北京平原南口-孙河断裂南段第四纪活动性的磁性地层学研究
북경평원남구-손하단렬남단제사기활동성적자성지층학연구
MAGNETOSTRATIGRAPHY STUDY ON THE SOUTH SEGMENT OF NANKOU-SUNHE FAULT AT BEIJING PLAIN AND ITS IMPLICATIONS FOR THE FAULT ACTIVITY DURING QUATERNARY
  • 万方数据
    第四纪研究 제사기연구

    2014年 2期 381-390 ,共10页

    张磊%白凌燕%蔡向民%王继明%刘予%郭高轩%杨天水%吴怀春%何静

    장뢰%백릉연%채향민%왕계명%류여%곽고헌%양천수%오부춘%하정

    磁性地层%南口-孙河断裂%活动速率%第四纪 磁性地層%南口-孫河斷裂%活動速率%第四紀
    자성지층%남구-손하단렬%활동속솔%제사기
    magnetic stratigraphy%Nankou-Sunhe fault%activity rate%Quaternary
    通过对北京平原南口-孙河断裂南段上下两盘钻孔剖面开展磁性地层学研究,建立了目标钻孔的磁性地层序列.结合沉积物岩石组合特征以及浅部测年数据进行分析,建立了本区第四纪地层格架.断裂两盘地层对比结果表明,南口-孙河断裂南段早更新世、中更新世、晚更新世和全新世垂直落差分别为116.5m,30.0m,4.1m和1.2m,各时代垂直活动速率分别为0.065mm/a,0.046mm/a,0.03mm/a和0.1lmm/a.南口-孙河断裂南段活动特征总体表现为早更新世-晚更新世活动较弱,全新世活动强烈的特点.
    통과대북경평원남구-손하단렬남단상하량반찬공부면개전자성지층학연구,건립료목표찬공적자성지층서렬.결합침적물암석조합특정이급천부측년수거진행분석,건립료본구제사기지층격가.단렬량반지층대비결과표명,남구-손하단렬남단조경신세、중경신세、만경신세화전신세수직락차분별위116.5m,30.0m,4.1m화1.2m,각시대수직활동속솔분별위0.065mm/a,0.046mm/a,0.03mm/a화0.1lmm/a.남구-손하단렬남단활동특정총체표현위조경신세-만경신세활동교약,전신세활동강렬적특점.
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