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| 牡丹江地区黑龙江杂岩的变质变形特征 | |
| 引用本文： | 王跃,张兴洲,宋海峰,张春艳,熊小松.牡丹江地区黑龙江杂岩的变质变形特征[J].吉林大学学报(地球科学版),2009,39(6). |
| 作者姓名： | 王跃 张兴洲 宋海峰 张春艳 熊小松 |
| 作者单位： | 1. 中国地质科学院,地质研究所,北京,100037;吉林大学,地球科学学院,长春,130061 2. 吉林大学,地球科学学院,长春,130061 3. 长春工程学院,勘查与测绘工程学院,长春,130021 4. 中国地质科学院,地质研究所,北京,100037 |
| 基金项目： | 国家自然科学基金重点项目 |
| 摘 要： | 黑龙江牡丹江地区出露一套具有洋壳性质的构造混杂岩,根据特征矿物组合及岩相学特点,将这套杂岩自北向南划分为3个变质变形相带:蓝片岩带、黑硬绿泥石带和黑云母带,带与带之间被强烈的韧性变形带所分隔,表明彼此间为构造接触,而非连续的变质相带,说明了牡丹江地区的黑龙江杂岩不是正常的变质地层单元.3个相带的出露与自北向南的逆冲推覆事件有关.根据黑龙江杂岩变质变形特征和其年代学资料,将本区构造演化划分为3个阶段: (1)305～296 Ma之前的陆间洋洋壳俯冲及闭合阶段;(2)170.26～154 Ma佳木斯和兴凯地块之间的陆陆碰撞和后期作为整体统一受西太平洋构造域影响的阶段;(3)154 Ma之后敦密断裂左行走滑并对黑龙江杂岩进行改造的阶段. |
| 关 键 词： | 蓝片岩 变质变形相带 黑龙江杂岩 佳木斯地块 兴凯地块 地球年代学 |
The Metamorphic and Deformed Characteristics of the Heilongjiang Melange in Mudanjiang Area |
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| WANG Yue,ZHANG Xing-zhou,SONG Hai-feng,ZHANG Chun-yan,XIONG Xiao-song.The Metamorphic and Deformed Characteristics of the Heilongjiang Melange in Mudanjiang Area[J].Journal of Jilin Unviersity:Earth Science Edition,2009,39(6). | |
| Authors: | WANG Yue ZHANG Xing-zhou SONG Hai-feng ZHANG Chun-yan XIONG Xiao-song |
| Institution: | WANG Yue1,2,ZHANG Xing-zhou2,SONG Hai-feng3,ZHANG Chun-yan2,XIONG Xiao-song11.Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037,China2.College of Earth Sciences,Jilin University,Changchun 130061,China3.College of Prospecting & Survey,Changchun Institute of Technology,Changchun 130021,China |
| Abstract: | There is a set of structural melange of oceanic features in Mudanjiang area,Heilongjiang Province.Based on its mineral assemblage and petrographical characters,the melange is divided into three metamorphic and deformed belts,namely,the blueschist,stilpnomelane and biotite belts in turn.The existence of the two intense ductile belts separating the three belts shows they are not successive metamorphic belts but structural belts.Hence,the Heilongjiang melange of the Mudanjiang area does not belong to the norma... |
| Keywords: | blueschist metamorphic and deformed belt Heilongjiang melange Jiamusi terrain Xingkai terrain geochronology |
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