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龙亭—合阳勘查区构造应力场分析

范玉海 王辉 崔胜 张少鹏

范玉海, 王辉, 崔胜, 等, 2019. 龙亭—合阳勘查区构造应力场分析. 地质力学学报, 25 (S1): 78-83. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.014
引用本文: 范玉海, 王辉, 崔胜, 等, 2019. 龙亭—合阳勘查区构造应力场分析. 地质力学学报, 25 (S1): 78-83. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.014
FAN Yuhai, WANG Hui, CUI Sheng, et al., 2019. ANALYSIS OF THE TECTONIC STRESS FIELD OF THE LONGTING-HEYANG EXPLORATION AREA. Journal of Geomechanics, 25 (S1): 78-83. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.014
Citation: FAN Yuhai, WANG Hui, CUI Sheng, et al., 2019. ANALYSIS OF THE TECTONIC STRESS FIELD OF THE LONGTING-HEYANG EXPLORATION AREA. Journal of Geomechanics, 25 (S1): 78-83. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.014

龙亭—合阳勘查区构造应力场分析

doi: 10.12090/j.issn.1006-6616.2019.25.S1.014
基金项目: 

国家重点基础研究发展计划"973"项目 2015CB453000

陕西省第三批地勘基金项目 61201203093

详细信息
    作者简介:

    范玉海(1983-), 男, 在读博士, 工程师, 从事遥感地质、矿产地质及盆地分析研究。E-mail:170269854@qq.com

    通讯作者:

    王辉(1971-), 男, 教授级高工, 从事构造地质、盆地分析及煤田地质研究工作。E-mail:wanghui.rock@163.com

  • 中图分类号: P618;P553

ANALYSIS OF THE TECTONIC STRESS FIELD OF THE LONGTING-HEYANG EXPLORATION AREA

  • 摘要: 以基础地质资料为依托,运用构造解析研究思路与方法,进行渭北石炭二叠纪煤田韩城矿区龙亭—合阳勘查区构造应力场分析,在此基础上揭示控煤意义。结果显示研究区自三叠纪后先后经历了印支运动期北北西向挤压、燕山运动中期北西西向挤压和喜马拉雅运动期北东向挤压兼右旋剪切与北西—南东向伸展断陷作用三期构造作用,最大主压应力方位分别为335°、285°、44°;北东东向正断层系控制了区内煤层空间赋存状况,其发育程度直接影响区内煤炭资源下一步勘查与开发进程。

     

  • 图  2  F12爱帖村北沟出露段素描图[15]

    Figure  2.  The sketch map of F12 in the north ditch of Aitie Village[15]

    图  3  北东东向复式地堑与北东东向挤压断块构造样式示意图[15]

    Figure  3.  The structure style diagram of NEE multiple graben and NEE squeezed block[15]

    图  4  北北东向挤压-伸展复合构造样式

    Figure  4.  The map of NNE squeezed-stretched composite structure

    图  5  研究区共轭节理野外照片

    a—北西西向;b—北北东向;c—北东东向;d—北北西向;e—近东西向;f—近南北向

    Figure  5.  Field photographs of conjugate joints in the study area

    图  6  节理走向玫瑰花图

    Figure  6.  The rose map of the joint trend

    图  1  研究区断裂系统分布图[15]

    Figure  1.  The distribution map of fault system in the research area[15]

    表  1  共轭剪节理产状配套统计、应力场分析表

    Table  1.   The supporting statistics of conjugate sheared jionts and analysis of the stress field

    节理系
    节理组 1 2 3 4 5 6
    优选方位 105°∠79° 206°∠87° 54°∠84° 154°∠84° 1°∠86° 87°∠86°
    最大主压应力轴优势方位(δ1) 335°∠8° 285°∠3° 44°∠4°
    相对早晚 早期 中期 晚期
    注:统计数116组,其中Ⅰ期16组、Ⅱ期48组、Ⅲ期46组、南北向6组
    下载: 导出CSV
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