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Precambrian Captured Zircon Ages in the Daheigou Formation, Xing'an Block

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文摘 The Xing'an Block (XB) is located between the Erguna Block (EB) and the Songnen Block (SB), which topographically occupies the northeastern half of the Great Xing'an Range (Liu et al., 2017). The XB was traditionally considered to be composed of a Precambrian metamorphic basement and post-Cambrian cover. However, the recent geochronological studies show that the so-called “Precambrian metamorphic rocks” are much younger in age and considered to be formed in the Early Paleozoic, indicating no existence of the Precambrian metamorphic basement. But the Precambrian detrital zircons (ca. 580-2000 Ma) from the Zhalantun-Duobaoshan area indicate there should be Precambrian basement in the Great Xing'an Range, nevertheless, and that the old detrital zircons are explained to be from the surrounding the EB to the west and the SB to the east. Where are the Precambrian materials? This paper reports a new discovery of Precambrian zircon ages in the Nuomin area of the center of Xing'an Block.
来源 Acta Geologica Sinica ,2019,93(3):758-759 【核心库】
DOI 10.1111/1755-6724.13840
地址

1. Shenyang Institute of Geology and Mineral Resources, China Geological Survey, Liaoning, Shenyang, 110034  

2. Resources and Environmental Engineering of Shandong University of Technology, Shandong, Zibo, 255049

语种 英文
文献类型 研究性论文
ISSN 1000-9515
学科 地质学
基金 supported by the China Geological Survey ;  the Young Scientists Fund of Shandong Province ;  the Financial Fund of Shandong Province
文献收藏号 CSCD:6518864

参考文献 共 2 共1页

1.  Liu Y J. A review of the Paleozoic tectonics in the eastern part of Central Asian Orogenic Belt. Gondwana Research,2017,43:123-148 被引 189    
2.  Li H K. Zircon U-Pb dating technique using LA-MC-ICPMS. Bulletin of Mineralogy, Petrology and Geochemistry. (in Chinese),2009,29(S1):600-601 被引 1    
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1 吴新伟 龙江-乌兰浩特地区新太古代-古元古代岩浆事件:对松嫩地块西缘前寒武纪地质体属性的制约 岩石学报,2022,38(9):2811-2828
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