西藏那曲地区孔玛盆地第四纪昆虫化石的发现及意义
서장나곡지구공마분지제사기곤충화석적발현급의의
Discovery and significance of insects fossil in the Quaternary Kongma basin, Naqu, Tibet, China
  • 万方数据
    地质通报 지질통보
    GEOLOGICAL BULLETIN OF CHINA
    2010年 2期 254-258 ,共5页

    邵兆刚%孟宪刚%朱大岗%杨朝斌%雷伟志%王津%韩建恩%余佳%孟庆伟%钱程

    소조강%맹헌강%주대강%양조빈%뢰위지%왕진%한건은%여가%맹경위%전정

    青藏高原%孔玛盆地%昆虫化石%第四纪 青藏高原%孔瑪盆地%昆蟲化石%第四紀
    청장고원%공마분지%곤충화석%제사기
    Qinghai-Tibet Plateau%Kongma basin%insects fossil%Quaternary
    首次在西藏那曲地区孔玛盆地第四系湖相沉积地层中发现了昆虫化石,对昆虫化石的特征和产出层位进行了描述,昆虫化石经初步鉴定分别属于膜翅目、双翅目和异翅目.采集了该套地层的ESR年代学样品,测试结果表明该套地层的时代为早中更新世.昆虫的分布演化与环境关系密切.这一发现为研究青藏高原第四纪以来的生物进化,湖泊、河流演化,气候变化,古地理、古环境变迁.第四系地层划分等提供了新资料.
    수차재서장나곡지구공마분지제사계호상침적지층중발현료곤충화석,대곤충화석적특정화산출층위진행료묘술,곤충화석경초보감정분별속우막시목、쌍시목화이시목.채집료해투지층적ESR년대학양품,측시결과표명해투지층적시대위조중경신세.곤충적분포연화여배경관계밀절.저일발현위연구청장고원제사기이래적생물진화,호박、하류연화,기후변화,고지리、고배경변천.제사계지층화분등제공료신자료.
    Recently insects fossil have been discovered in the Quaternary Kongma basin, Naqu, Tibet for the first time. Their basic features and the location are described. Primary identification suggests that the insects fossil belong to diptera.heteroptera and hy menoptera. The test results of ESR geochronology samples belong to Early midio-pleistocene. The discovery have provide new data for the organic evolution, the lake and river evolution, the climate change, the paleogeographic and the paleoenvironment changes, and the stratigraphic division of Quaternary.
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