Trace Element Characteristics of Pyrite and Arsenopyrite from the Golden Ridge Gold Deposit, New Brunswick, Canada: Implications for Ore Genesis

The Golden Ridge gold deposit is located in southwestern New Brunswick, in the Canadian Appalachians. Gold mineralization is consistently associated with acicular arsenopyrite, and to a lesser degree with pyrite, disseminated in host rocks, sulphide veinlets, quartz-carbonate veins, and the breccia...

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Bibliographic Details
Published in:Minerals (Basel) 2023-07, Vol.13 (7), p.954
Main Authors: Cardenas-Vera, Alan, MacDonald, Moya, Lentz, David R., Thorne, Kathleen G.
Format: Article
Language:English
Subjects:
Antimony
Arsenic
Arsenopyrite
Bismuth
Breccia
Carbonates
Copper
Crystal lattices
Crystallization
Enrichment
epithermal deposit
Fault lines
Geology
Gold
Gold industry
Golden Ridge gold deposit
Heavy metals
Inclusions
invisible gold
Mineralization
Nanoparticles
Pollutant deposition
Pyrite
Quartz
Solid solutions
Sulfides
Sulfur compounds
Sulphides
Trace elements
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Summary:The Golden Ridge gold deposit is located in southwestern New Brunswick, in the Canadian Appalachians. Gold mineralization is consistently associated with acicular arsenopyrite, and to a lesser degree with pyrite, disseminated in host rocks, sulphide veinlets, quartz-carbonate veins, and the breccia matrix. According to petrographic-based textural differences, four types of pyrite and two types of arsenopyrite are recognized with associated assemblages. Based on SEM-BSE imaging and LA-ICP-MS spot analyses of the different types of pyrites and arsenopyrites, “invisible gold” (solid solution in the crystal lattice of pyrite and arsenopyrite or
ISSN:2075-163X
2075-163X
DOI:10.3390/min13070954