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内蒙古达里诺尔火山群火山地貌特征及火山岩岩石学特点-岩石学报
10000569/2017/033(01)013747 ActaPetrologicaSinica 岩石学报
内蒙古达里诺尔火山群火山地貌特征及火山岩
岩石学特点
1,2 3 2 2 2 2
李霓 龚丽文 赵勇伟 樊祺诚 王佳龙 张传杰
1,2 3 2 2 2 2
LINi ,GONGLiWen,ZHAOYongWei,FANQiCheng,WANGJiaLongandZHANGChuanJie
1中国地震局地质研究所地震动力学国家重点实验室,北京 100029
2中国地震局活动构造与火山实验室,北京 100029
3重庆市地震局,重庆 401147
1StateKeyLaboratoryofEarthquakeDynamics,InstituteofGeology,CEA,Beijing100029,China
2KeyLaboratoryofActiveTectonicsandVolcano,CEA,Beijing100029,China
3ChongqingEarthquakeAdministration,Chongqing401147,China
20160122收稿,20160728改回
LiN,GongLW,ZhaoYW,FanQC,WangJLandZhangCJ2017CharacteristicsofvolcanicgeomorphologyinDalinor
volcanicswarmandpetrologicfeaturesofthevolcanicrocks,InnerMongoliaActaPetrologicaSinica,33(1):137-147
Abstract ThevolcanicactivitiesoccurredpervasivelyinnortheasternChinainCenozoiceraFourQuaternaryvolcanicswarms,
NuominKuileRivervolcanicswarm,HalahaChaoerRivervolcanicswarm,AbagaDalinorvolcanicswarmandWulanhadavolcanic
swarm,locatefromnorthtosouthalongthewesternpartofDaxing’anlingTaihangshanGravityLineamentinInnerMongolia
AutonomousRegion,extendingmorethan1000kmThereweretotallyabout400volcanoesandtheareaofvolcanicrockswasmore
2
than36000kmThenumerousvolcaniceruptionssuggestedtheeverstrongestintraplatevolcanisminChinaTheDalinorvolcanic
swarm,composedofahundredvolcanoesofvariedsizesandshapes,islocatedontheDalinorlavaplateaubetweenXilinhotand
ChifenginthesoutheasternregionofInnerMongolia,whereasAbagabasaltandBeilikebasaltarefoundnorthwestofthisvolcanic
swarmInthetectonicsetting,theDalinorvolcanicswarmliesatthejunctionoftheXing’anandSongliaoblocks,iethecomposite
sectionoftheEWtrendingTianshanYinshandeepfaults,theNEtrendingDaxing’anlingTaihangshanfault,andtheNWtrending
AbagaChifengfaultOverall,theDalinorvolcanicswarmexhibitsastepshapedplateau,withthecentralportionatahigh
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