@article {30498,
	title = {Shale heavy metal isotope records of low environmental O<sub>2</sub> between two Archean oxidation events},
	journal = {Frontiers in Earth Science},
	volume = {10},
	year = {2022},
	pages = {833609},
	author = {CM Ostrander and B Kendall and G Gordon and SG Nielsen and W Zheng and A Anbar}
}