Features of metamict zircons based on their micrographs and the data of electron microprobe analysis.
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| Title: | Features of metamict zircons based on their micrographs and the data of electron microprobe analysis. |
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| Authors: | Votyakov, S.1, Zamyatin, D.1 zamyatin@igg.uran.ru, Shchapova, Yu.1, Porotnikov, A.1, Krasnobaev, A.1 |
| Source: | Doklady Earth Sciences. Jul2014, Vol. 457 Issue 1, p882-886. 5p. |
| Subjects: | Data analysis, Micrographics, Zircon, Metamorphic rocks, Crystal structure |
| Abstract: | A new quantitative approach on the basis of joint probability distribution (JPD) analysis of BSE- and CL-images is proposed for studies of the zoning of polygenic (polychronous) grains of zircon. It was shown for the example of zircon of the Mugodzhar metamorphic rocks (South Ural) that a series of zones might be distinguished in the grains of high chemical (structural) heterogeneity. Zones Ia and Ib belong to the fragments of crystalline and radiation-damaged zircon, respectively. Zone II corresponds to the primarily disordered areas (the 'genetically metamict' zones) of high concentrations of the impurities of Y, P, REE, U, Hf, etc. The Ia-Ic trend is related to the process of autoradiation metamictization. Based on the data on oxygen content, the declinations of zircon composition from the stoichiometry and the hydration effects were considered. [ABSTRACT FROM AUTHOR] |
| Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 97332114 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Features of metamict zircons based on their micrographs and the data of electron microprobe analysis. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Votyakov%2C+S%2E%22">Votyakov, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zamyatin%2C+D%2E%22">Zamyatin, D.</searchLink><relatesTo>1</relatesTo><i> zamyatin@igg.uran.ru</i><br /><searchLink fieldCode="AR" term="%22Shchapova%2C+Yu%2E%22">Shchapova, Yu.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Porotnikov%2C+A%2E%22">Porotnikov, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Krasnobaev%2C+A%2E%22">Krasnobaev, A.</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Doklady+Earth+Sciences%22">Doklady Earth Sciences</searchLink>. Jul2014, Vol. 457 Issue 1, p882-886. 5p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Micrographics%22">Micrographics</searchLink><br /><searchLink fieldCode="DE" term="%22Zircon%22">Zircon</searchLink><br /><searchLink fieldCode="DE" term="%22Metamorphic+rocks%22">Metamorphic rocks</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+structure%22">Crystal structure</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: A new quantitative approach on the basis of joint probability distribution (JPD) analysis of BSE- and CL-images is proposed for studies of the zoning of polygenic (polychronous) grains of zircon. It was shown for the example of zircon of the Mugodzhar metamorphic rocks (South Ural) that a series of zones might be distinguished in the grains of high chemical (structural) heterogeneity. Zones Ia and Ib belong to the fragments of crystalline and radiation-damaged zircon, respectively. Zone II corresponds to the primarily disordered areas (the 'genetically metamict' zones) of high concentrations of the impurities of Y, P, REE, U, Hf, etc. The Ia-Ic trend is related to the process of autoradiation metamictization. Based on the data on oxygen content, the declinations of zircon composition from the stoichiometry and the hydration effects were considered. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1134/S1028334X14070277 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 5 StartPage: 882 Subjects: – SubjectFull: Data analysis Type: general – SubjectFull: Micrographics Type: general – SubjectFull: Zircon Type: general – SubjectFull: Metamorphic rocks Type: general – SubjectFull: Crystal structure Type: general Titles: – TitleFull: Features of metamict zircons based on their micrographs and the data of electron microprobe analysis. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Votyakov, S. – PersonEntity: Name: NameFull: Zamyatin, D. – PersonEntity: Name: NameFull: Shchapova, Yu. – PersonEntity: Name: NameFull: Porotnikov, A. – PersonEntity: Name: NameFull: Krasnobaev, A. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2014 Type: published Y: 2014 Identifiers: – Type: issn-print Value: 1028334X Numbering: – Type: volume Value: 457 – Type: issue Value: 1 Titles: – TitleFull: Doklady Earth Sciences Type: main |
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