Zircon U/Pb dating and Hf-O isotopes of the Zhouan ultramafic intrusion in the northern margin of the Yangtze Block, SW China： Constraints on the nature of mantle source and timing of the supercontinent Rodinia breakup

The Zhouan ultramafic intrusion in the northern margin of the Yangtze Block is mainly composed of lherzolite. Zircon grains selected from lherzolite are irregular in shape with distinct oscillatory and sector zoning and have Th/U ratios ranging from 0.8 to 10.6, indicating a magmafic origin. The wei...

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Veröffentlicht in:	中国科学：技术科学英文版 2013 (3), p.777-787
1. Verfasser:	WANG MengXi WANG ChristinaYan ZHAO JunHong
Format:	Artikel
Sprache:	eng
Schlagworte:	O同位素 Rodinia超大陆 中国西南地区 北缘 地幔源区 扬子陆块 超镁铁质 锆石
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