Uranium Series Chronology of the Late Pleistocene Basalt from the Longgang Volcanoes, Jilin Province

The Longgang volcanic cluster located in Jilin Province belongs to one of the active volcanic regions in northeast China, and has been active in modem times. In view of the multiple eruptions in history, it is very important to determine the age of each eruption for evaluating the volcanic hazards. Two alkaline basalt samples taken from Dayizishan and Diaoshuihu were analyzed with the U-series component dating after magnetic separation. The ages of the two samples are (71±9) ka and (106±13) ka B.P., respectively. These data indicate that there existed intensive eruption activities during the late Pleistocene.

作 者： Yu Fusheng HAN Song MA Zhibang XIE Ruijie   作者單位： Yu Fusheng(Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039;Key Laboratory for Hydrocarbon Accumulation Mechanism, Ministry of Education, University of Petroleum, Beijing 102249)

HAN Song(Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039)

MA Zhibang(Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029)

XIE Ruijie(Key Laboratory for Hydrocarbon Accumulation Mechanism, Ministry of Education, University of Petroleum, Beijing 102249) 

刊 名： 地質(zhì)學(xué)報（英文版）  SCI 英文刊名： ACTA GEOLOGICA SINICA  年，卷(期)： 2005 79(2)  分類號：   關(guān)鍵詞： U-series component chronology   late Pleistocene   volcanic eruption   Longgang   Jilin Province  

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