Catalogue of Fossil Hominids Database

トップページ >> africa

« Natron. | トップページへ | Garusi. »

Placename

Laetolil.

Latitude / Longitude

-3.183333333
35.2

data

ID:10179
A:Laetolil.
X:a
B:Open sites, faunal localities 1(LH 1), 3(LH 2), 5(LH 7, 12), 7(LH 3, 4, 6), 8(LH 5, 13), 1OW(LH 10, 11), 11(LH 8), 19(LH 14), within an area of about 30 km2, in the southern Serengeti Plans at the northern margin of the Eyasi Plateau in the divide between the Olduvai and Eyasi drainage systems.
C:0311S
D:3512E
E:M.Muoka, 1974(LH 1); M.Muluila, 1974(LH 2); M.Muoka, 1975(LH 3, 6, 7); M.Muluila, 1975(LH 4, 5); E.Kandini, 1975(LH 8, 10, 11, 12, 14); M.Jackes, 1975(LH 13).
F:Laetolil Beds. P.E.Kent 1941, The recent history and the Pleistocene deposits of the plateau north of Lake Eyasi, Tankanyika,Goel. Mag., 78: 173-184. Aeolian tuffs: in upper 30 m beneath a possible discontinuity. R.L.Hay 1976, Geology of the Olduvai Gorge, Menlo Park: 187. Laetolil Beds: upper part of aeolian tuffs underlying pale yellow vitric tuff(tuff d). Below tuff c (LH 1, 2, 3, 4, 6); above tuff a(LH 8,14); below tuff a(LH 10,11). M.D.Leakey, R.L.Hay, G.H.Curtis, R.E.Drake, M.K.Jackes and T.D.White 1976, Fossil hominids from the Laetolil Beds, Nature, Lond., 262: 460-466.
H:Upper Pliocene.
I:No trace of stone tools of even of utilised bone of stone. M.D.Leakey et al. 1976.
J:Ceropithecinae; Colobinae; Viverridae; Hyaenidae; Felidae; mach airodont; Rondentia: Pedetes, Saccostomus, Hystrix; Perissodactyla: Hipparion, Ceratotherium, Diceros; Artiodactyla: Potamachoerus, Notochoerus, Ancylotherium, Orycteropus, Sivatherium, Giraffa jumae, Madoqua; Proboscidea: Deinotherium, Loxodonta; Aves; Reptilia. M.D.Leakey et al. 1976. Two faunal horizons are represented in the Laetolil area. V.J.Maglio 1969, The status of the East African Elephant 'Archidiscodon exoptatus' Dietrich 1942, Breviora, no.336: 1-25.
L:A3: > 30 Myr on basis of K/Ar dating of overlying vogosite lava: 2-39 +- 0-09 Myr. R.L.Hay 1976. A3: > 3-59 Myr on basis of K/Ar and 40Ar/39Ar dating of tuff c. 3-41 +- 0-08, 3-68 +- 0-09, 3-69 +- 0-10 Myr (LH 1, 2, 3, 4, 6, 14); < 3-77 Myr on basis of K/Ar dating of biotite from tuff 50 m. below tuff c. : 3-71 +- 0-12, 3-82 +- 0-16 Myr(LH10, 11). M.D.Leakey et al. 1976.
M:L.H. 1. rt P4(f). LH 2. juvenile: corpus mandibulae, rt I1, I2, dc, dm1, dm2, M1; lt I1, I2, dc, dm1, dm2, M1. LH 3. isolated dentes including upper dc, dm1, dm2, C. Associated with LH 6. LH 4. adult: corpus mandibulae, rt C-M3; lt CM, P3(f) P4-M2. LH 5. adult: upper I2-M1. LH 6. juvenile: isolated upper permanent and deciduous dentes. Associated with LH 3. LH 7. rt M1 of 2(f). LH 8. rt M2, M3. LH 10 lt corpus mandibulae(f), dentes(roots). LH 11. lt M1 or 2. LH 12. lt M1 or 2(f). LH 13. rt corpus mandibulae(f), dentes(roots). LH 14. isolated lower dentes.

map

周辺の地図を見る