First finding of eclogite facies metamorphic event in South Korea and its correlation with the Dabie-Sulu collision belt in China

Chang Whan Oh; Sung Won Kim; Seon Gyu Choi; Mingguo Zhai; Jinghui Guo; Sajeev Krishnan

doi:10.1086/427671

First finding of eclogite facies metamorphic event in South Korea and its correlation with the Dabie-Sulu collision belt in China

Chang Whan Oh, Sung Won Kim, Seon Gyu Choi, Mingguo Zhai, Jinghui Guo, Sajeev Krishnan

Department of Earth and Environmental Sciences

Research output: Contribution to journal › Article › peer-review

178 Citations (Scopus)

Abstract

Metabasite lenses occur within granitic gneiss at Bibong in the southwestern part of the Gyeonggi massif, South Korea. Bibong metabasites experienced an initial eclogite facies metamorphism (17.0-20.9 kbar, 835°-860°C), which was succeeded by a granulite facies metamorphism (11.5-14.6 kbar, 830°-850°C) and finally overprinted by an amphibolite facies metamorphism (6.7-11.0 kbar, 570°-740°C). The metabasites have Sm-Nd internal isochron ages at 225-258 Ma, and the major elements of the metabasites display an island arc affinity. The petrochemical and geochronological data suggest the southwestern part of the Gyeonggi massif as an extension of the Triassic Dabie-Sulu collision belt in China.

Original language	English
Pages (from-to)	226-232
Number of pages	7
Journal	Journal of Geology
Volume	113
Issue number	2
DOIs	https://doi.org/10.1086/427671
Publication status	Published - 2005 Mar

ASJC Scopus subject areas

Geology

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title = "First finding of eclogite facies metamorphic event in South Korea and its correlation with the Dabie-Sulu collision belt in China",

abstract = "Metabasite lenses occur within granitic gneiss at Bibong in the southwestern part of the Gyeonggi massif, South Korea. Bibong metabasites experienced an initial eclogite facies metamorphism (17.0-20.9 kbar, 835°-860°C), which was succeeded by a granulite facies metamorphism (11.5-14.6 kbar, 830°-850°C) and finally overprinted by an amphibolite facies metamorphism (6.7-11.0 kbar, 570°-740°C). The metabasites have Sm-Nd internal isochron ages at 225-258 Ma, and the major elements of the metabasites display an island arc affinity. The petrochemical and geochronological data suggest the southwestern part of the Gyeonggi massif as an extension of the Triassic Dabie-Sulu collision belt in China.",

author = "Oh, {Chang Whan} and Kim, {Sung Won} and Choi, {Seon Gyu} and Mingguo Zhai and Jinghui Guo and Sajeev Krishnan",

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AU - Oh, Chang Whan

AU - Kim, Sung Won

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AU - Zhai, Mingguo

AU - Guo, Jinghui

AU - Krishnan, Sajeev

PY - 2005/3

Y1 - 2005/3

N2 - Metabasite lenses occur within granitic gneiss at Bibong in the southwestern part of the Gyeonggi massif, South Korea. Bibong metabasites experienced an initial eclogite facies metamorphism (17.0-20.9 kbar, 835°-860°C), which was succeeded by a granulite facies metamorphism (11.5-14.6 kbar, 830°-850°C) and finally overprinted by an amphibolite facies metamorphism (6.7-11.0 kbar, 570°-740°C). The metabasites have Sm-Nd internal isochron ages at 225-258 Ma, and the major elements of the metabasites display an island arc affinity. The petrochemical and geochronological data suggest the southwestern part of the Gyeonggi massif as an extension of the Triassic Dabie-Sulu collision belt in China.

AB - Metabasite lenses occur within granitic gneiss at Bibong in the southwestern part of the Gyeonggi massif, South Korea. Bibong metabasites experienced an initial eclogite facies metamorphism (17.0-20.9 kbar, 835°-860°C), which was succeeded by a granulite facies metamorphism (11.5-14.6 kbar, 830°-850°C) and finally overprinted by an amphibolite facies metamorphism (6.7-11.0 kbar, 570°-740°C). The metabasites have Sm-Nd internal isochron ages at 225-258 Ma, and the major elements of the metabasites display an island arc affinity. The petrochemical and geochronological data suggest the southwestern part of the Gyeonggi massif as an extension of the Triassic Dabie-Sulu collision belt in China.

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First finding of eclogite facies metamorphic event in South Korea and its correlation with the Dabie-Sulu collision belt in China

Abstract

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