| 南京栖霞山铅锌银多金属矿床成矿流体中的分子化石 |
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| 引用本文： | 谢树成 周修高. 南京栖霞山铅锌银多金属矿床成矿流体中的分子化石[J]. 古生物学报, 1998, 37(3): 326-332 |
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| 作者姓名： | 谢树成 周修高 |
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| 作者单位： | 中国地质大学地球科学学院(谢树成)，中国科学院兰州冰川冻土研究所(周修高) |
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| 摘 要： | 热液型金属矿床生物成矿作用研究的关键在于检测成矿流体中的有机质，尤其是其中的分子化石。以南京栖霞山多金属矿床为例，重点研究了成矿流体遗留下来的最直接的样品－有机包裹体中的分子化石。
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| 关 键 词： | 生物成矿 分子化石 成矿流体 多金属矿床 南京 |
MOLECULAR FOSSILS FROM THE FLUID OF Pb Zn Ag POLYMETALLIC DEPOSIT AT QIXIASHAN, NANJING |
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| Xie Shu cheng amd Zhou Xiu gao School of Geosciences,China University of Geosciences,Wuhan Lanzhou Institute of Glaciology and Geocryology,Chinese Academy of Siences,Lanzhou. MOLECULAR FOSSILS FROM THE FLUID OF Pb Zn Ag POLYMETALLIC DEPOSIT AT QIXIASHAN, NANJING[J]. Acta Palaeontologica Sinica, 1998, 37(3): 326-332 |
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| Authors: | Xie Shu cheng amd Zhou Xiu gao School of Geosciences China University of Geosciences Wuhan Lanzhou Institute of Glaciology Geocryology Chinese Academy of Siences Lanzhou |
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| Affiliation: | Xie Shu cheng 1)2) amd Zhou Xiu gao 1) 1) School of Geosciences,China University of Geosciences,Wuhan 430074 2) Lanzhou Institute of Glaciology and Geocryology,Chinese Academy of Siences,Lanzhou 730000 |
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| Abstract: | Identification of organic matter in ore forming fluid is the keypoint in the studdying of biometallogenesis on hydrothermal ore deposits. This paper focuses on the molecular fossils in hydrocarbon inclusions from the Qixiashan polymetallic deposit in Nanjing. The optical and spectral characteristics of the individual hydrocarbon inclusions are systematically examined through such non destructive methods as Fourier transform infrared micro spectroscopy and ultra violet fluorescent microscope photometer. Series of biomarkers in metallogenic fluid are identified through gas chromatography mass spectrometry(GC MS). These biomarkers indicate that organic matter in ore froming fluid is derived from algae and bacteria. The investigation on the molecular fossils from fluid further strengthens biometallogenesis in the deposit which is previously discussed according to the mineralized organisms. |
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| Keywords: | Molecular fossil Ore forming fluid Ore deposit |
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