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Asian Gold reserves DB
Cikidang Gold Mine (Indonesia)
      paishanlou gold mine (china)
      gaolong gold mine (china)
      ..................
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  Page 271
 
اولينقبليبعديآخرين
   The ore minerals are represented by electrum, argentite, aguilarite and pyrite. Electrum shows the compositional ranges of Ag (50-65 atom %). The gangue minerals are dominated by quartz with variable amounts of calcite, sericite, adularia, clay minerals, manganese oxide and limonite. The vein textures are so variable as banded, colloform, comb, brecciated and massive. Host rocks, composed of Miocene lapilli tuff and breccia, suffered from pervasive hydrothermal alterations. Wall rocks adjacent to the vein are characterized by argillic and propylitic alteration.

View Of Cikidang area
    The fluid inclusion study of the Cikidang vein shows homogenization temperatures ranging from 170 to 260?C. Salinities are low, generally below 3 wt% NaCl equivalent. Oxygen isotope results suggest meteoric water in origin for ore fluids responsible for the Cikidang deposit.
 
 
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