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Article: Major and trace-element zoning in metamorphic garnets and their metamorphic process implications

TitleMajor and trace-element zoning in metamorphic garnets and their metamorphic process implications
变质石榴石的成分环带与变质过程
Authors
Keywords主量微量元素成分环带 (Major- and trace-elemental zonings)
变质过程 (Metamorphic processes)
石榴石 (Garnet)
Issue Date2003
PublisherChina University of Geosciences. The Journal's web site is located at http://dxqy.chinajournal.net.cn/
Citation
Earth Science Frontiers, 2003, v. 10 n. 3, p. 315-320 How to Cite?
地学前缘, 2003, 第10卷 第3期, pp. 315-320 How to Cite?
AbstractThis article introduces some of the modern techniques for analyzing compositional zonings/profiles in metamorphic garnet, emphasizing the significance of two-dimensional composition X-ray mapping for such investigations. The compositional zonings/profiles in garnet can be divided into uniform-changed type and abrupt-changed type. The uniform-changed type is formed in equilibrium-controlled growth; the abrupt-changed type may be subdivided into step-changed subtype and spike-changed subtype, the forming mechanism of each is relatively complex. The step-changed subtype may be related to the processes such as poly-metamorphism, p-T changes with large magnitudes, and changes in metamorphic reactions or disturbance of crustal melting. As an example, the petrography, the major-and trace-element zoning and distribution patterns of REEs in the garnet from the Xiaomiao Group in the East Kunlun Mountains suggest two episodes of regional metamorphism.
Persistent Identifierhttp://hdl.handle.net/10722/72647
ISSN
2015 SCImago Journal Rankings: 0.408

 

DC FieldValueLanguage
dc.contributor.authorChen, NSen_HK
dc.contributor.authorSun, Men_HK
dc.contributor.authorYang, Yen_HK
dc.contributor.authorLiu, Ren_HK
dc.contributor.authorWang, QYen_HK
dc.date.accessioned2010-09-06T06:43:47Z-
dc.date.available2010-09-06T06:43:47Z-
dc.date.issued2003en_HK
dc.identifier.citationEarth Science Frontiers, 2003, v. 10 n. 3, p. 315-320en_HK
dc.identifier.citation地学前缘, 2003, 第10卷 第3期, pp. 315-320-
dc.identifier.issn1005-2321en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72647-
dc.description.abstractThis article introduces some of the modern techniques for analyzing compositional zonings/profiles in metamorphic garnet, emphasizing the significance of two-dimensional composition X-ray mapping for such investigations. The compositional zonings/profiles in garnet can be divided into uniform-changed type and abrupt-changed type. The uniform-changed type is formed in equilibrium-controlled growth; the abrupt-changed type may be subdivided into step-changed subtype and spike-changed subtype, the forming mechanism of each is relatively complex. The step-changed subtype may be related to the processes such as poly-metamorphism, p-T changes with large magnitudes, and changes in metamorphic reactions or disturbance of crustal melting. As an example, the petrography, the major-and trace-element zoning and distribution patterns of REEs in the garnet from the Xiaomiao Group in the East Kunlun Mountains suggest two episodes of regional metamorphism.-
dc.languagechien_HK
dc.publisherChina University of Geosciences. The Journal's web site is located at http://dxqy.chinajournal.net.cn/zh_HK
dc.relation.ispartofEarth Science Frontiersen_HK
dc.relation.ispartof地学前缘-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject主量微量元素成分环带 (Major- and trace-elemental zonings)-
dc.subject变质过程 (Metamorphic processes)-
dc.subject石榴石 (Garnet)-
dc.titleMajor and trace-element zoning in metamorphic garnets and their metamorphic process implicationsen_HK
dc.title变质石榴石的成分环带与变质过程-
dc.typeArticleen_HK
dc.identifier.emailSun, M: minsun@hku.hken_HK
dc.identifier.authoritySun, M=rp00780en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros92160en_HK
dc.identifier.volume10-
dc.identifier.issue3-
dc.identifier.spage315-
dc.identifier.epage320-
dc.publisher.placeChina-

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