Mössbauer spectroscopy study of the chemical state of iron in Danish Mesozoic sediments

The chemical state of iron in sediments from six wells in the Danish North Sea and the Danish land area has been studied by use of Mössbauer spectroscopy. It was found that iron was mainly present in pyrite, clay minerals and the carbonates siderite and ankerite. The relative amounts of iron in diff...

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Veröffentlicht in:	Fuel (Guildford) 1985-01, Vol.64 (4), p.528-539
Hauptverfasser:	Mørup, Steen, Franck, Jørgen, van Wonterghem, Jacques, Roy-Poulsen, Helle, Larsen, Leena
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Crude oil, natural gas and petroleum products Energy Exact sciences and technology Fuels Geology and geochemistry. Geological and geochemical prospecting. Petroliferous series iron iron-containing minerals Mössbauer spectroscopy Prospecting and exploration Prospecting and production of crude oil, natural gas, oil shales and tar sands source rock
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Beschreibung
Zusammenfassung:	The chemical state of iron in sediments from six wells in the Danish North Sea and the Danish land area has been studied by use of Mössbauer spectroscopy. It was found that iron was mainly present in pyrite, clay minerals and the carbonates siderite and ankerite. The relative amounts of iron in different minerals have been determined as a function of depth in the wells. A comparison of the results with available data for source rock maturity suggests that there may be a correlation between the presence of ankerite and the formation of oil and gas in the sediments.
ISSN:	0016-2361 1873-7153
DOI:	10.1016/0016-2361(85)90089-4