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Research on Metallogenic Condition and Regularity of Main Nonmetallic Mine in Chifeng Area

Author: LiuJin
Tutor: WangYuLin
School: Liaoning Technical University
Course: Mineral prospecting and exploration
Keywords: nonmetallic deposit metallogenic series metallogenic regularity genetic models Chifeng area
CLC: P619.2
Type: Master's thesis
Year: 2011
Downloads: 71
Quote: 2
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Abstract


Based on field investigation and existed geological data researching, the paper expatiates on the background of nonmetallic mine’s formation in Chifeng area, analysis the characteristics of nonmetallic mines’distribution, and selective analysis the metallogeny feature of perlite,zeolite,bentonite, pyrophyllite,kaolinite and fluorite deposits. The research shows that the temporal and spatial distribution of perlite-zeolite-bentonite metallogenic series and the pyrophyllite-kaolinite metallogenic series are mainly controlled by NNE regional fault and mesozoic volcanic formation.Furthermore ,the paper expounds the mineralization’s control effect on the deposits’genetic type and syntagmatic relation,the control effect of metallogenic original rocks on deposit characteristics and the influence of metallogenic microenvironment on deposits’transformation. In conclusion, the genetic models of perlite-zeolite-bentonite and pyrophyllite-kaolinite metallogenic series in Chifeng area are established. According to the research of geologic characteristics of fluorite deposit, the tape of fluorite deposit is middle lower temperature hydrothermal filling metasomatism origin in Chifeng area, and the granitoid of stage of yanshan is main ore-host rock. Spatial distribution is mainly controlled by NE-NNE fault, and the compression and scissor fault is in favor of mineralize. The metallogenic epoch of fluorite deposit can be divided into middle lower temperature hydrothermal and supergene, and the former can be further devided into early, middle, later metallogenitic stages. In the vertical profile, from upper to lower mineralization zoning is divided into silicified tectum, quartz vein zone, fluorite vein zone and pinch zone. Finaly, the genetic models of middle lower temperature hydrothermal filling metasomatism type fluorite deposit in Chifeng area is established. Finally,the paper discusses the prospecting potential of main nonmetallic mine from the ore-bearing formation point of view.

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Nonmetal deposit ( Zonglun,)
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