Raya Formation

Geology

Members: unnamed (7)

Lithologies: "shale" (7), sandstone (7)

Paleoenvironments: delta plain (7)

Age range: base of the Atdabanian to the top of the Early/Lower Pleistocene or 521.00000 to 0.77400 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Atdabanian521.0 - 516.0Russian Federation (Chitinskaya oblast) (49373 49374 49376 49377 49378 49379 49380 49381 49382 49388 49389 49390 49391 49392)
Botomian516.0 - 512.1Russian Federation (Chitinskaya oblast) (49383 49384 49385 49386 49387)
Botomian - Lenian516.0 - 508.2Russian Federation (Transbaikalia) (10007)
Tremadoc486.4 - 477.1Bolivia (8802)
Sakmarian - Artinskian293.52 - 283.3Japan (165692)
Wordian266.9 - 264.28Japan (118972)
Capitanian264.28 - 259.51Japan (62292 118970 118971)
Wuchiapingian259.51 - 254.14Japan (118973)
Triassic251.902 - 201.4Argentina (San Juan) (141599)
Rhaetian205.7 - 201.4Tunisia (Banzart) (42088 42090)
Early/Lower Jurassic201.4 - 174.7Argentina (Mendoza) (200135)
Early/Lower Sinemurian199.5 - 192.9Argentina (Mendoza) (140293)
Late/Upper Sinemurian199.5 - 192.9Argentina (Mendoza) (201506 201507 201508)
Late/Upper Valanginian - Early/Lower Hauterivian137.05 - 125.77Mexico (239830)
Early/Lower Aptian121.4 - 119.57Mexico (Puebla) (228379)
Aptian121.4 - 113.2Mexico (69900 69905 69906 160722)
Aptian121.4 - 113.2Mexico (Puebla) (64014 64015 143830 226346 226347 226348 226349 226350 226355)
Albian - Cenomanian113.2 - 93.9Peru (Loreto) (144304 144305 144306 144307 144308 144309 144310)
Lutetian48.07 - 41.03Egypt (41913 41914)
Zanclean5.333 - 3.6Venezuela (179643)
Late/Upper Pliocene3.6 - 2.58Venezuela (79710 111010 111011 131237 131263)
Early/Lower Pleistocene2.58 - 0.774Japan (79697)