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CHRONOSTRATIGRAPHIC CLASSIFICATION OF MULING FORMATION, JIXI GROUP IN EASTERN HEILONGJIANG PROVINCE |
YANG Xiao-ping, MA Yong-qiang, HAO Yong-hong, WANG Hong-jie, LI Yang-chun |
Qiqihar Branch, Heilongjiang Institute of Regional Geological Survey, Qiqihar 161005, China |
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Abstract The latest fruits of paleontology, magnetostratigraphy and chronology are adopted to make a fine classification on the Muling formation of Jixi group, by means of high-resolution sequence calculation and global sea level curve comparison. The forming time of Muling formation is determined in early Barremian-early Albian of the Early Cretaceous, with absolute time of 116-107 Ma. The main coal-bearing member in lower Muli formation was formed between 115 Ma and 111 Ma. The result provides a foundation of exact time for the high precision stratigraphic subdivision and coal-forming period in Eastern Heilongjiang Province.
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Received: 08 September 2004
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[1] |
DU Bing-ying, LIU Yu-wei, ZHAO Ming-sheng, ZHANG Tie-an, ZHAO Yu-sheng, FENG Zhi-qiang, ZHEN Miao, LIU Yu-qi, LUO Jia-xin. DETERMINATION OF THE EARLY CRETACEOUS VOLCANIC STRATA IN EASTERN JAGDAQI, DAXINGANLING MOUNTAINS: Geological Implication[J]. GEOLOGY AND RESOURCES, 2018, 27(4): 317-323. |
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