Paleozoic tectonics of the southwestern Gyeonggi massif, South Korea: Insights from geochemistry, chromian-spinel chemistry and SHRIMP U-Pb geochronology

Seung Ik Park, Sung Won Kim, Sanghoon Kwon, Ngo Xuan Thanh, Keewook Yi, M. Santosh

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Arc magmas, metavolcanics and hydrated mantle peridotite from the Hongseong area in western Gyeonggi massif provide evidence for Paleozoic subduction tectonics in the Korean Peninsula. Zircons in a tonalitic orthogneiss from the Wolhyeonri complex dated in this study through SHRIMP U-Pb technique yield ages of ca. 437. Ma and ca. 414. Ma. In addition, SHRIMP U-Pb zircon dating of a garnet-bearing paragneiss in the Wolhyeonri complex records evidence for Middle Paleozoic (ca. 427. Ma) thermal metamorphism. Petrological and geochemical data from the Paleozoic suite provide robust evidence for mid Paleozoic arc-related magmatism.Petrological and geochemical data from the Paleozoic suite, including the composition of chromian spinel from the serpentinite bodies enclosing high-pressure mafic and felsic blocks also suggest rifted arc/forearc tectonic setting in a supra-subduction zone environment. The serpentinite bodies preserve the imprints of forearc magmas derived through significant mantle/melt interaction during the opening and subsequent evolution of the forearc. These results indicate that the Paleozoic Hongseong area might have been located in an arc-forearc tectonic environment coeval with the plutonism and volcanism preserved in the Wolhyeonri complex. The Hongseong area thus preserves important clues to the Paleozoic subduction prior to the subsequent Triassic "Alpine-type" collision, suggesting a common tectonic linkage among Paleozoic to Triassic East Asian continents before the final assembly of the Pangaea supercontinent.

Original languageEnglish
Pages (from-to)684-698
Number of pages15
JournalGondwana Research
Volume26
Issue number2
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

geochronology
spinel
Paleozoic
geochemistry
tectonics
serpentinite
zircon
Triassic
subduction
mantle
orthogneiss
Pangaea
plutonism
supercontinent
peridotite
tectonic setting
subduction zone
magmatism
volcanism
garnet

All Science Journal Classification (ASJC) codes

  • Geology

Cite this

@article{7d611598d4b8429e9a0e8fb00bd76654,
title = "Paleozoic tectonics of the southwestern Gyeonggi massif, South Korea: Insights from geochemistry, chromian-spinel chemistry and SHRIMP U-Pb geochronology",
abstract = "Arc magmas, metavolcanics and hydrated mantle peridotite from the Hongseong area in western Gyeonggi massif provide evidence for Paleozoic subduction tectonics in the Korean Peninsula. Zircons in a tonalitic orthogneiss from the Wolhyeonri complex dated in this study through SHRIMP U-Pb technique yield ages of ca. 437. Ma and ca. 414. Ma. In addition, SHRIMP U-Pb zircon dating of a garnet-bearing paragneiss in the Wolhyeonri complex records evidence for Middle Paleozoic (ca. 427. Ma) thermal metamorphism. Petrological and geochemical data from the Paleozoic suite provide robust evidence for mid Paleozoic arc-related magmatism.Petrological and geochemical data from the Paleozoic suite, including the composition of chromian spinel from the serpentinite bodies enclosing high-pressure mafic and felsic blocks also suggest rifted arc/forearc tectonic setting in a supra-subduction zone environment. The serpentinite bodies preserve the imprints of forearc magmas derived through significant mantle/melt interaction during the opening and subsequent evolution of the forearc. These results indicate that the Paleozoic Hongseong area might have been located in an arc-forearc tectonic environment coeval with the plutonism and volcanism preserved in the Wolhyeonri complex. The Hongseong area thus preserves important clues to the Paleozoic subduction prior to the subsequent Triassic {"}Alpine-type{"} collision, suggesting a common tectonic linkage among Paleozoic to Triassic East Asian continents before the final assembly of the Pangaea supercontinent.",
author = "Park, {Seung Ik} and Kim, {Sung Won} and Sanghoon Kwon and Thanh, {Ngo Xuan} and Keewook Yi and M. Santosh",
year = "2014",
month = "1",
day = "1",
doi = "10.1016/j.gr.2013.07.015",
language = "English",
volume = "26",
pages = "684--698",
journal = "Gondwana Research",
issn = "1342-937X",
publisher = "Elsevier Inc.",
number = "2",

}

Paleozoic tectonics of the southwestern Gyeonggi massif, South Korea : Insights from geochemistry, chromian-spinel chemistry and SHRIMP U-Pb geochronology. / Park, Seung Ik; Kim, Sung Won; Kwon, Sanghoon; Thanh, Ngo Xuan; Yi, Keewook; Santosh, M.

