文档介绍：第19卷第5期 2012年9月 EthScienceFron 地 tie 学前(C 缘 hin (中U 国 niv 地质 sity 大OG ‘北京iences(Beijing 学); )^ t' e,?Umverslty、t { 五台山新太古代绿岩带中高镁安山岩(HMA)的化学特征张永忠一,刘翠s一,邓晋福s,李德胜,周继华,赵凤清,赵祯祥,孙占亮 l_北京师范大学资源学院,北京100875 ,河北廊坊065007 (fig京),北京100083 ,山西太原030001 ,天津300170 ZhangYongzhong一,LiuCui。一,DengJinfu。,LiDesheng,ZhouJihua,ZhaoFengqing, ,BeijingNormalUniversity,Beijing100875,China ,Langfang065007,China (Beijing),Beijing100083,China ,Taiyuan030001,China ,Tianj锄300170,China ZhangYongzhong,LiuCui,DengJinfu, ,2012,19(5):187-194 Abstract:Inthelightofanewclassificationofhighmagnesianandesite(HMA)thispaperdealswiththe chemica1characteristicsofHMAsdevelopedintheNeoarcheanWutaiGreenstoneBelt,andtheHMAshave thesimilarchemica1characteristicswiththeexperimentalHMAmeltsandthetypicalHMAsinnature:suchas GreenstoneBeltsuggeststheGreenstoneBelttobeformedinthesettingofoceanicsubduction,andthus,the platetectonicthe