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    自然科學版 英文版

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    中南大學學報(英文版)

    Journal of Central South University

    Vol. 8    No. 3    September 2001

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    Simulation of rock mass balance of two typical
    altered rocks in Wulong gold deposit of Liaoning, China
    WEI Jun-hao1,2,LIUCong-qang2,LI Zhi-de1,ZHAOYong-xin1

    1.Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China;
    2.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China

    Abstract:Wu long gold deposit hosted in granite and fine-grained diorite dikes, is a typical gold deposit o quartz vein type. Granite and fine-grained diorite dikes in the ore deposit were altered by metallogenic fluid.Based on the altered zoning, the samples of petrochemistry were collected and major and trace elements were analyzed systematically. Calculation of rock mass balance shows that the major elements (SiO2, K2O, P2O5,Fe2O3) in the two typical altered rocks are clearly added into the altered system, and that trace elements (V,Y, Zr, Ni, Co, Sr) assume an increasing and decreasing tendencies in the altered granite and altered dioritdike, respectively. The fluid/rock ratios are 30.17-181.00 and 115.44-692.67 respectively for altered granite and altered diorite dike, they have profoundly effects on metal o genesis.

     

    Key words: altered rock; rock mass balance; Wu long gold deposit

    中南大學學報(自然科學版)
      ISSN 1672-7207
    CN 43-1426/N
    ZDXZAC
    中南大學學報(英文版)
      ISSN 2095-2899
    CN 43-1516/TB
    JCSTFT
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