酶提取法在万古金矿区试点研究

doi:10.11720/wtyht.2021.1090

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Abstract

In order to discuss the deep-penetrating geochemical ore prospecting method suitable for the humid environment in southern China, this paper adjusted some experimental parameters based on the enzyme leach method to form a set of indoor and outdoor operating procedures for the analysis of amorphous manganese adsorption. We chose to verify the effectiveness of the analytical method for the adsorption of amorphous manganese at the No. 505 geological prospecting line in the Wangu Gold Mine, and compared the results with the two methods of traditional soil full-scale testing and rock measurement methods. The comparison results show that the analysis method of amorphous manganese adsorption can effectively find geochemical anomalies above the concealed ore. The leaching rate of 100 mesh samples showed the characteristics of Cl>Br>I>Au>Ag>Sb>As.The anomalous sensitivity of Au and Sb detected by the amorphous manganese adsorption analytical method is higher than that of the soil total measurement, and it agrees well with the geochemical anomaly of rock measurement.

Key words： amorphous manganese adsorption analysis enzyme leach hidden mine Wangu gold mine

Received: 25 February 2020 Published: 27 July 2021

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	Li-Fen ZHU
	Jian-Lan LUO
	Jiang LU
	Huan-Huan WANG
	Han-Jun LIU

Cite this article:

Li-Fen ZHU,Jian-Lan LUO,Jiang LU, et al. Pilot study on enzyme extraction method in Wangu gold mining area[J]. Geophysical and Geochemical Exploration, 2021, 45(3): 669-678.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2021.1090 OR https://www.wutanyuhuatan.com/EN/Y2021/V45/I3/669

1:50 000 geochemical anomaly analysis map of Wangu gold mining area

Soil sample collection point distribution map

Characteristic diagram of element content in extraction solution of amorphous manganese adsorption

Correlation analysis of element content in -100 mesh sample extraction solution of amorphous manganese adsorption analysis method

Leaching rate characteristics statistics

Fig.3)
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Comparison chart of Au content in different methods(the legend is the same as Fig.3)

Fig.3)
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Comparison chart of As content in different methods(the legend is the same as Fig.3)

Fig.3)
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Comparison chart of Sb content in different methods(the legend is the same as Fig.3)

Cluster analysis of line 505 with four different methods

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