Journal ArticleDOI
Pyrite and organic matter in Phanerozoic normal marine shales
Robert Raiswell,Robert A. Berner +1 more
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TLDR
In this paper, the concentrations of organic carbon (C) and pyrite sulfur (S) in over 600 samples of Cambrian to recent normal marine shales have been obtained, from their own chemical analyses and from the literature.About:
This article is published in Geochimica et Cosmochimica Acta.The article was published on 1986-09-01. It has received 262 citations till now. The article focuses on the topics: Pyrite & Diagenesis.read more
Citations
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Comparison of geochemical indices used for the interpretation of palaeoredox conditions in ancient mudstones
B Jones,David A. C. Manning +1 more
TL;DR: In this article, eight geochemical indices used for the interpretation of bottom water palaeo-oxygen concentrations for argillaceous sedimentary rocks have been calculated for a suite of Upper Jurassic mudstones drawn from the Draupne and Heather Formations of the Norwegian North Sea, and the Kimmeridge Clay Formation from onshore England.
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Geochemical paleoredox indicators in Devonian–Mississippian black shales, Central Appalachian Basin (USA)
TL;DR: The degree of anoxia that existed during accumulation of Devonian-mississippian black shales in central Kentucky has been extensively studied in this article, where the authors used geochemical data to elucidate paleodepositional environments for these units.
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The Iron Biogeochemical Cycle Past and Present
TL;DR: This paper presented a kinetic model evaluating the supply of bioavailable Fe to surface seawater by ferrihydrite dissolution, photoreduction and siderophore-aided dissolution.
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A critical look at iron paleoredox proxies: New insights from modern euxinic marine basins
Timothy W. Lyons,Silke Severmann +1 more
TL;DR: In this paper, the authors show that high siliciclastic accumulation rates can swamp the enrichment mechanism, resulting in only intermediate DOP values for euxinic sediments and FeT/Al ratios that mimic the oxic shelf.
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COPSE: a new model of biogeochemical cycling over Phanerozoic time
TL;DR: In this article, a new model of biogeochemical cycling over Phanerozoic time is presented, which couples a feedback-based model of atmospheric O2 and ocean nutrients with a geochemical carbon cycle model (Berner, 1991, 1994), a simple sulfur cycle, and additional components.
References
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Journal ArticleDOI
Sedimentary pyrite formation: An update
TL;DR: In this article, it was shown that organic matter appears to be the major control on pyrite formation in normal (non-euxinic) terrigenous marine sediments where dissolved sulfate and iron minerals are abundant.
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The age curves of sulfur and oxygen isotopes in marine sulfate and their mutual interpretation
TL;DR: In this article, a model involving symmetrical fluxes is introduced to take advantage of the oxygen data, and the measured δ34S and δ18O correspond to variations in these isotopes in sulfate of the world ocean surface.
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Acidic mine drainage: the rate-determining step
Philip C. Singer,Werner Stumm +1 more
TL;DR: The rate-determining step in the oxidation of iron pyrite and the formation of acidity in streams associated with coal and copper mines isThe oxidation of ferrous iron, and effective pollution abatement necessitates control ling this reaction.
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The use of chromium reduction in the analysis of reduced inorganic sulfur in sediments and shales
Donald E. Canfield,Robert Raiswell,Joseph T. Westrich,Christopher M. Reaves,Robert A. Berner +4 more
TL;DR: In this article, a chromium reduction method was used for the determination of reduced inorganic sulfur compounds (pyrite + elemental sulfur + acid volatile monosulfides) in modern sediments and shales.