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PROSPECTING FOR GOLD DEPOSIT IN PLACER GOLD ENRICHED AREAS IN MOHE, DAXINGANLING REGION |
CHEN Man, LIU Tao, XU Lun-xian, LIANG Hai-jun, SONG Bing-jian |
No.3 Gold Geological Party of CAPE, Harbin 150049, China |
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Abstract Placer gold is rich in Mohe, Daxinganling region, Heilongjiang Province. It is an effective approach to search gold deposit using the information of gold placer, with the study on tectonic features, distribution and concentration of gold placer and regional denudation depth. Analysis on the tectonics and degree of denudation is the key step to locate the targets in placer gold enriched areas. The coefficient of dissolution can indicate the source of placer gold. Isotopes of Pb can reveal the parent rock for mineralization. The correlation study of ore, magmatic rocks, strata and Pb isotopes of basement has become an internationally recognized way to distinguish the origin of Pb isotopes. Using Pb isotopes to trace parent rocks has been successful in the assessment of ores. The characteristic values of Pb isotopes of the region resemble those of the source region. Thus the element can be employed as an indicator for gold deposit prospecting in placer gold enriched area.
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Received: 29 November 2004
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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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