Guanwushan Formation

Geology

Members: unnamed (3)

Lithologies: "shale" (1), marl (1), "limestone" (2)

Paleoenvironments: reef, buildup or bioherm (2), perireef or subreef (1)

Age range: Givetian or 387.95000 to 382.31000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Givetian387.95 - 382.31China (Sichuan) (74632 74633 239308)