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METHOD TRIAL ON 1: 50000 GEOCHEMICAL RECONNAISSANCE SURVEY IN HEYUAN FOREST REGIONS OF DAXINGANLING MOUNTAINS, INNER MONGOLIA |
CAO Jin-hu, JIA Lin-zhu, ZHANG Zhi-xiang, FAN Yong-gang |
Inner Mongolia Institute of Geological Survey, Hohhot 010020, China |
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Abstract The Heyuan region of Daxinganling Mountains in Inner Mongolia is covered by forest and marsh, where the 1:50000 geochemical reconnaissance work should be done by ways of soil survey. The method trial has defined the sampling density for soil survey as 4-12 spot/km2. The grain size for samples is in the range of 4 to 80 per inch.The eluvium is the favorable layer for sampling. The result of anomaly delineation by this method is satisfied. And certain mineralization clues have been found.
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Received: 24 February 2003
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[1] |
CHEN Hui-jun, CUI Tian-ri, QIAN Cheng, LI Lin-chuan, CHEN Jing-sheng, LI Wei, WU Xin-wei, JIANG Bin, SI Qiu-liang, QIN Tao, TANG Zhen, ZHANG Yu-jin, GUO Wei. ZIRCON U-Pb GEOCHRONOLOGY OF BASHENGHE PLUTON IN NORTHERN DAXINGANLING MOUNTAINS: Geological Implications[J]. GEOLOGY AND RESOURCES, 2019, 28(5): 405-412. |
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