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Kibish Formation

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Stratigraphic relations between the <b>Kibish</b> <b>Formation</b> in its type area and a...
Published: 09 November 2017
Figure 2 Stratigraphic relations between the Kibish Formation in its type area and at Natodomeri I, where KNM-ND 59673 was recovered.
Journal Article
Published: 01 January 2006
Journal of the Geological Society (2006) 163 (1): 185-204.
... the Omo–Turkana Basin at the time was low. Thus the record of climatic influence on deposition in the Omo–Turkana Basin, previously shown for the Kibish Formation (≤200 ka), extends at least to early Pleistocene time. 17 6 2005 14 12 2004 © 2006 The Geological Society of London 2006...
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Journal Article
Published: 09 November 2017
Journal of Paleontology (2018) 92 (2): 305-312.
...Figure 2 Stratigraphic relations between the Kibish Formation in its type area and at Natodomeri I, where KNM-ND 59673 was recovered. ...
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Image
Map of the region near the Natodomeri fossil sites. Strata at these sites a...
Published: 09 November 2017
Figure 1 Map of the region near the Natodomeri fossil sites. Strata at these sites are at the same elevation as strata in the type area of the Kibish Formation in the NE corner of this map. Contours above 455 m are not shown.
Journal Article
Published: 01 January 2006
Journal of the Geological Society (2006) 163 (1): 205-220.
...Ian McDougall; Francis H. Brown Abstract The Plio-Pleistocene Koobi Fora Formation, about 560 m thick, crops out east of Lake Turkana and is part of the much larger depositional system of the Omo–Turkana Basin. The upper half of the Koobi Fora Formation from just below the KBS Tuff to above...
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Image
Composite stratigraphic sections of the main <b>formations</b> in the Omo–Turkana ...
Published: 01 March 2012
a significant hiatus, and that for the Nachukui Formation is derived from Harris et al. (1988) with minor modification. The sequence at Kanapoi, to the east of Loperot, is after Leakey et al. (1998) and Feibel (2003) , and the sequence at Kibish to the north of Lake Turkana is after Brown & Fuller
Journal Article
Published: 01 January 1979
Bulletin de la Société Géologique de France (1979) S7-XXI (3): 259-263.
...J. L. Ballais GeoRef, Copyright 2004, American Geological Institute. 1979 Africa Cenozoic cuestas East Africa erosion features Ethiopia fault scarps geomorphology Holocene Kibish Formation landform evolution lower Pleistocene Nakwas Neogene Omo River Omo Valley...
Journal Article
Published: 01 March 2012
Journal of the Geological Society (2012) 169 (2): 213-226.
... a significant hiatus, and that for the Nachukui Formation is derived from Harris et al. (1988) with minor modification. The sequence at Kanapoi, to the east of Loperot, is after Leakey et al. (1998) and Feibel (2003) , and the sequence at Kibish to the north of Lake Turkana is after Brown & Fuller...
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Journal Article
Published: 01 March 2008
Journal of the Geological Society (2008) 165 (2): 549-562.
... ) in the Kibish area ( Fig. 1 ), and there it contains pumice clasts at a locality named Harpoon Hill. Thus, the Nkalabong Formation belongs to the Omo Group, and is at least partly equivalent to the Shungura Formation. The Ninikaa Tuff, defined by Brown & Cerling (1982) with its type locality...
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Journal Article
Journal: Geology
Published: 01 December 2008
Geology (2008) 36 (12): 967-970.
... species, and even the existence of some species ( Rightmire, 2008 ; Tattersall and Schwartz, 2008 ). The apparently oldest fossils assigned to H. sapiens are from the Kibish Formation in the Omo, bracketed by 40 Ar/ 39 Ar dates to between 104 ± 14 ka and 196 ± 4 ka, with an inferred age of 195 ± 10 ka...
FIGURES
Journal Article
Journal: Geology
Published: 01 June 2001
Geology (2001) 29 (6): 499-502.
.... , Brown , F.W. , and Thruber , D.L. , 1969 , Horizontal sediments of the lower Omo valley; the Kibish formation : Quaternaria , v. 11 p. 15 – 29 . Clarke , M.C.G. , Woodhall , D.G. , Allen , D. , and Darling , G. , 1990 , Geological, volcanological and hydrogeological...
FIGURES
Journal Article
Published: 01 January 2004
Geological Magazine (2004) 141 (1): 41-53.
... Foundation to F. H. Brown for work on the Koobi Fora and Nachukui formations, by grants to John G. Fleagle and F. H. Brown for work on the Kibish Formation, and by grants to Meave G. Leakey for work at Koobi Fora, Lothagam and Kanapoi. Analytical work for K/Ar and 40 Ar/ 39 Ar dating was supported...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 February 2000
GSA Bulletin (2000) 112 (2): 163-176.
...) . The seismically and volcanically active Turkana-Omo rift is to the east of the Lotikipi-Kibish rift, and it branches northward into the North Omo and Usno basins ( Figs. 3 and 4 ). The Kibish basin marks the northward extent of the West Turkana rift of northern Kenya, which contains Eocene(?)–Oligocene...
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Journal Article
Journal: Geology
Published: 01 September 2007
Geology (2007) 35 (9): 831-834.
... of Human Evolution , v. 49 pp. 316 - 334 doi: 10.1016/j.jhevol.2005.04.006. Hendy , C.H. , 1971 , The isotopic geochemistry of speleothems: I. The calculation of the effects of different modes of formation on the isotopic composition of speleothems and their applicability as palaeoclimatic...
FIGURES
Journal Article
Published: 23 November 2017
Petroleum Geoscience (2018) 24 (1): 21-40.
..., considerable variation in how the Rift's form and forces of formation are imagined. For example, as Ghebreab (1998) pointed out, the Red Sea rifting has been imagined as both passive and active, controlled by uniform simple shear as well as by diffuse shear and normal faulting, with a crust almost entirely...
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Journal Article
Published: 01 May 2008
American Mineralogist (2008) 93 (5-6): 784-795.
... ages, or calibration of the geomagnetic polarity timescale. 10 12 2007 22 11 2006 © 2008 American Mineralogist 2008 Biotite sanidine 40 Ar/ 39 Ar recoil Bridger Formation Wagon Bed Formation Wind River Formation EPMA tephra tuff volcanic ash Advances in the 40...
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Series: AAPG Memoir
Published: 01 January 2013
DOI: 10.1306/13351553M1001742
EISBN: 9781629810010
... affecting a stratified basement that cannot be clearly identified (sedimentary formation? or Precambrian basement?) (Figure 6 ). Permission to conduct field geologic research in the West Turkana Basin was provided by the Office of the President and the Ministry of Education, Science and Technology...
Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.259.01.17
EISBN: 9781862395077
... strike across the Turkana lacustrine plain where they post-date Plio-Pleistocene Hominid sediments of the Nachukui Formation ( Harris et al. 1988 ; Roche et al. 1999 ). Other fault structures in the KFZ swing towards a north—south direction and branch into the Lapurr extensional master fault system...
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