Geological Characteristics and Ore-controlling Factors of Liyuan Gold Deposit， Shanxi Province

Peijiao JU

doi:10.11872/j.issn.1005-2518.2018.06.706

Gold Science and Technology >

2018 , Vol. 26 >Issue 6: 706 - 717

DOI: https://doi.org/10.11872/j.issn.1005-2518.2018.06.706

Geological Characteristics and Ore-controlling Factors of Liyuan Gold Deposit， Shanxi Province

Peijiao JU ^,¹^,²

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1. School of Earth Sciences，East China University of Technology，Nanchang 330013，Jiangxi
2. Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment MonitoringCentral South University，Ministry of Education，Changsha 410083，Hunan

Received date: 2018-03-16

Revised date: 2018-09-04

Online published: 2019-01-24

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Highlights

Liyuan gold deposit is located in the tectonic-magmaic-polymetallic metallogenic belt of Taihang Mountain.The outcropping strata are mainly banded gneiss and amphibolite of Neo-Archean Fuping Group. The orebody is generally hand-shaped and mainly occurs in the NNE-trending structural zone.The metal minerals in ore are mainly pyrite，followed by galena，sphalerite and chalcopyrite.The non-metallic minerals are mainly quartz， potassium feldspar， plagioclase and sericite.The precious metal is natural gold （silver-gold ore）. The wall-rock alteration closely related to gold mineralization are mainly silicification，sericitization and pyrite mineralization.The formation of the deposit can be divided into two episodes，including hydrothermal episode and epigenetic episode.The hydrothermal episode is the main mineralization period，which can be divided into four stages，namely，quartz silification stage，quartz-pyrite stage，quartz-sulfide stage and quartz-carbonate stage.Based on field geological survey and indoor analysis，the ore-bearing wall-rocks and strutural ore-controlling raw were summarized，the prospecting mark was specified，and the metallogenic process was preliminarily analyzed. It is considered that Liyuan gold deposit belongs to magmatic hydrothermal altered rock type gold deposit controlled by fracture zone.The results provide certain scientific basis for gold prospecting in this area.

Cite this article

Peijiao JU . Geological Characteristics and Ore-controlling Factors of Liyuan Gold Deposit， Shanxi Province[J]. Gold Science and Technology, 2018 , 26(6) : 706 -717 . DOI: 10.11872/j.issn.1005-2518.2018.06.706

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