二道河子银铅锌矿床地质特征及找矿方向研究

doi:10.11872/j.issn.1005-2518.2016.03.058

Abstract

Abstract:

Erdaohezi deposit is found in NW side of deerbugan deep fault zone Ag-Pb-Zn deposit，with large deposits metallogenic potential.Regional stratigraphy in NW-SE under the action of horizontal pressure along the Moerdaoga and the Shanghulin by many after deformation，bent，turned，development of Jurassic in the Middle the tamulangou formation and the upper Jurassic manketouebo formation，rock composed primarily of volcanic-clastic rocks，they are unconformable contact.Main orebodies are veins hosted in Jurassic Middle tamulangou formation in the fracture zone，NW，NNW to extensional tectonic control；the main metallic minerals，such as galena，sphalerite and pyrite. Ore-forming processes can be considered： volcanic activity later， acidic lava carrying lead，zinc，silver and other useful elements to hydrothermal along the early formation of NNE，NW，NWW on tensile fracture zone of the invasion，in NW derived structure and secondary structure favorable for enrichment.Through the study of the geologic al characteristics in detail，we think that the deposit is the structure of the volcanic rocks of ore rock-hydrothermal reformation type liquid medium to low temperature type Ag-Pb-Zn deposit，and the main prospecting directions.

Key words: geological characteristics, sphalerite, galena, Erdaohezi deposit, exploration prediction, Inner Mongo

CLC Number:

P618.4

CHENG Laishun，LI Hongzhi，YIN Li，QIN Weijun，TIAN Haijun. Research on Geological Characteristics and Prospecting Direction of Erdaohezi Ag-Pb-Zn Deposit in Inner Mongolia[J].Gold Science and Technology, 2016, 24(3): 58-63.

References

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Research on Geological Characteristics and Prospecting Direction of Erdaohezi Ag-Pb-Zn Deposit in Inner Mongolia

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