@article{67c1416b608a46e7ad86beea473a5bee,
title = "Middle Ordovician Upwelling-Related Ironstone of North Wales: Coated Grains, Ocean Chemistry, and Biological Evolution",
keywords = "Wales, biologic evolution, coated grains, ferruginous seawater, geochemistry, ironstone, sedimentology, upwelling",
author = "Dunn, \{Sarah K.\} and Pufahl, \{Peir K.\} and Murphy, \{J. Brendan\} and Stephen Lokier",
year = "2021",
month = aug,
day = "18",
doi = "10.3389/feart.2021.669476",
language = "English",
volume = "9",
journal = "Frontiers Earth Science",
issn = "2296-6463",
publisher = "Frontiers Media S.A.",
}