Horseshoe Gulch unit Formation

Geology

Members: 5 (8)

Lithologies: "limestone" (8)

Paleoenvironments: carbonate indet. (8)

Age range: Ashgill or 449.50000 to 443.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Middle Ordovician - Late/Upper Ordovician471.3 - 443.1USA (California) (100865 100866 100867)
Ashgill449.5 - 443.1USA (California) (100645 100646 100647 100863 100864)