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班公湖—怒江缝合带作为冈瓦纳大陆北界的地质地球物理证据
引用本文:潘桂棠,朱弟成,王立全,廖忠礼,耿全如,江新胜.班公湖—怒江缝合带作为冈瓦纳大陆北界的地质地球物理证据[J].地学前缘,2004,11(4):371-382.
作者姓名:潘桂棠  朱弟成  王立全  廖忠礼  耿全如  江新胜
作者单位:国土资源部,成都地质矿产研究所,四川,成都,610082
基金项目:国家重点基础研究发展计划(973计划),"成矿潜力评估,战略新区预测"课题,中国地质调查局地质调查项目,"青藏高原南部空白区基础地质综合研究"工作项目,2002CB412600,2002CB412600,1212010310102,200313000025,,,,
摘    要:迄今对冈瓦纳大陆北界的位置还存在激烈争论。随着青藏高原空白区基础地质调查以及各项地质地球物理研究工作的深入开展 ,已经积累了大量新的地质和地球物理资料 ,为重新认识冈瓦纳大陆北界和评价班公湖—怒江缝合带在青藏高原地质研究中的地位和作用带来了新的机遇。在回顾早期有关冈瓦纳大陆北界不同观点的基础上 ,从近年来在青藏高原地质调查研究中所取得的大量新的地质和地球物理资料出发 ,重点介绍了班公湖—怒江缝合带南北两侧地质与地球物理特征差异 ,认为班公湖—怒江缝合带是冈瓦纳大陆的北界。

关 键 词:新资料  地质特征差异  地球物理特征差异  南北两侧  班公湖—怒江缝合带  冈瓦纳大陆北界
文章编号:1005-2321(2004)04-0371-12
修稿时间:2004年7月2日

Bangong Lake-Nu River suture zone-the northern boundary of Gondwanaland:Evidence from geology and geophysics
PAN Gui-tang,ZHU Di-cheng,WANG Li-quan,LIAO Zhong-li,GENG Quan-ru,JIANG Xin-sheng.Bangong Lake-Nu River suture zone-the northern boundary of Gondwanaland:Evidence from geology and geophysics[J].Earth Science Frontiers,2004,11(4):371-382.
Authors:PAN Gui-tang  ZHU Di-cheng  WANG Li-quan  LIAO Zhong-li  GENG Quan-ru  JIANG Xin-sheng
Abstract:The location of the north boundary of Gondwanaland is still a hotly debating topic even today. During the fundamental geological surveys and other geological and geophysical studies of Qinghai-Tibet Plateau in recent years, a lot of geological and geophysical data have been collected, which provide a new opportunity to reevaluate the role of Bangong Lake-Nu River suture zone and the northern boundary of Gondwanaland in the geological study of Qinghai-Tibet Plateau. Based on the review of the different opinions on the northern boundary of Gondwanaland, the authors put emphasis on the differences in geological and geophysical characteristics between the both sides of Bangong Lake-Nu River suture zone from a volume of geological and geophysical data. The authors suggest that the northern boundary of Gondwanaland is located in the Bangong Lake-Nu River suture zone.
Keywords:new data  differences of geological feature  differences of geophysical features  both sides of Bangong Lake-Nu River suture zone  the northern boundary of Gondwanaland
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