西藏当雄纳龙晚古生代裂谷盆地的识别及其意义  被引量：11

The discovery and implications of the Nalong Late Palaeozoic rift basin in Damxung, Xizang</em> <p class='article-op'> <span id="bdshare" class="bdshare_t bds_tools get-codes-bdshare baidufx"><span><span class="bds_more" style="display: block; width: 62px; height: 29px; background: url(/images/share.gif) no-repeat!important; padding: 0;"></span></span></span> </p> <p class="article-source"> <a href ='/article/read.aspx?id=6194161' class='btnTitle btnIsView' target='_blank'><img alt='在线阅读' src='/images/btn-read.png'/></a><a class='btnTitle btnIsView' href="javascript:showdown('FwkLlUOoe5AM2pxhTidTu3f9rnaFoTVPfLsAOfCVSYs=')"><img alt="下载全文" src="/images/btn-down.png" /></a> <input id="hiddowninfo" type="hidden" value="FwkLlUOoe5AM2pxhTidTu3f9rnaFoTVPfLsAOfCVSYs="/> </p> <div class="collect" style="display: none"> <h5>我的收藏</h5> <div class="cnt"> <p> 名 称：<input type="text" name="collTitle" id="collSumTitle" /> </p> <p> 注 释：<input type="text" name="collRemark" id="collSumRemark" /> </p> <p style="text-align: center;"> <a href="javascript:void(0)" onclick="g_collectSumOk();"> <img width="65" height="17" src="/images_new/collect_ok.png" alt="完成" /></a> <a href="javascript:void(0)" onclick="g_collectSumCancel();"> <img width="65" height="17" src="/images_new/collect_no.png" alt="取消" /></a> </p> </div> </div> </div> <form name="wxTransfer" method="post"> <input type="hidden" name="lid" value="" /> <input type="hidden" name="sip" value="" /> <input type="hidden" name="date" value="" /> <input type="hidden" name="co" value="" /> <input type="hidden" name="Title_C" value="" /> <input type="hidden" name="Writers" value="" /> <input type="hidden" name="Name_C" value="" /> <input type="hidden" name="Num" value="" /> <input type="hidden" name="Years" value="" /> <input type="hidden" name="Volumn" value="" /> <input type="hidden" name="GCH" value="" /> <input type="hidden" name="Vol" value="" /> <input type="hidden" name="BookID" value="" /> <input type="hidden" name="SubjectNum" value="" /> <input type="hidden" name="SpecialNum" value="" /> <input type="hidden" name="mirrorName" value="" /> <input type="hidden" name="UserID" value="" /> <input type="hidden" name="UserName" value="" /> <input type="hidden" name="sourceID" value="" /> </form> <script type="text/javascript" src="/scripts/transfer.min.js"></script> <div class="article-detail"> <p class='author'><strong>作　　者：</strong><a href='/writer/article.aspx?id=100000008406714' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e6%9d%8e%e5%85%89%e6%98%8e%5d' title='李光明[1]'>李光明[1]</a> <a href='/writer/article.aspx?id=100000003510607' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e9%ab%98%e5%a4%a7%e5%8f%91%5d' title='高大发[2]'>高大发[2]</a> <a href='/writer/article.aspx?id=100000008027140' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e9%bb%84%e5%bf%97%e8%8b%b1%5d' title='黄志英[2]'>黄志英[2]</a> <em> </em></p><p class='organ'><strong>机构地区：</strong><a href='/organ/article.aspx?id=3589&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e4%b8%ad%e5%9b%bd%e5%9c%b0%e8%b4%a8%e5%a4%a7%e5%ad%a6' title='[1]中国地质大学,湖北武汉4300742'>[1]中国地质大学,湖北武汉4300742</a> <a href='/organ/article.aspx?id=274&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e6%88%90%e9%83%bd%e5%9c%b0%e8%b4%a8%e7%9f%bf%e4%ba%a7%e7%a0%94%e7%a9%b6%e6%89%80' title='[2]成都地质矿产研究所,四川成都610082'>[2]成都地质矿产研究所,四川成都610082</a> <em> </em></p><p class='from'><strong>出　　处：</strong><a href='/journal/summary.aspx?gch=98500A' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=J%3d%5b%e6%b2%89%e7%a7%af%e4%b8%8e%e7%89%b9%e6%8f%90%e6%96%af%e5%9c%b0%e8%b4%a8%5d' title='沉积与特提斯地质'>《沉积与特提斯地质》</a>2002年第1期83-87,共5页<em>Sedimentary Geology and Tethyan Geology</em></p><p class='abstrack'><strong>摘　　要：</strong>西藏冈底斯构造带是冈瓦纳大陆北部边缘的重要组成部分,经历了特提斯演化的全过程,并在中生代发育的典型的多岛弧 盆地系统。