Silicon in magnetite: High resolution microanalysis of magnetite-ilmenite intergrowths
dc.contributor.author | Peacor, Donald R. | en_US |
dc.contributor.author | Newberry, Nancy G. | en_US |
dc.contributor.author | Geissman, John W. | en_US |
dc.contributor.author | Essene, Eric J. | en_US |
dc.date.accessioned | 2006-09-11T18:51:26Z | |
dc.date.available | 2006-09-11T18:51:26Z | |
dc.date.issued | 1982-11 | en_US |
dc.identifier.citation | Newberry, Nancy G.; Peacor, Donald R.; Essene, Eric J.; Geissman, John W.; (1982). "Silicon in magnetite: High resolution microanalysis of magnetite-ilmenite intergrowths." Contributions to Mineralogy and Petrology 80(4): 334-340. <http://hdl.handle.net/2027.42/47334> | en_US |
dc.identifier.issn | 1432-0967 | en_US |
dc.identifier.issn | 0010-7999 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/47334 | |
dc.description.abstract | Magnetite-ilmenite “oxidation-exsolution” intergrowths from an original titanomagnetite microphenocryst from an ash flow tuff unit have been studied using conventional transmission electron microscopy and analytical electron microscopy. Silicon has been found to be in solid solution in all of the magnetite studied and in some of the coexisting ilmenite. The average value in magnetite is 1.2 wt.% Si, equivalent to solid solution of 9 mole % Fe 2 SiO 4 . Silicon is also present in very small silicate inclusions and as unusual Si-rich domains of uncertain origin in magnetite. The inclusions and domains may be irregularly distributed through the magnetite in sizes well below those resolvable with the electron microprobe. Microprobe analyses for Si in magnetite generally reflect these heterogeneities in addition to a component presumably in solid solution. The petrologic implications of the data can be assessed only when relevant thermochemical data become available and the distribution of Si in magnetite is better understood. | en_US |
dc.format.extent | 1247450 bytes | |
dc.format.extent | 3115 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Springer-Verlag | en_US |
dc.subject.other | Geology | en_US |
dc.subject.other | Geosciences | en_US |
dc.subject.other | Mineralogy | en_US |
dc.subject.other | Mineral Resources | en_US |
dc.title | Silicon in magnetite: High resolution microanalysis of magnetite-ilmenite intergrowths | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Geology and Earth Sciences | en_US |
dc.subject.hlbsecondlevel | Chemistry | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Geological Sciences, The University of Michigan, 48109, Ann Arbor, Michigan, USA; Department of Geology, Colorado School of Mines, 80401, Golden, Colorado, USA | en_US |
dc.contributor.affiliationum | Department of Geological Sciences, The University of Michigan, 48109, Ann Arbor, Michigan, USA; Department of Geology, Colorado School of Mines, 80401, Golden, Colorado, USA | en_US |
dc.contributor.affiliationum | Department of Geological Sciences, The University of Michigan, 48109, Ann Arbor, Michigan, USA; Department of Geology, Colorado School of Mines, 80401, Golden, Colorado, USA | en_US |
dc.contributor.affiliationum | Department of Geological Sciences, The University of Michigan, 48109, Ann Arbor, Michigan, USA; Department of Geology, Colorado School of Mines, 80401, Golden, Colorado, USA; EXXON Company USA, 79701, Midland, Texas, USA | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/47334/1/410_2004_Article_BF00378006.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/BF00378006 | en_US |
dc.identifier.source | Contributions to Mineralogy and Petrology | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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