SHIRIMP zircon U-Pb dating of the Gangou granitoids, central Tianshan Mountains, northwest China and tectonic significances
文献类型：期刊论文
| 作者 | Shi YuRuo; Liu DunYi; Zhang Qi; Jian Ping; Zhang FuQin; Miao LaiCheng |
| 刊名 | CHINESE SCIENCE BULLETIN
 |
| 出版日期 | 2007-06-01 |
| 卷号 | 52期号:11页码:1507-1516 |
| 关键词 | SHRIMP dating granitoids Gangou Xinjiang |
| ISSN号 | 1001-6538 |
| 文献子类 | Article |
| 英文摘要 | Two types of granitoids, highly deformed augen granitoids and undeformed fine-grained granitoids, are widely distributed in Gangou area, Central Tianshan Mountains, Northwest China. The augen granitoids are high-K calc-alkaline characterized by high K(2)O, Rb, Y and Th, and low Sr and Sr/Y They also have high contents of large ion lithophile elements (LILE), such as Ba, Rb, K and Th, and relatively low contents of high field strength elements (HFSE), such as Zr, Y and Nb. The fine-grained granitoids are calc-alkaline characterized by high Sr, low Y and HREE, similar to adakitic rocks, and with Na(2)O/K(2)O < 2 (1.76-1.91), high, I(Sr) (0.70689-0.70981), and negative epsilon(Nd)(t) (-2.4--5.3). High-precision SHRIMP U-Pb zircon dating results indicate that the Gangou augen granitiods were formed at 428 +/- 10 Ma, and the fine-grained granitoids were emplaced at 361-368 Ma. These geochemical and U-Pb zircon data have significant implications for the timing of closure of the Mishigou-Gangou Ocean and the evolution of the Central Tianshan orogenic belt. |
| WOS关键词 | LOWER CONTINENTAL-CRUST ; CENTRAL-ASIA ; SUBDUCTED LITHOSPHERE ; COLLISIONAL TECTONICS ; SOUTHERN TIANSHAN ; TIEN-SHAN ; EVOLUTION ; GROWTH ; ROCKS ; ADAKITES |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000247578100011 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/68122]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Shi YuRuo |
| 作者单位 | 1.Chinese Acad Geol Sci, Inst Geol, Beijing SHRIMP Ctr, Beijing 100037, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi YuRuo,Liu DunYi,Zhang Qi,et al. SHIRIMP zircon U-Pb dating of the Gangou granitoids, central Tianshan Mountains, northwest China and tectonic significances[J]. CHINESE SCIENCE BULLETIN,2007,52(11):1507-1516. |
| APA | Shi YuRuo,Liu DunYi,Zhang Qi,Jian Ping,Zhang FuQin,&Miao LaiCheng.(2007).SHIRIMP zircon U-Pb dating of the Gangou granitoids, central Tianshan Mountains, northwest China and tectonic significances.CHINESE SCIENCE BULLETIN,52(11),1507-1516. |
| MLA | Shi YuRuo,et al."SHIRIMP zircon U-Pb dating of the Gangou granitoids, central Tianshan Mountains, northwest China and tectonic significances".CHINESE SCIENCE BULLETIN 52.11(2007):1507-1516. |
入库方式： OAI收割
来源：地质与地球物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。