Emerson, L.F.; Retallack, G.J.; Hughes, B.G.
(Museum of Natural History,
University of Oregon, 2022-08)
Deposition of the shallow marine sandstone of Floras Lake was interrupted by a transient del-taic progradation of redeposited volcanic tuff, which contains the Cape Blanco flora. Dating by 40Ar/39Ar on fresh plagioclase ...