2019
DOI: 10.1093/gji/ggz229
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Magnetic mineral assemblage as a potential indicator of depositional environment in gas-bearing Silurian shales from Northern Poland

Abstract: SUMMARY Organic matter preservation and associated conditions during deposition, important in the context of fossil fuel exploration, are commonly determined by advanced geochemical analyses. However, the relation between organic matter preservation and magnetic mineral composition remains poorly constrained. The aim of the studies was to check the potential of magnetic mineral differentiation between facies containing various amounts of organic matter as a factor to better understand the proces… Show more

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Cited by 3 publications
(2 citation statements)
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“…In the Grabowiec-6 samples there is no evidence for pyrrhotite or greigite (Hounslow et al 2021b). This also appears to be the case for Silurian shales in Northern Poland (Niezabitowska et al 2019b).…”
Section: Unravelling the Magnetic Mineral Contribution To The Msmentioning
confidence: 74%
See 1 more Smart Citation
“…In the Grabowiec-6 samples there is no evidence for pyrrhotite or greigite (Hounslow et al 2021b). This also appears to be the case for Silurian shales in Northern Poland (Niezabitowska et al 2019b).…”
Section: Unravelling the Magnetic Mineral Contribution To The Msmentioning
confidence: 74%
“…Mean IRM acquisition above 0.3 T (%IRM 0.3-1T ) is similar for the Rhuddanian, Phase-I and Phase-II sample (5.4± 1.8%, 4.2± 2.1%, 5.9± 2.7% respectively) indicating magnetic dominance by magnetite, with smaller magnetic contributions from haematite (Hounslow et al 2021b). Niezabitowska et al (2019b) suggest a similar ferromagnetic mineralogy in Wenlock Mudstones from N. Poland. Limestones have larger values -IRM 0.1T / SIRM 1T , indicating also more haematite content (Fig.…”
Section: Unravelling the Magnetic Mineral Contribution To The Msmentioning
confidence: 80%