| 罗霄山脉中段志留纪花岗岩岩石谱系单位特征及侵位机制探讨 |
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| 引用本文： | 邓必荣,王迪文,石鉴东.罗霄山脉中段志留纪花岗岩岩石谱系单位特征及侵位机制探讨[J].江西地质,2001,15(3):171-175. |
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| 作者姓名： | 邓必荣 王迪文 石鉴东 |
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| 作者单位： | 江西省地质调查院, |
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| 摘 要： | 罗霄山脉中段出露有黄洋界、汤湖两处花岗岩岩基和同时期侵位的岩株、岩瘤，其成岩时代属志留纪，按其侵位构造、岩石组合、地球化学等特征，可建立5个岩石单元，归并为汤湖超单元。岩浆的侵位受区域性大断裂左旋剪切应力控制，空间上呈现由南东往北西逐渐变新的特点。
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| 关 键 词： | 岩石谱系单位 左旋剪切应力 罗霄山脉 志留纪 花岗岩 侵位机制 地质构造 |
| 文章编号： | 1001-7356(2001)03-0171-05 |
| 修稿时间： | 2001年4月12日 |
A DISCUSSION ON THE CHARACTERISTICS OF ROCK HIERARCHI CAL UNITS AND THE EMPLACEMENT MECHANISM OF SILURIAN GRANITE IN THE MIDDLE SECTION OF LUOXIAO MOUNTAINS |
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| DENG Bi-rong,WANG Di-wen,SHI Jian-dong.A DISCUSSION ON THE CHARACTERISTICS OF ROCK HIERARCHI CAL UNITS AND THE EMPLACEMENT MECHANISM OF SILURIAN GRANITE IN THE MIDDLE SECTION OF LUOXIAO MOUNTAINS[J].Jiangxi Geology,2001,15(3):171-175. |
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| Authors: | DENG Bi-rong WANG Di-wen SHI Jian-dong |
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| Abstract: | Two Silurian granite batholiths with contemporaneous stocks and bosses are exposed respectively in Huangyangjie and Tanghu in the middle section of Luoxiao mountains.Based on emplacement structure,rock assemblage and geochemistry,a Tanghu super-unit consisting of5rock units can be established.Controlled by sinistral shear stress of a regional major fault during magma emplacement,the distribution of the granite displays a northwestward younging pattern. |
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| Keywords: | rock hierarchical unit sinistral shear stress middle section of the Luoxiao Mountains |
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