1996
DOI: 10.1016/0009-2541(96)00007-1
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The late diagenetic conversion of pyrite to magnetite by organically complexed ferric iron

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Cited by 64 publications
(47 citation statements)
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“…Oliver, 1986). Either externally or internally derived fluids could have caused magnetite formation along with mineralization, potassium metasomatism, dedolomitization and dolomitization (Suk et al, 1990;Brothers et al, 1996;Xu et al, 1998;Elmore et al, 2006). Meanwhile, burial diagenesis could also play an important role because the transformation of smectite to illite would serve as a source for the iron in ChRM magnetite without the need for extensive volumes of fluid (Elmore et al, 1993;Katz et al, 1998;Katz et al, 2000;Woods et al, 2002;Blumstein et al, 2004).…”
Section: 2 R E M a G N E T I Z A T I O N M E C H A N I S Mmentioning
confidence: 97%
“…Oliver, 1986). Either externally or internally derived fluids could have caused magnetite formation along with mineralization, potassium metasomatism, dedolomitization and dolomitization (Suk et al, 1990;Brothers et al, 1996;Xu et al, 1998;Elmore et al, 2006). Meanwhile, burial diagenesis could also play an important role because the transformation of smectite to illite would serve as a source for the iron in ChRM magnetite without the need for extensive volumes of fluid (Elmore et al, 1993;Katz et al, 1998;Katz et al, 2000;Woods et al, 2002;Blumstein et al, 2004).…”
Section: 2 R E M a G N E T I Z A T I O N M E C H A N I S Mmentioning
confidence: 97%
“…Experimental decomposition of pyrrhotite to magnetite has been observed at hightemperature under low oxygen fugacity conditions (e.g., Groves et al, 1987;Srinivasachar et al, 1990). Brothers et al (1996) have proposed that the transformation of pyrite to pyrrhotite and then to magnetite with increasing temperature involves OM degradation. Thorpe et al (1984) have experimentally shown that, at 350°C, under low oxygen fugacity conditions, pyrite partially converts to magnetite (between 5% and 20% of the total amount of pyrite), which then forms a crust around pyrite grains.…”
Section: Origin Of Maghemite: a Reaction Halo?mentioning
confidence: 98%
“…Cioppa et al 2002;Font et al 2006). Laboratory simulation experiments have also successfully produced magnetite by dissolutionreprecipitation of pyrite (Brothers et al 1996). These experiments may simulate diagenesis at temperatures below 100 8C, one possible pathway for magnetite authigenesis.…”
mentioning
confidence: 99%