F Member

Geology

Formation: Khunamuh

Lithologies: "shale" (7), "limestone" (8)

Paleoenvironments: marine indet. (6)

Age range: base of the Griesbachian to the top of the Dienerian or 251.90200 to 249.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Griesbachian251.902 - 250.5India (Kashmir) (48995 48996)
Dienerian250.5 - 249.9India (Kashmir) (115376 115377 115378 131956 131957 131958)