Comparison on ages of detrital zircons from the Paleoproterozoic to Lower Paleozoic sedimentary rocks in the Pyongnam Basin, Korea
文献类型：期刊论文
| 作者 | Yang JongHyok1; Peng Peng2; Jong CholSu1; Park Ung1; Mun JongGun1; Kin CholHyon1; Ku HyonChol1 |
| 刊名 | ACTA PETROLOGICA SINICA
 |
| 出版日期 | 2016 |
| 卷号 | 32期号:10页码:3155-3179 |
| 关键词 | Korean Peninsula Sino-Korean paleocontinent (North China paleocontinent) Pyongnam Basin Ages of detrital zircon Mesoproterozoic Lower Paleozoic |
| 文献子类 | Article |
| 英文摘要 | The Pyongnam Basin of the Sino-Korean paleocontinent (the North China paleocontinent) is about similar to 25000 km(2) and lies in Middle Korean Peninsula, with the low-grade metamorphosed (up to greenschist facies) Mesoproterozoic to Lower Paleozoic strata. There are also the Paleoproterozoic high-grade (amphibolite to granulite facies) strata in the basement. This paper reports LA-ICP MS U-Pb ages of detrital/metamorphic zircons to constrain the provenances of different strata, with implications for the regional evolution. The Jungsan Group/Complex belongs to the basement of the basin. The meta-sandstone shows distinct ca. 2500 similar to 2100 Ma ages, and the similar to 3650 Ma age was the oldest age known so far in Korean Peninsula. The sillimanite-garnet-bearing gneiss shows a prominent similar to 1850 Ma age peak (1859 +/- 9 Ma), which likely represents the age of metamorphism. It is thus suggested that the Jungsan Group was formed at 2100 similar to 1900 Ma and metamorphosed at similar to 1850 Ma. The Hwanghae Group distributes only in the center of Korean Peninsula, detrital zircons show significant similar to 1850 Ma age peak, with minor similar to 1250 Ma ages, and their provenance could be the Late Paleoproterozoic igneous and metamorphic rocks. Considering the deposition age of the Jikhyon Group, the Hwanghae Group was possibly deposited at 1250 similar to 1000 Ma. The Jikhyon Group is widely distributed in the basin. Ages of detrital zircons from the first formation, the Jangbong Fm., show a distinct similar to 1850 Ma peak, but there are only ca. 1000 similar to 1200 Ma and ca. 1400 similar to 1600 Ma peaks with few ages > 1800 Ma in the samples from the second and third groups, this indicates that the initial provenance of this group was the Paleoproterozoic basement, but then changed to the Mesoproterozoic rocks. It is further concluded that the deposition age of the Jikhyon Group is ca. 1000 similar to 900 Ma. The Hwangju Group has two age peaks, i.e., the similar to 1850 Ma and the similar to 2500 Ma, with minor ca. 1000 similar to 1200 Ma and 1400 similar to 1600 Ma ages, this indicate that the provenance is the Late Archean-Paleoproterozoic basement with some redeposited materials possibly from the Mesoproterozoic sediments (e.g., Jikhyon Group and/or Hwanghae Group). These age spectrums of the Pyongnam Basin are quite similar to those coeval sediments in the Liaodong and Shandong peninsulas, and the Mesoproterozoic-Neoproterozoic strata show distinguish ca. 1000 similar to 1200 Ma and ca. 1400 similar to 1600 Ma provenances. These rocks might be from other block(s) such as the Sao Francisco craton other than the North China continent itself. |
| WOS关键词 | SAO-FRANCISCO CRATON ; NORTH CHINA CRATON ; U-PB ; ARACUAI OROGEN ; MINAS-GERAIS ; BRAZIL ; GEOCHRONOLOGY ; CONSTRAINTS ; EVOLUTION ; SUCCESSIONS |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000388277000016 |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/53250]  |
| 专题 | 地质与地球物理研究所_岩石圈演化国家重点实验室 |
| 作者单位 | 1.State Acad Sci, Inst Geol, Pyongyang 3812100, Dem Rep Korea 2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yang JongHyok,Peng Peng,Jong CholSu,et al. Comparison on ages of detrital zircons from the Paleoproterozoic to Lower Paleozoic sedimentary rocks in the Pyongnam Basin, Korea[J]. ACTA PETROLOGICA SINICA,2016,32(10):3155-3179. |
| APA | Yang JongHyok.,Peng Peng.,Jong CholSu.,Park Ung.,Mun JongGun.,...&Ku HyonChol.(2016).Comparison on ages of detrital zircons from the Paleoproterozoic to Lower Paleozoic sedimentary rocks in the Pyongnam Basin, Korea.ACTA PETROLOGICA SINICA,32(10),3155-3179. |
| MLA | Yang JongHyok,et al."Comparison on ages of detrital zircons from the Paleoproterozoic to Lower Paleozoic sedimentary rocks in the Pyongnam Basin, Korea".ACTA PETROLOGICA SINICA 32.10(2016):3155-3179. |
入库方式： OAI收割
来源：地质与地球物理研究所
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