Klondike Mountain Formation

Geology

Members: unnamed (3), Tom Thumb (11), Tom Thumb Tuff (4)

Lithologies: not reported (1), mudstone (12), "shale" (2), conglomerate (2)

Paleoenvironments: fluvial-lacustrine indet. (2), lacustrine - large (13), lacustrine indet. (3)

Age range: base of the Ypresian to the top of the Lutetian or 56.00000 to 41.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8USA (Washington) (103206 104761 119947 124086 138694 147822 147823 147824 147825 192233 218747 227992)
Lutetian47.8 - 41.3USA (Washington) (189960 189961)
Lutetian - Bartonian47.8 - 38.0USA (Washington) (11537 11538 11539)
Middle Eocene47.8 - 37.71USA (Washington) (210134)