气候变化领域集成服务门户(CCPortal): Late Cretaceous–Paleogene palaeoclimate reconstruction of the Gippsland Basin; SE Australia

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DOI	10.1016/j.palaeo.2020.109885
	Late Cretaceous–Paleogene palaeoclimate reconstruction of the Gippsland Basin; SE Australia
	Jiang L.; Ding W.; George S.C.
发表日期	2020
ISSN	0031-0182
卷号	556
英文摘要	The Cretaceous–Paleogene palaeovegetation and palaeoclimate in the Gippsland Basin was reconstructed using vascular plant-derived biomarkers, and are consistent with other proxy evidence for palaeoclimate (e.g. spore-pollen assemblages and plankton foraminifera oxygen isotopes). Variation in the higher plant-derived aliphatic and aromatic sesquiterpenoids, diterpenoids and triterpenoids resulted from vegetation succession, and is different in the T. lilliei, F. longus, L. balmei, M. diversus, P. asperopolus and N. asperus palynological biozones. Analyses of the oleanane index, the higher plant parameter, the higher plant index, the higher plant fingerprint, and various aliphatic and aromatic angiosperm/gymnosperm indices indicate the late Cretaceous–Paleogene (ca. 80–40 Ma) palaeoclimate in the Gippsland Basin was initially warm (Campanian T. lilliei Biozone), and then changed in this way: → cool (Maastrichtian upper F. longus Biozone), → warm (Paleocene L. balmei Biozone), → hot (early Eocene M. diversus and P. asperopolus Biozones), → warm and then cool (middle Eocene N. asperus Biozone). This changing climate trend is mostly consistent with global climate changes. In comparison to the analogous Taranaki Basin (western New Zealand), the Gippsland Basin is inferred to have had a less gymnosperm-dominated rainforest and a warmer climate in the late Cretaceous. During the Paleogene the palaeoclimate was similar in the two basins, as deduced from the angiosperm/gymnosperm indices of the sedimentary rocks. © 2020 Elsevier B.V.
英文关键词	Angiosperm/gymnosperm index; Diterpenoids; Higher plant parameters; Taranaki Basin; Triterpenoids
语种	英语
scopus关键词	biomarker; biostratigraphy; Cretaceous-Paleogene boundary; Eocene; global climate; oxygen isotope; paleoclimate; planktonic foraminifera; proxy climate record; reconstruction; Australia; Gippsland Basin; New Zealand; Pacific Ocean; Taranaki Basin; Embryophyta; Foraminifera; Gymnospermae; Tracheophyta
来源期刊	Palaeogeography, Palaeoclimatology, Palaeoecology
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/150390
作者单位	Department of Earth and Environmental Sciences and MQ Marine Research Centre, Macquarie University, Sydney, NSW 2109, Australia; School of Energy Resources, China University of Geosciences, Beijing, 100083, China; Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Accumulation Mechanism, Ministry of Education, China University of Geoscience, Beijing, 100083, China; Beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development Engineering, Beijing, 100083, China
推荐引用方式 GB/T 7714	Jiang L.,Ding W.,George S.C.. Late Cretaceous–Paleogene palaeoclimate reconstruction of the Gippsland Basin; SE Australia[J],2020,556.
APA	Jiang L.,Ding W.,&George S.C..(2020).Late Cretaceous–Paleogene palaeoclimate reconstruction of the Gippsland Basin; SE Australia.Palaeogeography, Palaeoclimatology, Palaeoecology,556.
MLA	Jiang L.,et al."Late Cretaceous–Paleogene palaeoclimate reconstruction of the Gippsland Basin; SE Australia".Palaeogeography, Palaeoclimatology, Palaeoecology 556(2020).