Hongyanjing Formation

Geology

Members: unnamed (1)

Lithologies: "shale" (1)

Paleoenvironments: lacustrine indet. (1)

Age range: Olenekian or 251.20000 to 247.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Olenekian251.2 - 247.2China (Gansu) (105775)