[1]黄昌旗,张开毕,石建基,等.闽赣交界武夷山南段“桃溪穹隆”形变特征及构造演化探讨[J].华东地质,2018,39(04):252-260.[doi:DOI:10.16788/j.hddz.32-1865/P.2018.04.002]
 HUANG Chang-qi,ZHANG Kai-bi,SHI Jian-ji,et al.Deformation characteristics and tectonic evolution of the Taoxi Dome in southern Wuyishan Mountains on the boundary of Fujian and Jiangxi provinces[J].East China Geology,2018,39(04):252-260.[doi:DOI:10.16788/j.hddz.32-1865/P.2018.04.002]
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闽赣交界武夷山南段“桃溪穹隆”形变特征及构造演化探讨()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
39
期数:
2018年04期
页码:
252-260
栏目:
基础地质
出版日期:
2018-12-01

文章信息/Info

Title:
Deformation characteristics and tectonic evolution of the Taoxi Dome in southern Wuyishan Mountains on the boundary of Fujian and Jiangxi provinces
文章编号:
2096-1871(2018)04-252-09
作者:
黄昌旗1张开毕2石建基3张 达4林子华5程 乔6赵举兴6
(1.福建省煤田地质局,福州 350000; 2.福建省地质调查研究院,福州 350013; 3.福建省地质矿产勘查开发局,福州 350003; 4.中国地质大学(北京),北京 100083; 5.中化地质矿山总局福建地质勘查院,福州 350013; 6.福建省煤田地质勘查院,福州 350000)
Author(s):
HUANG Chang-qi1ZHANG Kai-bi2SHI Jian-ji3 ZHANG Da4LIN Zi-hua5CHENG Qiao6ZHAO Ju-xing6
(1.The Coalfield Geology Bureau of Fujian Province,Fuzhou 350000,China; 2.Fujian Institute of Geological Survey, Fuzhou 350013,China; 3. Bureau Geology and Mineral Exploration and Development of Fujian Province, Fuzhou 350003,China; 4. China University of Geosciences(Beijing),Beijing 100083,China; 5.Fujian Exploration Institute of Geology,China Chemical Geology and Mine Bureau,Fuzhou 350000,China; 6.Fujian Exploration Institute of Coalfield Geology,Fuzhou 350000,China)
关键词:
武夷山南段 桃溪穹隆 形变特征 构造演化
Keywords:
southern Wuyishan Taoxi dome deformation characteristics tectonic evolution
分类号:
P542.3
DOI:
DOI:10.16788/j.hddz.32-1865/P.2018.04.002
文献标志码:
A
摘要:
“桃溪穹隆”由内核、中间层和盖层组成,发育岩石流变,韧性、韧脆性和脆性变形(断裂)。文章以“桃溪穹隆”内核、中间层和盖层为对象,通过研究其形变特征、运动形式及相互关系,探讨穹隆上隆的运动方式,结合沉积事件、岩浆活动和构造运动,阐述穹隆的形成机制和构造演化特征。“桃溪穹隆”于加里东期(志留纪末)隆升,华力西期—印支期(晚二叠世—中三叠世)大规模上隆,燕山期及后期继承性活动,主隆升期(华力西期—印支期)为逆时针旋转上隆。穹隆长期隆升是该区古元古代结晶基底出露的主要原因。
Abstract:
The Taoxi dome is composed of inner core, intermediate layer and cap rock, each of which developed various structural deformations, including rheologic, ductile, ductile-brittle and brittle deformation(fracture). With the tectonic deformations of each structure as the research targets, this paper discussed the uplift process of the dome through analyzing deformation characteristics, movement modes and their relationships. The forming mechanism and tectonic evolution of the dome were expounded based on the depositional events, magmatism and tectonic movement. Out study shows that the Taoxi dome started to uplift at the Caledonian period(end of Silurian)and ascended in a large scale during the period from the Variscan(Late Permian)to the Indosinian(Middle Triassic), followed by inherited activities in the Yanshanian and later, with anti-clockwise rotation uplift in the main uplift period(Variscan-Indosinian). The long-term uplift of the dome may be the leading reason for exposure of the Paleoproterozoic crystalline basement in the study area.

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备注/Memo

备注/Memo:
*收稿日期:2017-12-12 修订日期:2018-03-02 责任编辑:谭桂丽
基金项目:中国地质调查局“1:25万瑞金市幅区域地质调查(编号:199913000204)”和福建省地质矿产勘查开发局“1:5万四都、桃溪、涂坊、永平幅区域地质调查(编号:闽地勘发[1996]29号文)”项目联合资助。
第一作者简介:黄昌旗,1969年生,男,教授级高级工程师,主要从事区域地质调查、矿产远景调查和矿产勘查工作。
更新日期/Last Update: 2018-11-13