Guniutan Formation

Geology

Members: unnamed (15)

Lithologies: "shale" (2), lime mudstone (2), grainstone (1), "limestone" (11), "carbonate" (2)

Paleoenvironments: carbonate indet. (4), shallow subtidal indet. (2), deep subtidal shelf (7), offshore shelf (2)

Age range: base of the Early/Lower Llanvirn to the top of the Llandeilo or 468.00000 to 458.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Darriwilian469.4 - 458.2China (Guizhou) (222776 222777 222778 222779)
Early/Lower Llanvirn468.0 - 461.1China (JiangSu) (7939)
Early/Lower Llanvirn468.0 - 461.1China (AnHui) (7853)
Early/Lower Llanvirn468.0 - 461.1China (Hubei) (4713)
Llanvirn468.0 - 458.2China (JiangSu) (7932)
Llanvirn468.0 - 458.2China (Hubei) (7726)
Llanvirn468.0 - 458.2China (Sichuan) (7647)
Late/Upper Llanvirn461.1 - 458.2China (AnHui) (7852)
Late/Upper Llanvirn461.1 - 458.2China (JiangSu) (7938)
Late/Upper Llanvirn461.1 - 458.2China (Hubei) (4712)
Llandeilo461.1 - 458.2China (Hunan and Hubei) (7716)
Llandeilo461.1 - 458.2China (Hunan) (7690)