Diagenetic evolution of a sedimentary system (Michigan Basin): Insights from petrography and S-isotope micro-analysis of pyrite

The study presents a detailed investigation of S-isotope systematics of pyrite from Cambrian-Ordovician sedimentary rocks along the eastern flank of the Michigan Basin, Ontario, Canada. Whole-rock and secondary-ion mass spectrometry (SIMS) pyrite analyses of 34S/32S were undertaken in association wi...

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Bibliographic Details
Published in:Chemical geology 2020-05, Vol.541, p.119580, Article 119580
Main Authors: Jautzy, Josué J., Petts, Duane C., Clark, Ian D., Al, Tom A., Stern, Richard A., Jensen, Mark
Format: Article
Language:English
Subjects:
Diagenesis
Michigan Basin
Pyrite
S-isotope
SIMS
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Summary:The study presents a detailed investigation of S-isotope systematics of pyrite from Cambrian-Ordovician sedimentary rocks along the eastern flank of the Michigan Basin, Ontario, Canada. Whole-rock and secondary-ion mass spectrometry (SIMS) pyrite analyses of 34S/32S were undertaken in association with a detailed petrographic investigation of the different crystal morphologies to better constrain the diagenetic history of the sedimentary rocks by informing about the processes of pyrite formation. The broad range of SIMS isotopic data (i.e., −37.1‰ 
ISSN:0009-2541
1872-6836
DOI:10.1016/j.chemgeo.2020.119580