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Evidence for syngenetic gold mineralization overprinted by skarn at the Xinqiao Cu-S-Fe-Au deposit, Tongling Mineral District, China

Citation

Zhang, L and Cooke, DR and Zhou, T and Fan, Y, Evidence for syngenetic gold mineralization overprinted by skarn at the Xinqiao Cu-S-Fe-Au deposit, Tongling Mineral District, China, Proceedings of the Society for Geology Applied to Mineral Deposits Conference 2015: Mineral Resources in a Sustainable World, 24-27 August 2015, Nancy, France, pp. 557-560. ISBN 978-2-85555-065-7 (2015) [Refereed Conference Paper]


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Abstract

The Xinqiao Cu-S-Fe-Au deposit is located in the northeast of the Tongling mineral district, central part of the Middle and Lower Yangtze River region in eastern China. This study presents the mineral paragenesis and pyrite chemistry of Xinqiao. Four types of pyrite are recognized at Xinqiao: Pyrite I colloform pyrite, pyrite II recrystallized pyrite from pyrite I, and pyrite III finemedium grain pyrite occurring disseminated in retrograde skarn or wall rocks, pyrite IV coarse grained massive pyrite, which makes up the main sulfur orebody at Xinqiao. Trace element concentrations in pyrite were measured by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), and the results are also reported. The paragenetic, textural, and geochemical results from Xinqiao suggest that a stratiform sulfide deposit was modified during skarn formation associated with late Yanshanian magmatic hydrothermal activity.

Item Details

Item Type:Refereed Conference Paper
Keywords:pyrite, trace elements, syngenetic gold, laser ablation, Xinqiao deposit, LA-ICP-MS, Tongling
Research Division:Earth Sciences
Research Group:Geology
Research Field:Ore Deposit Petrology
Objective Division:Mineral Resources (excl. Energy Resources)
Objective Group:Other Mineral Resources (excl. Energy Resources)
Objective Field:Mineral Resources (excl. Energy Resources) not elsewhere classified
Author:Zhang, L (Mr Lejun Zhang)
Author:Cooke, DR (Professor David Cooke)
ID Code:107012
Year Published:2015
Funding Support:Australian Research Council (CE0561595)
Deposited By:Centre for Ore Deposit Research - CODES CoE
Deposited On:2016-03-01
Last Modified:2017-11-02
Downloads:6 View Download Statistics

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