Implications based on the first SHRIMP U–Pb zircon dating on Precambrian granitoid rocks in North Korea

Zhao, Guochun; Chen, Lin; Wilde, Simon A.; Sun, Min; Choe, Won Jong; Li, Sanzhong

doi:10.1016/j.epsl.2006.09.021

Cited by 179 publications

(61 citation statements)

References 57 publications

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“…The North China Basin developed on the North China craton (Dai et al, 2008a) and occurs in the northern part of the Sino-Korean craton (Zhao et al, 2006). It is surrounded by the Central Asian orogenic belt and Qinling-Dabie and Sulu orogens ( Fig.…”

Section: Geological Settingmentioning

confidence: 99%

Evidence of widespread wildfires in a coal seam from the middle Permian of the North China Basin

et al. 2017

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The North China Basin is the largest coal-bearing basin in China, and has an areal extent of 800,000 km 2 . We analyzed 138 coal samples and in situ pillar coal samples of the middle Permian from this basin by macropetrography, microscope, scanning electron microscope, gas chromatography, and gas chromatography-mass spectrometer in order to study wildfires. High contents of inertinite (charcoal) and natural coke particles observed in coal samples indicate that vegetation in precursor mires and peats of the middle Permian coal from north China was exposed to far-ranging wildfires. In addition, high-molecular-weight polycyclic aromatic hydrocarbons were detected in the coal samples. These aromatic compounds were formed under high temperatures and provide further evidence of wildfire. These wildfires would have discharged significant CO and CO 2 gases into the atmosphere and affected the paleoclimate and paleoecosystem. LITHOSPHERE

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Section: Geological Settingmentioning

confidence: 99%

Evidence of widespread wildfires in a coal seam from the middle Permian of the North China Basin

et al. 2017

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“…1a; Zhao et al, 1999aZhao et al, ,b, 2000Zhao et al, , 2001Zhao et al, , 2005Zhao et al, , 2006Zhao et al, , 2007Zhao et al, , 2008aTrap et al, 2007;Liu et al, 2006;Zhang et al, 2006Zhang et al, , 2007Zhang et al, , 2009aLi et al, 2010b;Wang et al, 2010a,b). The Western Block is further subdivided into the Yinshan Block in the north and the Ordos Block in the south, which amalgamated along the Khondalite Belt at ∼1.95 Ga ( Fig.…”

Section: Geological Setting and Petrographymentioning

confidence: 99%

Mesoproterozoic high Fe–Ti mafic magmatism in western Shandong, North China Craton: Petrogenesis and implications for the final breakup of the Columbia supercontinent

Peng

Wilde

et al. 2013

Precambrian Research

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“…후기 시생대 암석은 남중 국지괴에서는 흔히 보고되지 않는 반면에, 데본기의 퇴적층은 북중국지괴에서는 흔히 볼 수 없기 때문이 다 (Metcalfe, 2006). 후기 시생대의 암석은 한반도의 북쪽, 북한의 영토에 해당되는 낭림육괴에서 간헐적 으로 보고되었지만 (Zhao et al, 2006;Wu et al, 2007) (Lee et al, 2000;Jeong et al, 2008;Kim et al, 2008a;Williams et al, 2009;Kim et al, 2011;Cheong and Kim, 2012). 이 편마암류 암석들을 서산층군과 태안층, 그리고 중생대 대동누층군의 암석들이 부정 합으로 덮고 있다 (Na et al, 1982;Cho et al, 2006;Kim et al, 2008b;Cho et al, 2010;Jeon and Cho, 2007;Lim and Cho, 2012;Na et al, 2012;So et al, 2013).…”

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Lithology and Geology of Deokjeok Island, Western Gyeonggi Massif, Central Korea

Aum¹,

Kim²,

Cheong³

2013

The Journal of the Petrological Society of Korea

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We investigated the lithology and petrography of granites and metasedimentary rocks in Deokjeok Island at the western margin of the Gyeonggi massif. The major lithology comprises the biotite granite that intrudes all other types of rocks. A minor amount of mylonitized porphyritic granite crops out along the southeastern coast. Metasedimentary rocks in the north are further divided into: (1) sheared quartzite-schist to the northeast; and (2) relatively less-deformed, low-grade metasedimentary rocks to the northwest. The former contains quartz grains showing undulatory extinction and subgrain aggregates as well as minor amount of primary chlorite and biotite in the muscovite-rich matrix. Metamorphic condition belongs to the greenschist facies or the biotite zone. On the other hand, the latter unit consists of metaconglomerate, meta-sandstone, meta-pelite, and black slate. Regardless of the lithology, the intensity of deformation apparently increases eastward to develop the flow banding of quartz in the shear zone.

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Implications based on the first SHRIMP U–Pb zircon dating on Precambrian granitoid rocks in North Korea

Cited by 179 publications

References 57 publications

Evidence of widespread wildfires in a coal seam from the middle Permian of the North China Basin

Evidence of widespread wildfires in a coal seam from the middle Permian of the North China Basin

Mesoproterozoic high Fe–Ti mafic magmatism in western Shandong, North China Craton: Petrogenesis and implications for the final breakup of the Columbia supercontinent

Lithology and Geology of Deokjeok Island, Western Gyeonggi Massif, Central Korea

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