[1]汤静如,奚小双,李 欢,等.正断层中继构造扩展演化机制及对成矿构造研究的启示[J].大地构造与成矿学,2019,(43卷03):507-517.[doi:10.16539/j.ddgzyckx.2019.03.007]
 TANG Jingru,XI Xiaoshuang,LI Huan,et al.Propagation and Development Mechanism of Normal Fault Relay Structure and its Enlightenment to Metallogenic Structure Research[J].Geotectonica et Metallogenia,2019,(43卷03):507-517.[doi:10.16539/j.ddgzyckx.2019.03.007]
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正断层中继构造扩展演化机制及对成矿构造研究的启示
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《大地构造与成矿学》[ISSN:ISSN 1001-1552/CN:CN 44-1595/P]

卷:
期数:
2019年43卷03期
页码:
507-517
栏目:
中国大陆(燕山期)构造成矿作用专辑
出版日期:
2019-06-25

文章信息/Info

Title:
Propagation and Development Mechanism of Normal Fault Relay Structure and its Enlightenment to Metallogenic Structure Research
文章编号:
1001-1552(2019)03-0507-011
作者:
汤静如12 奚小双3 李 欢3 李文光4 曾南石2 赵义来12
1.广西隐伏金属矿产勘查重点实验室, 广西 桂林 541004; 2.桂林理工大学 地球科学学院, 广西 桂林 541004; 3.中南大学 地球科学与信息物理学院, 湖南 长沙 410083; 4.中矿资源勘探股份有限公司, 北京 100089
Author(s):
TANG Jingru12 XI Xiaoshuang3 LI Huan3 LI Wenguang4 ZENG Nanshi2 and ZHAO Yilai12
1. Guangxi Key Laboratory of Hidden Metallic Ore Deposits Exploration, Guilin 541004, Guangxi, China; 2. College of Earth Science, Guilin University of Technology, Guilin 541004, Guangxi, China; 3. School of Geosciences and Info-physics, Central South University, Changsha 410083, Hunan, China; 4. Sinomine Resource Exploration Co. Ltd., Beijing 100089, China
关键词:
正断层中继构造 中继斜坡 断层扩展演化 成矿构造
Keywords:
relay structure in normal fault relay ramp fault propagation and development metallotectonics
分类号:
P613
DOI:
10.16539/j.ddgzyckx.2019.03.007
文献标志码:
A
摘要:
正断层的分段构造型式及其扩展演化机制的核心内容可以归结为正断层的中继构造模式。本文从正断层的断块变形、断裂扩展以及断裂力学特征等角度, 总结了正断层中继构造的扩展演化机制。正断层的断块变形是指分段断层位移转换形成的中继斜坡, 可分为内倾和外倾两种斜坡类型, 位移曲线揭示了中继带变形的特征。正断层的断裂扩展有多种扩展方式, 可分为断层内、断层间和断层系扩展, 且可以形成不同型式的中继构造。正断层中继构造是在三维空间扩展的, 将断层边缘的断裂力学性质和断层面的放射状扩展方向相结合, 可完整描述中继构造的空间分布规律。正断层形成于伸展构造环境, 是控制油气和金属矿产资源的重要构造型式, 结合SEDEX型矿床同生断层和岩体侵位控制的正断层控矿研究实例, 初步讨论了正断层中继构造扩展演化在SEDEX型矿床和正断层相关控矿断裂成矿构造研究中的作用。
Abstract:
The normal fault segmentation and its propagation and evolution mechanism can be summarized as relay structure model in normal fault. In this paper, the propagation and development mechanism of normal fault relay structure are summarized from three aspects, fault block deformation, fault propagation and fracture mechanics. The relay ramp can be divided into outward-dip relay ramp and inward-dip relay ramp, and deformation of relay ramp is following the fault displacement transfer, the surveyed distance-displacement graphs reveal the deformation characteristics of relay zone. There are many ways of normal fault propagation, including tip-to-parent connection, isolated-to-isolated fault linkage and normal fault arrays propagation; and the relay structures can be formed by one or several different processes. Relay structure in normal fault developing in 3D space can fully describe the space distribution of relay structure and the fracture mechanics of fault border with radiation propagation direction of fault surface. In extension tectonic setting, the relay structure in normal fault is a significant structure form which generally controls the hydrocarbon and metallic resources. The role of the evolution of normal fault relay structure in SEDEX-type deposit and the related ore-controlling fracture was preliminarily discussed, especially in terms of metallotectonics.

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备注/Memo

备注/Memo:
收稿日期: 2018-05-30; 改回日期: 2018-11-27
项目资助: 国家自然科学基金项目(41662009)、广西自然科学基金项目(2016GXNSFAA380100)、广西隐伏金属矿产勘查重点实验室系统研究课题(15-140-27-07)和有色及贵金属隐伏矿床勘查教育部工程研究中心项目(2018GCZX002)联合资助。
第一作者简介: 汤静如(1977-), 男, 博士, 副教授, 主要从事成矿构造与矿产预测。Email: tjr118@glut.edu.cn
更新日期/Last Update: 2019-06-15