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2011•Geology and ExplorationRequires access

Characteristics and Evolution of the Ore-controlling Faults in the Dengge zhuang Gold Deposit,Eastern Shandong Province

Dawei Jiang

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Abstract

The Denggezhuang gold deposit lies in the Muping-Rushan gold mineralization belt,eastern Shandong Province.The exposed strata in the ore district are dominated by Archean Jiaodong Group and Proterozoic Jingshan Group,where well-developed faults control most of the ore veins striking in NE and NNE directions.The secondary faults which control ores formed in the same time as the Jinniushan fault.Analysis of the relationship between fault structure and gold mineralization suggests that this deposit can be divided into structural systems of pre-mineralization,co-mineralization and post-mineralization.The principal compressive stress of the co-mineralization time is in NNW-SSE direction.And the stress field of this deposit might have experienced an evolution from nearly SN compression to NNW-SSE compression and to NWW-SEE compression.

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What this paper is about

The Denggezhuang gold deposit lies in the Muping-Rushan gold mineralization belt,eastern Shandong Province.The exposed strata in the ore district are dominated by Archean Jiaodong Group and Proterozoic Jingshan Group,where well-developed faults control most of the ore veins striking in NE and NNE directions.The secondary faults which control ores formed in the same time as the Jinniushan fault.Analysis of the relationship between fault structure and gold mineralization suggests that this deposit can be divided into structural systems of pre-mineralization,co-mineralization and post-mineralization.The principal compressive stress of the co-mineralization time is in NNW-SSE direction.And the stress field of this deposit might have experienced an evolution from nearly SN compression to NNW-SSE compression and to NWW-SEE compression.

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Available abstract

The Denggezhuang gold deposit lies in the Muping-Rushan gold mineralization belt,eastern Shandong Province.The exposed strata in the ore district are dominated by Archean Jiaodong Group and Proterozoic Jingshan Group,where well-developed faults control most of the ore veins striking in NE and NNE directions.The secondary faults which control ores formed in the same time as the Jinniushan fault.Analysis of the relationship between fault structure and gold mineralization suggests that this deposit can be divided into structural systems of pre-mineralization,co-mineralization and post-mineralization.The principal compressive stress of the co-mineralization time is in NNW-SSE direction.And the stress field of this deposit might have experienced an evolution from nearly SN compression to NNW-SSE compression and to NWW-SEE compression.

Key concepts: Mineralization (soil science), Geology, Proterozoic, Geochemistry, Archean, Gold ore, Compression (physics), Mining engineering

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Characteristics and Evolution of the Ore-controlling Faults in the Dengge zhuang Gold Deposit,Eastern Shandong Province — Research Paper | ScholarLens