| 江南隆起带新元古代碰撞结束时间:沧水铺砾岩上下层位的U-Pb年代学证据 |
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| 引用本文： | 张玉芝,王岳军,范蔚茗,张爱梅,张菲菲.江南隆起带新元古代碰撞结束时间:沧水铺砾岩上下层位的U-Pb年代学证据[J].大地构造与成矿学,2011,35(1):32-46. |
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| 作者姓名： | 张玉芝 王岳军 范蔚茗 张爱梅 张菲菲 |
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| 作者单位： | 1. 中国科学院,广州地球化学研究所,同位素年代学和地球化学重点实验室,广东,广州,510640;中国科学院,研究生院,北京,100049
2. 中国科学院,广州地球化学研究所,同位素年代学和地球化学重点实验室,广东,广州,510640 |
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| 基金项目： | 中国科学院知识创新项目，973项目，国家自然科学基金 |
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| 摘 要： | 本文通过对江南雪峰沧水铺地区元古代砾岩及其上下层位的详细野外地质调查及相关样品的锆石U-Pb激光和SIMS年代学研究表明,江南雪峰地区新元古代地层自下到上包括冷家溪群、由林家湾组紫红色砾岩、银珠坝组陆相火山岩(或宝林冲组下部火山岩)构成的沧水铺群、及以横路冲组砂砾岩层开始的板溪群.下伏于银珠坝组陆相火山岩并角度不整合上...
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| 关 键 词： | 沧水铺群砾岩 U-Pb年代学 新元古代碰撞 冷家溪群 板溪群 江南隆起带 |
Geochronological Constraints on the Neoproterozoic Collision along the Jiangnan Uplift:Evidence from Studies on the Neoproterozoic Basal Conglomerates at the Cangshuipu Area,Hunan Province |
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| ZHANG Yuzhi,WANG Yuejun,FAN Weiming,ZHANG Aimei,ZHANG Feifei.Geochronological Constraints on the Neoproterozoic Collision along the Jiangnan Uplift:Evidence from Studies on the Neoproterozoic Basal Conglomerates at the Cangshuipu Area,Hunan Province[J].Geotectonica et Metallogenia,2011,35(1):32-46. |
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| Authors: | ZHANG Yuzhi WANG Yuejun FAN Weiming ZHANG Aimei ZHANG Feifei |
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| Institution: | ZHANG Yuzhi1,2,WANG Yuejun1,FAN Weiming1,ZHANG Aimei1,2 and ZHANG Feifei1,2(1.CAS Key laboratory of Isotope Geochronology and Geochemistry,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,Guangdong,China,2.Graduate University of Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | This paper presents the field investigation and zircon U-Pb geochronological data for the Neoproterozoic basal conglomerates and the associated rocks at the Cangshuipu area (Yiyang),Hunan Province. The results show that the Neoproterozoic sequences in this area are composed of the Lengjiaxi,Cangshuipu and Banxi Groups with the Hengluchong conglomerates at the basal part. The Cangshuipu Group consists of the Lingjiawan (the red basal conglomerate) and Yinzhuba (terrestrial volcanic rock) Formations. Geochron... |
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| Keywords: | Cangshuipu conglomerates Zircon U-Pb dating Neoproterozoic collision Lengjiaxi Group Banxi Group Jiangnan Uplift |
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