IGNEOUS SERIES AND EPITHERMAL PORPHYRY Cu-Au-Ag MINERALIZATION SYSTEM IN THE ZIJINGSHAN ORE FIELD, FUJIAN PROVINCE

HUANG Ren-sheng

Volume 14 Issue 1

Mar. 2008

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HUANG Ren-sheng, 2008. IGNEOUS SERIES AND EPITHERMAL PORPHYRY Cu-Au-Ag MINERALIZATION SYSTEM IN THE ZIJINGSHAN ORE FIELD, FUJIAN PROVINCE. Journal of Geomechanics, 14 (1): 74-86.

Citation:

HUANG Ren-sheng, 2008. IGNEOUS SERIES AND EPITHERMAL PORPHYRY Cu-Au-Ag MINERALIZATION SYSTEM IN THE ZIJINGSHAN ORE FIELD, FUJIAN PROVINCE. Journal of Geomechanics, 14 (1): 74-86.

Citation:

HUANG Ren-sheng, 2008. IGNEOUS SERIES AND EPITHERMAL PORPHYRY Cu-Au-Ag MINERALIZATION SYSTEM IN THE ZIJINGSHAN ORE FIELD, FUJIAN PROVINCE. Journal of Geomechanics, 14 (1): 74-86.

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IGNEOUS SERIES AND EPITHERMAL PORPHYRY Cu-Au-Ag MINERALIZATION SYSTEM IN THE ZIJINGSHAN ORE FIELD, FUJIAN PROVINCE

HUANG Ren-sheng

Western Fujian Geological Party, Sanming 365001 Fujian, China

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Received: 2007-02-03
Published: 2008-03-01

Abstract

Abstract

The rocks in the Zijingshang ore field are from the surface to depth as follows:Lower Cretaceous intermediate-acid volcanic rocks, subvolcanic dacite-porphyry, hypabyssal granodioriteporphyry and middle-and deep-level porphyritic granodiorite, forming an intermediate-acid volcanicintrusive sequence. Strong alteration-mineralization occur around the Zijinshan volcanic edifice, forming high-sulfur epithermal Cu-Au deposits, low-sulfur epithermal Ag-Au deposits and porphyry Cu (Mo) deposits. In the ore field, various types of Cu-Au-Ag deposit have close temporal-spatial and material source relations. They evolved continuously in terms of time and space and are products of consanguineous ore-bearing intermediate-acid magmas in the same background of mineralization but in different stages of evolution. The occurrence of different types of ore deposit in diverse geological positions depended on the physico-chemical properties and temporal-spatial migration of ore fluids, thus forming an epithermal porphyry Cu-Au-Ag mineralization system related to intermediate-acid subvolcanic rocks and porphyry.
- epithermal,
- porphyritic type,
- Cu-Au-Ag deposit,
- mineralization system,
- Zijingshan ore field

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References(18)

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