https://www.usgs.gov/publications/pumice-interglacial-whidbey-formation-blowers-bluff-central-whidbey-island-wa-usa
A new 40Ar/39Ar age of 128??9 ka and chemical analyses of pumice layers from interglacial alluvium at Blowers Bluff, Whidbey Island, WA, show that the deposits...
whidbey formationpumiceinterglacialblowersbluff
https://www.usgs.gov/publications/two-middle-pleistocene-glacial-interglacial-cycles-valle-grande-jemez-mountains
A long-lived middle Pleistocene lake formed in the Valle Grande, a large moat valley of the Valles caldera innorthern New Mexico, when a post-caldera eruption...
middle pleistocenevalle grandetwoglacialcycles