Cited by 1,049Geological and Geochemical AnalysisGeochemistry and Geochronology of Asian Mineral DepositsGeochemistry and Geologic Mapping

Gold and Trace Element Zonation in Pyrite Using a Laser Imaging Technique: Implications for the Timing of Gold in Orogenic and Carlin-Style Sediment-Hosted Deposits

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Large, R. R, Danyushevsky, L., Hollit, C., Maslennikov, V., Meffre, S., Gilbert, S., Bull, S., Scott, R. +4 more·2009·Economic Geology

Abstract

Laser ablation ICP-MS imaging of gold and other trace elements in pyrite from four different sediment hosted gold-arsenic deposits has revealed two distinct episodes of gold enrichment in each deposit: an early synsedimentary stage where invisible gold is concentrated in arsenian diagenetic pyrite along with other trace elements, in particular, As, Ni, Pb, Zn, Ag, Mo, Te, V, and Se; and a later hydrothermal stage where gold forms as either free gold grains in cracks in overgrowth metamorphic and/or hydrothermal pyrite or as narrow, gold-arsenic rims on the outermost parts of the overgrowth hydrothermal pyrite. Compared to the diagenetic pyrites, the hydrothermal pyrites are commonly depleted in Ni, V, Zn, Pb, and Ag with cyclic zones of Co, Ni, and As concentration. The outermost hydrothermal pyrite rims are either As-Au rich, as in moderate- to high-grade deposits such as Carlin and Bendigo, or Co-Ni rich and As-Au poor as in moderate- to low-grade deposits such as Sukhoi Log and Spanish Mountain. The early enrichment of gold in arsenic-bearing syngenetic to diagenetic pyrite, within black shale facies of sedimentary basins, is proposed as a critical requirement for the later development of Carlin-style and orogenic gold deposits in sedimentary environments. The best grade sediment-hosted deposits appear to have the gold climax event, toward the final stages of deformation-related hydrothermal pyrite growth and fluid flow.

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Crossref · 10.2113/gsecongeo.104.5.635

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  • Like hydrothermal pyrite, which records ore-fluid chemistry, syngenetic to early diagenetic pyrite can record shifts in seawater composition.

    “Those authors suggested that in the same way that hydrothermal pyrite can track the chemistry of ore-forming fluids (Large et al., 2009), syngenetic to early diagenetic pyrite can track changes in seawater composition.”

    From Trace elements at the intersection of marine biological and geochemical evolution (2016) · cites this paper as Large et al., 2009

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Authors
Large, R. R., Danyushevsky, L., Hollit, C., Maslennikov, V., Meffre, S., Gilbert, S., Bull, S., Scott, R., Emsbo, P., Thomas, H., Singh, B., & Foster, J.
Affiliations
  • University of Tasmania (AU)
  • United States Geological Survey (US)
Corresponding author
Large, R. R
Venue
Economic Geology
Published
2009-08-01
Volume
104
Issue
5
Pages
635-668
ISSN
0361-0128 (ISSN-L)
OpenAlex
W2154295153
Cited by
1,049
References
63
Citations by year
2026: 81 · 2025: 105 · 2024: 109 · 2023: 94 · 2022: 112 · 2021: 86 · 2020: 99 · 2019: 73 · 2018: 58 · 2017: 44 · 2016: 35 · 2015: 37 · 2014: 48 · 2013: 27 · 2012: 12
FWCI
12.35
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Economic Geology (publishedVersion)
  • eCite Digital Repository (University of Tasmania) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Geochemistry and Geochronology of Asian Mineral Deposits
  • Physical Sciences › Computer Science › Artificial Intelligence › Geochemistry and Geologic Mapping
Keywords
pyrite, trace elements, sediment-hosted gold deposits, Carlin-type gold deposits, orogenic gold deposits, diagenetic pyrite, black shales

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