Lower Jiaguan Member

Geology

Group: Chiating

Formation: Jiaguan

Lithologies: mudstone (1), sandstone (2)

Paleoenvironments: terrestrial indet. (1), fluvial indet. (1)

Age range: base of the Poundian to the top of the Holocene or 570.00000 to 0.00000 Ma
Collections

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ediacaran635.0 - 538.8USA (Nevada) (7177 7180 212257 231412 240951)
Ediacaran635.0 - 538.8Canada (Northwest Territories) (10348 10349 10433 237618 237619 237622 237623)
Ediacaran635.0 - 538.8China (Guizhou) (112153)
Ediacaran635.0 - 538.8Canada (Yukon) (10354 10361 240926)
Ediacaran635.0 - 538.8India (Madhya Pradesh) (226634)
Ediacaran635.0 - 538.8India (Himachal Pradesh) (224773 224774)
Ediacaran635.0 - 538.8Australia (Northern Territory) (10511)
Ediacaran635.0 - 538.8Spain (10573 237440 237503)
Ediacaran635.0 - 538.8Norway (Finnmark) (10250)
Ediacaran635.0 - 538.8Kazakhstan (10693)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Calabrian1.8 - 0.774Japan (Kanagawa) (46043)
Irvingtonian1.4 - 0.21USA (Texas) (20411 20412)
Irvingtonian1.4 - 0.21USA (California) (20155)
Irvingtonian1.4 - 0.21USA (Kansas) (20137 20165 20422 20423 20424)
Middle Pleistocene0.774 - 0.129Japan (Chiba) (96893)
Middle Pleistocene0.774 - 0.129Bolivia (Chuquisaca) (70704)
Middle Pleistocene - Quaternary0.774 - 0.0India (Hoshangabad, Madhya Pradesh) (13447)
Late/Upper Pleistocene0.129 - 0.0117Canada (New Brunswick) (73665)
Late/Upper Pleistocene0.129 - 0.0117Argentina (Corrientes) (187628)
Holocene0.0117 - 0.0USA (Louisiana) (41934)