Seismic Evidence on Different Rifting Mechanisms in Southern and Northern Segments of the Fenhe‐Weihe Rift Zone

Ai Sanxi; Zheng Yong; Riaz Muhammad Shahid; Song Meiqing; Zeng Sijia; Xie Zujun

摘要

Abstract > The Fenhe‐Weihe Rift (FWR) system is one of the most active rift zones in east China, and plays an important role in the reactivation of the North China Craton. In this work, a high‐resolution 3‐D lithospheric S wave velocity model of the FWR is built by joint inversion of receiver functions and ambient noise. Strong correlation between topography and tectonic features is observed at shallow depths. At great depths, strong heterogeneities are observed along the FWR: (1) high‐velocity anomalies emerge beneath the Weihe and Taiyuan basins in the lower crust; (2) two high‐velocity anomalies are imaged in the uppermost mantle beneath the south to central FWR; and (3) two strong large‐scale, low‐velocity zones are observed beneath the north Trans‐North China Oregon: one is at ~60?km and the other one is much larger with a deeper source. Based on the petrologic properties, geochemical analyses, and seismic images obtained in this work, we propose that the rifting mechanisms between the south and north FWR are different. In the south, the rifting could be mainly caused by the passive effects from the uplift of the Tibetan Plateau, while in the north the rifting is due to the combined effects of the asthenosphere upwelling and the counterclockwise rotation of the Ordos block. The uppermost mantle high‐velocity anomalies underneath the south to central part of the FWR could be the remnants of strong ancient cratonic root, and act as mechanical barriers to block the rifting processes between the south and north FWR. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> > fenhe-weihe裂痕（fwr）系统是东部最活跃的裂缝区之一中国，在华北克拉顿重新激活中发挥着重要作用。在这项工作中，通过接收器功能的联合反演和环境噪声的联合反演构建FWR的高分辨率3-D岩形 S </ i>波速模型。在浅深度观察到地形和构造特征之间的强相关性。在很大的深度中，沿着FWR观察到强烈的异质性：（1）高速异常在渭河和太原盆地下方出现的下层地壳; （2）两种高速异常在南部到中央FWR下面的最上面的地幔上成像; （3）在北跨北俄勒冈州的两种强大的大规模，低速区观察到：一个是〜60 km，另一个源头更大。基于在这项工作中获得的地球化学分析和地球化学分析和地震图像的基础上，我们建议南部和北方FWR之间的脱水机制是不同的。在南方，脱档可能主要由藏高高原隆起的被动效果引起，而在北部河流是由于哮喘圈的血液圈升高的综合影响和鄂尔多斯块的逆时针旋转。南方南部到中央部分的最高型搭式高速异常可能是强大的古代裂缝根的残余物，并充当机械障碍，以阻止南部和北方FWR之间的脱水过程。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-34677/'>《Journal of geophysical research. Solid earth: JGR》</a> <b style="margin: 0 2px;">|</b><span>2019年第1期</span><b style="margin: 0 2px;">|</b><span>共22页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ai Sanxi&option=202" target="_blank" rel="nofollow">Ai Sanxi;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zheng Yong&option=202" target="_blank" rel="nofollow">Zheng Yong;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Riaz Muhammad Shahid&option=202" target="_blank" rel="nofollow">Riaz Muhammad Shahid;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Song Meiqing&option=202" target="_blank" rel="nofollow">Song Meiqing;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zeng Sijia&option=202" target="_blank" rel="nofollow">Zeng Sijia;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xie Zujun&option=202" target="_blank" rel="nofollow">Xie Zujun;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>State Key Laboratory of Geodesy and Earth's DynamicsInstitute of Geodesy and Geophysics Chinese Academy of SciencesWuhan China;</p> <p>State Key Laboratory of Geological Processes and Mineral Resources Institute of Geophysics and GeomaticsChina University of GeosciencesWuhan China;</p> <p>State Key Laboratory of Geodesy and Earth's DynamicsInstitute of Geodesy and Geophysics Chinese Academy of SciencesWuhan China;</p> <p>Center for Earthquake Prediction Earthquake Administration of Shanxi ProvinceTaiyuan China;</p> <p>State Key Laboratory of Geodesy and Earth's DynamicsInstitute of Geodesy and Geophysics Chinese Academy of SciencesWuhan China;</p> <p>State Key Laboratory of Geological Processes and Mineral Resources Institute of Geophysics and GeomaticsChina University of GeosciencesWuhan China;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fenhe‐Weihe Rift&option=203" rel="nofollow">Fenhe‐Weihe Rift;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=shear wave velocity&option=203" rel="nofollow">shear wave velocity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=joint inversion&option=203" rel="nofollow">joint inversion;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=ambient noise&option=203" rel="nofollow">ambient noise;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=rifting mechanism&option=203" rel="nofollow">rifting mechanism;</a> </p> <div class="translation"> 机译：汾河 - 威河裂缝;剪切波速度;关节反转;环境噪声;脱脂机制; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025591003.html">Seismic Evidence on Different Rifting Mechanisms in Southern and Northern Segments of the Fenhe‐Weihe Rift Zone</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ai Sanxi&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Ai Sanxi,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zheng Yong&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Zheng Yong,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Riaz Muhammad Shahid&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Riaz Muhammad Shahid,</a> <a href="/journal-foreign-34677/" target="_blank" rel="nofollow" class="tuijian_authcolor">Journal of geophysical research. 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tuijian_authcolor">,彭澎</a> <span> <a href="/conference-cn-41511/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第六届全国应用地球化学学术会议 </a> <span> <span> . -1</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020315218668.html">渭河盆地地震地裂缝成因机制探讨</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=赵俊彦&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 赵俊彦</a> <span> . 2019</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120103889962.html">油藏改造微地震监测裂缝震源机制求解方法及系统</a> <b>[P]</b> . <span> 中国专利： CN111175815A </span> <span> . 2020-05-19</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120113118480.html">台盆区针对裂缝型储层的地震资料叠后定量预测方法</a> <b>[P]</b> . <span> 中国专利： CN113156499A </span> <span> . 2021-07-23</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130415172169.html">Air Jet Device for harvesting fruits, where the channel is connected with the segmented Rift extension in the upper part and the switch on the Bottom, while the button is connected with the Guiding Air Flow at the bottom and expansion On segmented with the fan.</a> <b>[P]</b> . <span> 外国专利：  CL2015000466A1 </span> <span> . 2015-11-06</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：空气收集装置，用于收获水果，该通道的上部与分段的Rift延伸部分相连，底部与开关相连，而按钮的下部与引导气流相连，而风扇则与分段导通相连。 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130489349831.html">spanneinrichtung for rift and brutzone a atomkernreaktors</a> <b>[P]</b> . <span> 外国专利：  DE000001237231A </span> <span> . 1967-03-23</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：裂谷和核爆反应堆及核反应堆的夹紧装置 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130490434075.html">spanneinrichtung for rift and brutzone a atomkernreaktors</a> <b>[P]</b> . <span> 外国专利：  NL6401047A </span> <span> . 1964-08-10</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：裂谷和核爆反应堆及核反应堆的夹紧装置 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" 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