Guotang Formation

Geology

Members: unnamed (7)

Lithologies: mudstone (1), "shale" (6), "limestone" (4)

Paleoenvironments: marine indet. (1), shallow subtidal indet. (4), transition zone/lower shoreface (2)

Age range: Tremadoc or 486.40000 to 477.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tremadoc486.4 - 477.1China (Hunan) (235391)
Tremadoc486.4 - 477.1China (Guizhou) (7364 7365 7366 7367 7368 7369)