In: Gondwana Research, Vol. 26, No. 2, 01.01.2014, p. 684-698.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Paleozoic tectonics of the southwestern Gyeonggi massif, South Korea

T2 - Insights from geochemistry, chromian-spinel chemistry and SHRIMP U-Pb geochronology

AU - Park, Seung Ik

AU - Kim, Sung Won

AU - Kwon, Sanghoon

AU - Thanh, Ngo Xuan

AU - Yi, Keewook

AU - Santosh, M.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Arc magmas, metavolcanics and hydrated mantle peridotite from the Hongseong area in western Gyeonggi massif provide evidence for Paleozoic subduction tectonics in the Korean Peninsula. Zircons in a tonalitic orthogneiss from the Wolhyeonri complex dated in this study through SHRIMP U-Pb technique yield ages of ca. 437. Ma and ca. 414. Ma. In addition, SHRIMP U-Pb zircon dating of a garnet-bearing paragneiss in the Wolhyeonri complex records evidence for Middle Paleozoic (ca. 427. Ma) thermal metamorphism. Petrological and geochemical data from the Paleozoic suite provide robust evidence for mid Paleozoic arc-related magmatism.Petrological and geochemical data from the Paleozoic suite, including the composition of chromian spinel from the serpentinite bodies enclosing high-pressure mafic and felsic blocks also suggest rifted arc/forearc tectonic setting in a supra-subduction zone environment. The serpentinite bodies preserve the imprints of forearc magmas derived through significant mantle/melt interaction during the opening and subsequent evolution of the forearc. These results indicate that the Paleozoic Hongseong area might have been located in an arc-forearc tectonic environment coeval with the plutonism and volcanism preserved in the Wolhyeonri complex. The Hongseong area thus preserves important clues to the Paleozoic subduction prior to the subsequent Triassic "Alpine-type" collision, suggesting a common tectonic linkage among Paleozoic to Triassic East Asian continents before the final assembly of the Pangaea supercontinent.

AB - Arc magmas, metavolcanics and hydrated mantle peridotite from the Hongseong area in western Gyeonggi massif provide evidence for Paleozoic subduction tectonics in the Korean Peninsula. Zircons in a tonalitic orthogneiss from the Wolhyeonri complex dated in this study through SHRIMP U-Pb technique yield ages of ca. 437. Ma and ca. 414. Ma. In addition, SHRIMP U-Pb zircon dating of a garnet-bearing paragneiss in the Wolhyeonri complex records evidence for Middle Paleozoic (ca. 427. Ma) thermal metamorphism. Petrological and geochemical data from the Paleozoic suite provide robust evidence for mid Paleozoic arc-related magmatism.Petrological and geochemical data from the Paleozoic suite, including the composition of chromian spinel from the serpentinite bodies enclosing high-pressure mafic and felsic blocks also suggest rifted arc/forearc tectonic setting in a supra-subduction zone environment. The serpentinite bodies preserve the imprints of forearc magmas derived through significant mantle/melt interaction during the opening and subsequent evolution of the forearc. These results indicate that the Paleozoic Hongseong area might have been located in an arc-forearc tectonic environment coeval with the plutonism and volcanism preserved in the Wolhyeonri complex. The Hongseong area thus preserves important clues to the Paleozoic subduction prior to the subsequent Triassic "Alpine-type" collision, suggesting a common tectonic linkage among Paleozoic to Triassic East Asian continents before the final assembly of the Pangaea supercontinent.

UR - http://www.scopus.com/inward/record.url?scp=84903201426&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84903201426&partnerID=8YFLogxK

U2 - 10.1016/j.gr.2013.07.015

DO - 10.1016/j.gr.2013.07.015

M3 - Article

AN - SCOPUS:84903201426

VL - 26

SP - 684

EP - 698

JO - Gondwana Research

JF - Gondwana Research

SN - 1342-937X

IS - 2

ER -