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ORE CHARACTERISTICS AND OCCURRENCE OF GOLD MINERALS IN THE CHAOSHAN GOLD DEPOSIT,TONGLING AREA

Liu Liang-gen

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Abstract

Studies of both field and ore microscopy indicate that the gold-bearing sulfide ore is major gold ore type in the Chaoshan gold deposit.Bismuth mineral,one of major gold-carrying minerals,has a typomorphic significant and an important clue for prospecting of Chaoshan deposit.Ore textures mainly include crystalline-granular and filling-metasomatic textures with various shapes.Ore structures are dominantly massive,disseminated and veinlet.Fine-grain native gold and electrum occur in the major gold-carrying minerals like quartz,native bismuth,bismuthinite,pyrrhotite,pyrite,chalcopyrite and arsenopyrite at the state of interlocking,inter-granular,crevice and enclosure.Characteristics of gold ore bodies,wallrock alteration as well as fluid inclusions indicate that Chaoshan gold deposit is a typical skarn gold-only deposit.Phase separation of ore-forming fluids played an important role in the metallogenetic process.

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Studies of both field and ore microscopy indicate that the gold-bearing sulfide ore is major gold ore type in the Chaoshan gold deposit.Bismuth mineral,one of major gold-carrying minerals,has a typomorphic significant and an important clue for prospecting of Chaoshan deposit.Ore textures mainly include crystalline-granular and filling-metasomatic textures with various shapes.Ore structures are dominantly massive,disseminated and veinlet.Fine-grain native gold and electrum occur in the major gold-carrying minerals like quartz,native bismuth,bismuthinite,pyrrhotite,pyrite,chalcopyrite and arsenopyrite at the state of interlocking,inter-granular,crevice and enclosure.Characteristics of gold ore bodies,wallrock alteration as well as fluid inclusions indicate that Chaoshan gold deposit is a typical skarn gold-only deposit.Phase separation of ore-forming fluids played an important role in the metallogenetic process.

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Available abstract

Studies of both field and ore microscopy indicate that the gold-bearing sulfide ore is major gold ore type in the Chaoshan gold deposit.Bismuth mineral,one of major gold-carrying minerals,has a typomorphic significant and an important clue for prospecting of Chaoshan deposit.Ore textures mainly include crystalline-granular and filling-metasomatic textures with various shapes.Ore structures are dominantly massive,disseminated and veinlet.Fine-grain native gold and electrum occur in the major gold-carrying minerals like quartz,native bismuth,bismuthinite,pyrrhotite,pyrite,chalcopyrite and arsenopyrite at the state of interlocking,inter-granular,crevice and enclosure.Characteristics of gold ore bodies,wallrock alteration as well as fluid inclusions indicate that Chaoshan gold deposit is a typical skarn gold-only deposit.Phase separation of ore-forming fluids played an important role in the metallogenetic process.

Key concepts: Geology, Arsenopyrite, Pyrite, Geochemistry, Pyrrhotite, Mineral, Quartz, Prospecting

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ORE CHARACTERISTICS AND OCCURRENCE OF GOLD MINERALS IN THE CHAOSHAN GOLD DEPOSIT,TONGLING AREA — Research Paper | ScholarLens