STAGES ABOUT THE ACTIVITY OF CENOZONIC VOLCANOES IN HEILONGJIANG PROVINCE
CHEN Hong-zhou,YANG Jin-shan,Cheng Yu,ZHANG Li-chen,OUYANG Zhao-guo,WANG Li-mei,LI Tian-xiang(Earthquake Administration of Heilongjiang Province,Heilongjiang Harbin 150090,China)
On the basis of the isotope age,superincumbent relation of the stratum,rate of decay of volcano rock,geomophic feature and so on,Cenozonic volcanoes in Heilongjiang province were divided into 8 stages.The volcano erupted many times and the scale was larger in miocene epoch and early-middle Pleistocene epoch.Cenozonic is a stage that the volcano actived violent.It is pointed out that the Laoheishan and Huoshaoshan in Wudalianchi area and Holocene volcanoes in Jingbohu erea are active volcano.
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.