Nachukui Formation

Geology

Group: Omo

Members: unnamed (1), Apak (1), Indeterminate (1), Kaitio (9), Kaiyumung (1), Kalochoro (7), Kalochoro/Lokalalei (1), Kataboi (4), Lokalalei (3), Lomekwi (10), Lomekwi/Lokalalei (1), Lonyumun,Kataboi (1), Muruongori (1), Nariokotome (5), Natoo (10), Natoo/Kaitio (1), Upper Lomekwi (1)

Lithologies: claystone (2), mudstone (3), siltstone (9), sandstone (39), conglomerate (1), tuff (1)

Paleoenvironments: fluvial indet. (14), fluvial-lacustrine indet. (26), lacustrine - small (8), lacustrine indet. (6)

Age range: base of the Zanclean to the top of the Late/Upper Pleistocene or 5.33300 to 0.01170 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tortonian - Zanclean11.62 - 3.6Kenya (22236)
Messinian - Zanclean7.246 - 3.6Kenya (22242)
Messinian - Piacenzian7.246 - 2.588Kenya (22237)
Zanclean5.333 - 3.6Kenya (22240)
Pliocene5.333 - 2.588Kenya (22321)
Zanclean - Piacenzian5.333 - 2.588Kenya (22235 22239)
Piacenzian3.6 - 2.588Kenya (Rift Valley) (21307 21308 21309 21310)
Piacenzian - Gelasian3.6 - 1.806Kenya (Rift Valley) (21344)
Late/Upper Pliocene - Early/Lower Pleistocene3.6 - 0.781Kenya (Rift Valley) (21287 21288 21289 21291 21292 21293 21352 21359)
Late/Upper Pliocene - Early/Lower Pleistocene3.6 - 0.781Kenya (21290)
Gelasian2.588 - 1.806Kenya (Rift Valley) (21279 21280 21281 21282 21283 21284 21285 21286 21300 21301 21302 21303 21304 21305 21342 21345 21346 21353 21354 21355 21356)
Gelasian2.588 - 1.806Kenya (22348)
Gelasian - Calabrian2.588 - 0.774Kenya (22342)
Gelasian - Calabrian2.588 - 0.774Kenya (Rift Valley) (21350)
Calabrian1.8 - 0.774Kenya (Rift Valley) (21294 21295 21296 21297 21298 21299 21306 21341 21343 21347 21348 21349 21351 21360 21361)
Late/Upper Pleistocene0.129 - 0.0117Kenya (197003)