Blacks Fork Member

Geology

Formation: Bridger

Lithologies: not reported (28), sandstone (1)

Paleoenvironments: terrestrial indet. (28), crevasse splay (1)

Age range: base of the Bridgerian to the top of the Ypresian or 50.30000 to 47.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8USA (Wyoming) (185669)
Bridgerian50.3 - 46.2USA (Wyoming) (70145 75120 176700 176701 176702 176703 176704 176705 176706 176707 176708 176709 176710 176711 176712 176714 176715 176716 176717 176718 176719 176720 176721 176722 176723 176724 176725 176726)