Carbonate factories and their critical control on the geometry of carbonate platforms (mid-Cretaceous, southern Iran)

doi:10.1016/j.palaeo.2023.111680

	Carbonate factories and their critical control on the geometry of carbonate platforms (mid-Cretaceous, southern Iran)
	Xu, Yiwei 2,3; Hu, Xiumian 3; Garzanti, Eduardo 4; Sun, Gaoyuan 1; Jiang, Jingxin 3; Li, Juan 2; Zhang, Shijie 5; Schlagintweit, Felix 6; Rao, Xin 2
刊名	PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
	2023-09-01
卷号	625 页码:16
关键词	Carbonate platform Platform geometry Microfacies Carbonate factory Mid-Cretaceous Iran
ISSN号	0031-0182
DOI	10.1016/j.palaeo.2023.111680
通讯作者	Hu, Xiumian(huxm@nju.edu.cn)
英文摘要	Tropical rimmed platforms represent a much more efficient protection from coastal erosion than carbonate ramps. Understanding the controlling factors of platform geometry is therefore crucial to predict the fate of rimmed platforms under global-warming conditions. Here, we present detailed biostratigraphic, sedimentological, geochemical, and high-resolution carbon-isotope analyses of mid-Cretaceous (Albian-Cenomanian) carbonate rocks well exposed in the Khormoj section located in the Zagros Mountains of southern Iran. Sixteen microfacies were identified, allowing us to define the superposition of different platform geometries, a carbonate ramp in the Albian and a rimmed platform in the Cenomanian. Biostratigraphic and carbon-isotope analyses allowed us to identify the OAE1b, OAE1d, and Middle Cenomanian events in the Khormoj section. The paleo-depth changes documented by carbonate microfacies testify to two transgressive events that can be correlated with long-term eustatic curves during the ramp stage. The Albian ramp was formed by orbitolinids under high siliciclastic input whereas the Cenomanian rimmed platform was built by rudists during clear water conditions. These two carbonate factories have drastic different carbonate sedimentation modes. The orbitolinid factory is characterized by a low carbonate production rate and fine carbonate grains resulting in ramp geometry, whereas the rudist factory is characterized by a high carbonate production rate and coarse carbonate grains leading to a rimmed platform geometry.
资助项目	National Natural Science Foundation of China[42072124] ; National Natural Science Foundation of China[42072117] ; National Natural Science Foundation of China[42202118] ; National Natural Science Foundation of China[2023-LAMD-K10] ; Open Research Fund of State Key Laboratory of Mineral Deposit Research at Nanjing University ; Jiangsu Funding Program for Excellent Postdoctoral Talent ; [41888101]
WOS关键词	DEPOSITIONAL SEQUENCES ; ISOTOPIC COMPOSITION ; LARGER FORAMINIFERA ; FORELAND BASIN ; STRATIGRAPHY ; EVOLUTION ; ZAGROS ; RECORD ; SHELF ; ENVIRONMENTS
WOS研究方向	Physical Geography ; Geology ; Paleontology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:001058354500001
资助机构	National Natural Science Foundation of China ; Open Research Fund of State Key Laboratory of Mineral Deposit Research at Nanjing University ; Jiangsu Funding Program for Excellent Postdoctoral Talent
内容类型	期刊论文
源URL	[http://ir.nigpas.ac.cn/handle/332004/42695]
专题	中国科学院南京地质古生物研究所
通讯作者	Hu, Xiumian
作者单位	1.Hohai Univ, Coll Oceanog, Nanjing 210098, Peoples R China 2.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China 3.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China 4.Univ Milano Bicocca, Dept Earth & Environm Sci, I-20126 Milan, Italy 5.Henan Normal Univ, Coll Tourism, Xinxiang 453000, Peoples R China 6.Lerchenauer Str 167, D-80935 Munich, Germany
推荐引用方式 GB/T 7714	Xu, Yiwei,Hu, Xiumian,Garzanti, Eduardo,et al. Carbonate factories and their critical control on the geometry of carbonate platforms (mid-Cretaceous, southern Iran)[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2023,625:16.
APA	Xu, Yiwei.,Hu, Xiumian.,Garzanti, Eduardo.,Sun, Gaoyuan.,Jiang, Jingxin.,...&Rao, Xin.(2023).Carbonate factories and their critical control on the geometry of carbonate platforms (mid-Cretaceous, southern Iran).PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,625,16.
MLA	Xu, Yiwei,et al."Carbonate factories and their critical control on the geometry of carbonate platforms (mid-Cretaceous, southern Iran)".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 625(2023):16.