SHRIMP zircon age of a Proterozoic rapakivi granite batholith in the Gyeonggi massif (South Korea) and its geological implications

Mingguo Zhai, Zhiyao Ni, Chang Whan Oh, Jinghui Guo, Seon-Gyu Choi

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

A large rapakivi granite batholith in the Neo-Archaean/Palaeoproterozoic Odesan complex, northeastern Gyeonggi massif, South Korea, has been dated at 1839 ± 10 Ma using SHRIMP U-Pb analysis of zircons. The age, petrological and geochemical characteristics of this batholith are similar to those of the rapakivi granite batholiths exposed in the Rangnim massif of North Korea and in the Miyun-Chengde complex of North China. The country rocks of these rapakivi granite batholiths are also comparable; all are composed of granitic gneisses and banded iron formation (BIF)-bearing supracrustal rocks metamorphosed to amphibolite- to granulite-facies. This study provides new evidence for the suggestion that the Gyeonggi and Rangnim massifs may share an affinity with the Precambrian basement of the North China craton. The study provides new insight into the possible eastward extension of the Sulu orogenic belt in the Korean peninsula and further provides evidence to correlate the Korea basement to a possible global 2.1-1.8 Ga supercontinent.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalGeological Magazine
Volume142
Issue number1
DOIs
Publication statusPublished - 2005 Jan 1

Fingerprint

rapakivi
batholith
Proterozoic
zircon
granite
supracrustal rock
banded iron formation
supercontinent
country rock
granulite facies
amphibolite
orogenic belt
craton
Archean
Precambrian

Keywords

  • Granite
  • Rapakivi
  • SHRIMP data
  • South Korea
  • Zircon

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

SHRIMP zircon age of a Proterozoic rapakivi granite batholith in the Gyeonggi massif (South Korea) and its geological implications. / Zhai, Mingguo; Ni, Zhiyao; Oh, Chang Whan; Guo, Jinghui; Choi, Seon-Gyu.

In: Geological Magazine, Vol. 142, No. 1, 01.01.2005, p. 23-30.

Research output: Contribution to journalArticle

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