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Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology.

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Title: Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology.
Authors: Huang, Liangliang1 (AUTHOR), Wang, Liyuan2 (AUTHOR) wangliyuan030101@163.com, Fan, Hong-Rui1 (AUTHOR), Lin, Musen2 (AUTHOR), Zhang, Wenhui2 (AUTHOR)
Source: Journal of Earth Science. Jun2020, Vol. 31 Issue 3, p468-480. 13p.
Subject Terms: *Geochemistry, *Magmas, *Zircon, *Mineralogy, *Islands
Geographic Terms: Fujian Sheng (China)
Abstract: The mafic enclaves from Mesozoic intermediate-acid magmatic rocks, widely developed along Fujian coast, are considered to be the results of large-scale crust-mantle interaction and magma mixing. In this paper, petrography, mineralogy, and geochemistry of granites and mafic microgranular enclaves (MMEs) in Langqi Island are studied to provide new information for tracing crust-mantle interaction. The zircon U-Pb dating results show that the Langqi rocks were formed at ∼101 Ma, which are metaluminous, enriched in silica and high-K calc-alkaline I-type granites. The enclaves have a typical magmatic structure, which is characterized by magma mixing between high-temperature basic magma and low-temperature acidic magma through injecting. The enclaves and host granites show a tendency to mixed major and trace elements, displaying a clear-cut contact relationship, which is indicative of coeval magmatism. The genesis of Langqi rocks is related to the extensional setting caused by the subduction of Paleo-Pacific Plate, and they are the results of mixing of subduction-related metasomatized mantle-derived mafic and induced crustal-melted granitic magma originating from partial melting of the crustal material. [ABSTRACT FROM AUTHOR]
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  Label: Title
  Group: Ti
  Data: Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Huang%2C+Liangliang%22">Huang, Liangliang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Liyuan%22">Wang, Liyuan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> wangliyuan030101@163.com</i><br /><searchLink fieldCode="AR" term="%22Fan%2C+Hong-Rui%22">Fan, Hong-Rui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Musen%22">Lin, Musen</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Wenhui%22">Zhang, Wenhui</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Earth+Science%22">Journal of Earth Science</searchLink>. Jun2020, Vol. 31 Issue 3, p468-480. 13p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Geochemistry%22">Geochemistry</searchLink><br />*<searchLink fieldCode="DE" term="%22Magmas%22">Magmas</searchLink><br />*<searchLink fieldCode="DE" term="%22Zircon%22">Zircon</searchLink><br />*<searchLink fieldCode="DE" term="%22Mineralogy%22">Mineralogy</searchLink><br />*<searchLink fieldCode="DE" term="%22Islands%22">Islands</searchLink>
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  Label: Geographic Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Fujian+Sheng+%28China%29%22">Fujian Sheng (China)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The mafic enclaves from Mesozoic intermediate-acid magmatic rocks, widely developed along Fujian coast, are considered to be the results of large-scale crust-mantle interaction and magma mixing. In this paper, petrography, mineralogy, and geochemistry of granites and mafic microgranular enclaves (MMEs) in Langqi Island are studied to provide new information for tracing crust-mantle interaction. The zircon U-Pb dating results show that the Langqi rocks were formed at ∼101 Ma, which are metaluminous, enriched in silica and high-K calc-alkaline I-type granites. The enclaves have a typical magmatic structure, which is characterized by magma mixing between high-temperature basic magma and low-temperature acidic magma through injecting. The enclaves and host granites show a tendency to mixed major and trace elements, displaying a clear-cut contact relationship, which is indicative of coeval magmatism. The genesis of Langqi rocks is related to the extensional setting caused by the subduction of Paleo-Pacific Plate, and they are the results of mixing of subduction-related metasomatized mantle-derived mafic and induced crustal-melted granitic magma originating from partial melting of the crustal material. [ABSTRACT FROM AUTHOR]
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      – Type: doi
        Value: 10.1007/s12583-019-1022-7
    Languages:
      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 468
    Subjects:
      – SubjectFull: Geochemistry
        Type: general
      – SubjectFull: Magmas
        Type: general
      – SubjectFull: Zircon
        Type: general
      – SubjectFull: Mineralogy
        Type: general
      – SubjectFull: Islands
        Type: general
      – SubjectFull: Fujian Sheng (China)
        Type: general
    Titles:
      – TitleFull: Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology.
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            NameFull: Huang, Liangliang
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            NameFull: Wang, Liyuan
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            NameFull: Fan, Hong-Rui
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            NameFull: Lin, Musen
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            NameFull: Zhang, Wenhui
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            – D: 01
              M: 06
              Text: Jun2020
              Type: published
              Y: 2020
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            – TitleFull: Journal of Earth Science
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