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A Geomagnetic Paleointensity Record of 0.6 to 3.2?Ma From Sediments in the Western Equatorial Pacific and Remanent Magnetization Lock‐In Depth

机译：从西部赤道太平洋和剩余磁化锁定深度的沉积物，从沉积物的沉积物进行0.6至3.2？

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Abstract >Information of past geomagnetic intensity variations is important for better understanding of the geodynamo, and efforts to recover continuous paleointensity records continue, in particular for ages older than 2?Ma. In this study, a new relative paleointensity (RPI) record of 0.6 to 3.2?Ma was obtained from a sediment core in the western equatorial Pacific, which has good age control by the oxygen isotope stratigraphy from 2.0 to 3.2?Ma. The RPI record could well be correlated to existing RPI templates despite the low sedimentation rate of ~5?m/Ma and will be useful for future construction of a stacked paleointensity curve beyond 2?Ma. Magnetic minerals of the core consist mainly of biogenic and terrigenous oxidized magnetite. Some rock magnetic contamination to long‐term RPI changes is recognized; RPI inversely correlates with the ratio of anhysteretic remanent magnetization to saturation remanent magnetization, which may be caused by differences in remanence acquisition efficiency between the biogenic and terrigenous magnetic components. The lock‐in depth of the studied core is estimated to be approximately 0 from a line of evidence including no apparent offset between RPI and cosmogenic beryllium nuclide flux changes across some polarity boundaries. Lock‐in depths vary locally from core to core or even within a single core and have no obvious relation with sedimentation rates and carbonate contents. Lock‐in depths may be controlled by factors that are currently difficult to be evaluated, such as variations in sediment flocculation sizes and biogeochemical remanent magnetization dependent to chemical conditions of sediments. </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”> <标题类型=“main”>抽象</ title> >过去的地磁强度变化的信息对于更好地理解Geodynamo以及恢复的努力是重要的连续的大部分记录持续，特别是对于年龄超过2岁的年龄。在本研究中，从西赤道太平洋中的沉积物核心获得了0.6至3.2℃的新相对大部分（RPI）记录，其具有从2.0至3.2的氧同位素地层的良好控制。尽管〜5？M / mA的沉降率低，RPI记录可能与现有的RPI模板相关，并且对于未来2级堆积的大部分曲线的构造是有用的。芯的磁性矿物主要由生物和土氧化磁铁矿组成。识别出长期RPI变化的一些岩石磁污染; RPI与间歇刚性磁化的比率与饱和反弹磁化的比率相关，这可能是由生物和土磁性部件之间的剩磁效率的差异引起的。所研究的核心的锁定深度估计从一系列证据估计大约为0，包括在某种极性边界之间的RPI和富含浊铍核素通量变化之间的明显偏移。锁定深度从核心局部变化到核心，甚至在单一核心内，与沉降率和碳酸盐含量没有明显的关系。锁定深度可以由目前难以评估的因素来控制，例如沉积物絮凝尺寸的变化和依赖于沉积物的化学条件的生物地球化学再现磁化。</ p> </摘要> </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>2017年第10期</span><b style="margin: 0 2px;">|</b><span>共19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=Sakuramoto Yukihiro&option=202" target="_blank" rel="nofollow">Sakuramoto Yukihiro;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yamazaki Toshitsugu&option=202" target="_blank" rel="nofollow">Yamazaki Toshitsugu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kimoto Katsunori&option=202" target="_blank" rel="nofollow">Kimoto Katsunori;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Miyairi Yosuke&option=202" target="_blank" rel="nofollow">Miyairi Yosuke;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kuroda Junichiro&option=202" target="_blank" rel="nofollow">Kuroda Junichiro;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yokoyama Yusuke&option=202" target="_blank" rel="nofollow">Yokoyama Yusuke;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Matsuzaki Hiroyuki&option=202" target="_blank" rel="nofollow">Matsuzaki Hiroyuki;</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>Atmosphere and Ocean Research InstituteThe University of TokyoKashiwa Japan;</p> <p>Atmosphere and Ocean Research InstituteThe University of TokyoKashiwa Japan;</p> <p>Japan Agency for Marine‐Earth Science and TechnologyYokosuka Japan;</p> <p>Atmosphere and Ocean Research InstituteThe University of TokyoKashiwa Japan;</p> <p>Atmosphere and Ocean Research InstituteThe University of TokyoKashiwa Japan;</p> <p>Atmosphere and Ocean Research InstituteThe University of TokyoKashiwa Japan;</p> <p>Micro Analysis Laboratory Tandem AcceleratorThe University Museum The University of TokyoTokyo Japan;</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=paleointensity&option=203" rel="nofollow">paleointensity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=lock‐in depth&option=203" rel="nofollow">lock‐in depth;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=beryllium isotope&option=203" rel="nofollow">beryllium isotope;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=western equatorial Pacific&option=203" rel="nofollow">western equatorial Pacific;</a> </p> <div class="translation"> 机译：大小;锁定深度;铍同位素;西赤道太平洋; </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/0704020652076.html">A Geomagnetic Paleointensity Record of 0.6 to 3.2Ma From Sediments in the Western Equatorial Pacific and Remanent Magnetization Lock-In Depth</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sakuramoto Yukihiro&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Sakuramoto Yukihiro,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yamazaki Toshitsugu&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Yamazaki Toshitsugu,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kimoto Katsunori&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Kimoto Katsunori,</a> <a href="/journal-foreign-34656/" target="_blank" rel="nofollow" class="tuijian_authcolor">Journal of Geophysical Research. 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target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 葛同明</a> <span> <a href="/conference-cn-51227/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第三届全国古地磁学术讨论会 </a> <span> <span> . -1</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020314350974.html">东太平洋海隆赤道地区水温和沉积物特征对热液活动的指示分析</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=齐海燕&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 齐海燕</a> <span> . 2016</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/061204921989.html">一种水下沉积物打捞辅助装置及水下沉积物打捞装置</a> <b>[P]</b> . <span> 中国专利： CN110980825B </span> <span> . 2022.02.22</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120113961301.html">一种用于清除再生黄铜熔炉沉积物的组合物、清沟剂及再生黄铜熔炉沉积物的清除方法</a> <b>[P]</b> . <span> 中国专利： CN114032401A </span> <span> . 2022-02-11</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130481529328.html">Method and apparatus for authenticating a record medium consisting of applying two different strength magnetizing fields and monitoring the remanent fields</a> <b>[P]</b> . <span> 外国专利：  US4038596A </span> <span> . 1977-07-26</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：验证记录介质的方法和装置，包括施加两个不同强度的磁化场并监视剩余场 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130485949063.html">Device for clock enable maes strength of a recorded magnetization on a change in the start - stop - operation of moving magnetic tape</a> <b>[P]</b> . <span> 外国专利：  DE000001499874C </span> <span> . 1973-06-07</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：时钟装置使移动磁带的开始-停止-操作发生变化时记录的磁化强度 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130485972392.html">Device for clock enable maes strength of a recorded magnetization on a change in the start - stop - operation of moving magnetic tape</a> <b>[P]</b> . <span> 外国专利：  DE1499874B2 </span> <span> . 1972-11-16</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：时钟装置使移动磁带的开始-停止-操作发生变化时记录的磁化强度 </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> 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