Journal of Jilin University(Earth Science Edition) ›› 2017, Vol. 47 ›› Issue (1): 95-105.doi: 10.13278/j.cnki.jjuese.201701109

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Research on Geogas Particles from Bingba Copper Deposit in Guanling County of Guizhou Province

Cao Jianjin1,2, Li Yingkui1, Liu Chang1, Yuan Xueling1   

  1. 1. School of Earth Science and Geological Engineering, Sun Yat-sen University, Guangzhou 510275, China;
    2. Guangdong key Laboratory of Geological Process and Mineral Resources Exploration, Guangzhou 510275, China
  • Received:2015-12-22 Online:2017-01-26 Published:2017-01-26
  • Supported by:
    Supported bythe National High Technology Research and Development Program of China (863 Program) (2008AA06Z101)

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Abstract: To find out the relationship between the characteristic of geogas particles and concealed deposit, geogas particles have been sampled from Bingba copper deposit in Guanling County of Guizhou Province, and analyzed by transmission electron microscope. The results revealed that geogas particles are in the form of particle aggregations and individual particles, of which the former is dominant. The shapes of individual particles are mainly spherical, platy, cuboidal, ellipsoidal, strip shaped, and irregular, with a size generally ranging from several nanometers to 300 nm. The shapes of particle aggregations are mainly chain-shaped, rounded, and irregular. The elemental composition of geogas particles shows a good correlation with concealed metal ore bodies. High concentrations of Fe, Mn, Pb, and Zn are found in many geogas particles, which have certain significance for future mineral exploration. Moreover, by comparing the characteristics of geogas particles from different concealed metal mines the authors find that the types, elemental composition and morphology of geogas particles are different in different types of deposits, but with great similarities over the same type of deposit. There is good correlation between characteristics of geogas particles in deposit and deep concealed deposit. There is a great similarity in elemental composition and sizes of particles under similar geological environment, though there still exist some differences in the combination of particles and shape. Therefore, by analyzing the characteristics of geogas particles from concealed metal deposits, models of geogas particles characteristics from different deposit types can be established which is of great value for concealed deposit exploration.

Key words: geogas particles, concealed deposit, Bingba copper deposit, transmission electron microscope

CLC Number: 

  • P618.41
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