

Keywords:	orogenic belt of northern China granites isotope crustal growth
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