Lower Allen Member

Geology

Group: Malargüe

Formation: Allen

Lithologies: not reported (1), mudstone (2), siltstone (5), sandstone (13), conglomerate (1), lime mudstone (1)

Paleoenvironments: terrestrial indet. (2), fluvial indet. (14)

Age range: base of the Ediacaran to the top of the Holocene or 635.00000 to 0.00000 Ma
Collections

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ediacaran635.0 - 541.0Canada (Northwest Territories) (10433 231367)
Ediacaran635.0 - 541.0Kazakhstan (10693)
Ediacaran635.0 - 541.0India (Himachal Pradesh) (224773 224774)
Ediacaran635.0 - 541.0India (Andhra Pradesh) (225060)
Ediacaran635.0 - 541.0USA (North Carolina) (10257 10258 10259)
Ediacaran635.0 - 541.0Australia (South Australia) (10514 10515 10516 10517)
Ediacaran635.0 - 541.0USA (California) (7181 7178 10549 231329)
Ediacaran635.0 - 541.0Spain (205645)
Ediacaran635.0 - 541.0India (Madhya Pradesh) (226634)
Ediacaran635.0 - 541.0USA (Nevada) (7180 7177 212257 231412)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Calabrian1.8 - 0.774Japan (Kanagawa) (46043)
Irvingtonian1.8 - 0.3USA (Texas) (20411 20412)
Irvingtonian1.8 - 0.3USA (Kansas) (20137 20165 20422 20423 20424)
Irvingtonian1.8 - 0.3USA (California) (20155)
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)