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논문 기본 정보

자료유형
학술저널
저자정보
Xiangyu Zhang (Shandong University of Science and Technology China) Shoujun Li (Shandong University of Science and Technology China) Xiuli Zhao (Shandong University of Science and Technology China) Geng Geng (Shandong University of Science and Technology China) Mingming Yan (Shandong University of Science and Technology China)
저널정보
한국지질과학협의회 Geosciences Journal Geosciences Journal Vol.24 No.4
발행연도
2020.1
수록면
359 - 377 (19page)

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To better understand the sedimentary environment of the rift basin under the influence of a warm global climate, Lingshan Island in eastern Shandong Province (China) was studied. Inorganic geochemical indexes (B, equivalent B, B/Ga, Ga, V, Couch’s palaeosalinity, Adams’s palaeosalinity, Sr/Ba, Sr/Cu, Rb/Sr, Al2O3/MgO, and CaO/MgO·Al2O3) were analyzed and a quantitative calculation of palaeosalinity was carried out based on the Adams and Couch methods. The sedimentary environment of the rift basin at Lingshan Island was determined according to the morphology and distribution of its palaeobiota as well as inorganic geochemical indexes. We demonstrate that eastern China had high-temperature drought-like conditions during the Early Cretaceous, which may have been influenced by the Faraoni event. The dry-hot climate transformed the rift basin at Lingshan Island into saline lacustrine basin. Therefore, the salinization of water was not influenced by seawater but was the response of terrestrial strata to the warm, dry climate. This study helps to understand the sedimentary background of Cretaceous rift basins in eastern China and the influence of a warm climate on China’s terrestrial strata.

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