First SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for palaeoproterozoic amalgamation of North China Craton
文献类型：期刊论文
| 作者 | Wilde, SA; Zhao, GC; Wang, KY; Sun, M |
| 刊名 | CHINESE SCIENCE BULLETIN
 |
| 出版日期 | 2004 |
| 卷号 | 49期号:1页码:83-90 |
| 关键词 | Hutuo Group SHRIMP zircon ages North China Craton palaeoproterozoic collisional orogenesis |
| ISSN号 | 1001-6538 |
| DOI | 10.1360/03wd0220 |
| 文献子类 | Article |
| 英文摘要 | A felsic tuffaceous rock, obtained from a metamorphosed sequence of volcanics and sediments of the Hutuo Group, 8 km south of Taihuai in Wutaishan, contains two zircon populations. These record SHRIMP Pb-207/Pb-206 weighted mean ages of 2180 +/- 5 Ma and 2087 +/- 9 Ma, respectively. The older date is within error of the age of the Dawaliang Granite in Wutaishan and is considered to be derived from a similar crustal magmatic source. The younger date is within error of reported ages from metasediments and meta-volcanics of the Wanzi supracrustal rocks and the Nanying granitic gneisses in the adjacent Fuping Complex and is interpreted to be the age of volcanism in the Hutuo Group. These data establish that: (1) the Hutuo Group is Paleoproterozoic and not Archean in age and (2) the volcanism and sedimentation were coeval in the Wutai and Fuping complexes. Sedimentation was therefore widespread at this time and possibly reflects deposition along an evolving continental margin, most likely the western margin of the Eastern Block of the North China Craton. The age of 2087 +/- 9 Ma for volcanism in the Hutuo Group means that it must have been deformed and metamorphosed after this time. This further supports the evidence, obtained from other recent studies, that the main tectonism in the Wutaishan area occurred at similar to1.8 Ga during the Luliang orogeny. This orogeny resulted in the collision of the Eastern and Western blocks of the North China Craton and formed part of a global supercontinental amalgamation event. |
| WOS关键词 | HIGH-PRESSURE GRANULITES ; TECTONIC EVOLUTION ; BASEMENT ROCKS ; FUPING COMPLEX ; SANGGAN AREA ; CENTRAL ZONE ; T PATH ; PETROLOGY ; SUPERCONTINENT ; GEOCHRONOLOGY |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000188979800013 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/79657]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Wilde, SA |
| 作者单位 | 1.Curtin Univ Technol, Dept Appl Geol, Perth, WA 6845, Australia 2.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wilde, SA,Zhao, GC,Wang, KY,et al. First SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for palaeoproterozoic amalgamation of North China Craton[J]. CHINESE SCIENCE BULLETIN,2004,49(1):83-90. |
| APA | Wilde, SA,Zhao, GC,Wang, KY,&Sun, M.(2004).First SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for palaeoproterozoic amalgamation of North China Craton.CHINESE SCIENCE BULLETIN,49(1),83-90. |
| MLA | Wilde, SA,et al."First SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for palaeoproterozoic amalgamation of North China Craton".CHINESE SCIENCE BULLETIN 49.1(2004):83-90. |
入库方式： OAI收割
来源：地质与地球物理研究所
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