Yu’anshan Member

Geology

Formation: Helinpu

Lithologies: mudstone (1)

Paleoenvironments: marine indet. (1)

Age range: Tommotian or 525.50000 to 521.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tommotian525.5 - 521.0China (Yunnan) (210579)