This finding suggests that the dolostone samples were deposited from suboxic to iron-enriched and anoxic waters.
Shangyi Gu, Yong Fu, Jianxi Long 2019, 'Predominantly Ferruginous Conditions in South China during the Marinoan Glaciation:Insight from REE Geochemistry of the Syn-glacial Dolostone from the Nantuo Formationin Guizhou Province, China', Mineralshttps://www.mdpi.com/2075-163X/9/6/348. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)