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Paleo-seawater REE compositions and microbial signatures preserved in laminae of Lower Triassic ooids

Li, Fei; Yan, Jiaxin; Burne, Robert; Chen, Zhongqiang; Algeo, Thomas; Zhang, Wen; Tian, Li; Gan, Yuanlu; Liu, Ke; Xie, Shucheng


Signals indicative of paleo-seawater rare earth element (REE) composition and microbial activity were identified in marine ooids from the Lower Triassic of South China using in situ laser ablation-inductively coupled plasma-mass spectroscopy (LA-ICP-MS) together with petrographic and isotope geochemical techniques. Quantitative trace element profiles were generated across successive growth laminae in the cortices of selected ooids. The shale-normalized REE and yttrium (Y) data of these layers...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Palaeogeography, Palaeoclimatology, Palaeoecology
DOI: 10.1016/j.palaeo.2017.04.005


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