笔者根据冈底斯构造带中部纳龙地区晚古生代发育的沉积相类型、火山岩组合以及古生物等方面的资料,首次提出当雄纳龙盆地在中二叠世栖霞期具有裂谷盆地性质,揭示出冈底斯地区在二叠纪已转化为活动大陆边缘,为研究西藏冈底斯地区弧 盆系统的形成过程及晚古生代的区域构造特征古地理格局提供了重要的资料。<em><Abstrcat> The Gangdise structural zone in central Xizang lies in the central part of the eastern Tethyan tectonic domain, bounded to the south by the Yarlung Zangbo suture and to the north by the BangongNujiang suture zone. The structural zone is believed to be a significant component of northern Gondwanaland, where the typical archipelagic arcbasin systems were developed during the Mesozoic. The recent approaches on sedimentary facies types, volcanic rock associations and biological fossils show that the zone is not a simple microcontinent, landmass or terrane, but an archipelagic collisional orogeny that is complicated in its internal architectures and recorded all the stages of the Tethyan evolution. The Nalong Late Palaeozoic rift basin in Damxung, Xizang was once a rift basin during the Qixian (Middle Permian), implying that the Gangdise region evolved from a passive continental margin to an active continental margin during the Late Palaeozoic. The discovery of the Nalong Basin is of great significance to the improvement of our knowledge of the Late Palaeozoic regional tectonic and palaeogeographic framework of the Gangdise structural zone, and of the Late Palaeozoic Tethyan evolution of northern Gondwanaland.</em></p><p class='subject'><strong>关 键 词：</strong><a href='/subject/article.aspx?id=6968691' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e5%86%88%e5%ba%95%e6%96%af%e6%9e%84%e9%80%a0%e5%b8%a6%5d' title='冈底斯构造带'>冈底斯构造带</a> <a href='/subject/article.aspx?id=3796591' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e6%99%9a%e5%8f%a4%e7%94%9f%e4%bb%a3%5d' title='晚古生代'>晚古生代</a> <a href='/subject/article.aspx?id=4417658' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e8%a3%82%e8%b0%b7%e7%9b%86%e5%9c%b0%5d' title='裂谷盆地'>裂谷盆地</a> <a href='/subject/article.aspx?id=9027150' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e6%b2%89%e7%a7%af%e7%9b%b8%5d' title='沉积相'>沉积相</a> <a href='/subject/article.aspx?id=5598859' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e7%81%ab%e5%b1%b1%e5%b2%a9%5d' title='火山岩'>火山岩</a> </p><p class='class'><strong>分 类 号：</strong><a href='/zk/search.aspx?key=C%3dP544.4' title='P544.4'>P544.4</a>[<a href = '/domain/article.aspx?id=432' >天文地球—构造地质学</a>] <a href='/zk/search.aspx?key=C%3dP534.4' title='P534.4'>P534.4</a>[<a href = '/domain/article.aspx?id=424' >天文地球—地质学</a>] </p> </div> <div id="content_wzxg" name="wzxg" class="article-graph"> <object width="695" height="250" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="FlashID"> <param value="../flash/relation.swf" name="movie"> <param value="high" name="quality"> <param value="opaque" name="wmode"> <param value="6.0.65.0" name="swfversion"> <param value="dataUrl=/ajax/articlerelativegraph.ashx?id=6194161" 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