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HAL Id: halshs-00009681 https://halshs.archives-ouvertes.fr/halshs-00009681 Submitted on 20 Mar 2006 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés. First hominin from the Basal Member of the Hadar Formation, Dikika, Ethiopia Zeresenay Alemseged, Jonathan Wynn, William Kimbel, Denné Reed, Denis Geraads, René Bobe To cite this version: Zeresenay Alemseged, Jonathan Wynn, William Kimbel, Denné Reed, Denis Geraads, et al.. First ho- minin from the Basal Member of the Hadar Formation, Dikika, Ethiopia. Journal of Human Evolution, Elsevier, 2005, 49, pp.499-514. <halshs-00009681>

First hominin from the Basal Member of the Hadar Formation, Dikika

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HAL Id: halshs-00009681https://halshs.archives-ouvertes.fr/halshs-00009681

Submitted on 20 Mar 2006

HAL is a multi-disciplinary open accessarchive for the deposit and dissemination of sci-entific research documents, whether they are pub-lished or not. The documents may come fromteaching and research institutions in France orabroad, or from public or private research centers.

L’archive ouverte pluridisciplinaire HAL, estdestinée au dépôt et à la diffusion de documentsscientifiques de niveau recherche, publiés ou non,émanant des établissements d’enseignement et derecherche français ou étrangers, des laboratoirespublics ou privés.

First hominin from the Basal Member of the HadarFormation, Dikika, Ethiopia

Zeresenay Alemseged, Jonathan Wynn, William Kimbel, Denné Reed, DenisGeraads, René Bobe

To cite this version:Zeresenay Alemseged, Jonathan Wynn, William Kimbel, Denné Reed, Denis Geraads, et al.. First ho-minin from the Basal Member of the Hadar Formation, Dikika, Ethiopia. Journal of Human Evolution,Elsevier, 2005, 49, pp.499-514. <halshs-00009681>

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Electron Microprobe Data (EMP)

CaO SiO2 Al2O3 Na2O K2O MgO Fe2O3 TiO2 P2O5 MnO F BaO ZrO2 Total

E02-1051 0.29 70.78 11.79 4.80 2.40 0.06 1.52 0.14 0.04 0.09 0.12 0.08 0.07 92.17 Avg

0.03 0.80 0.23 0.31 0.21 0.02 0.30 0.12 0.04 0.08 0.12 0.10 0.10 SD

10.4 1.1 1.9 6.5 8.7 38.3 19.8 90.5 110.8 93.8 96.2 124.2 143.1 % err.

E02-1067 0.29 72.24 12.87 5.29 2.07 0.06 1.62 0.15 0.05 0.06 0.08 0.09 0.08 94.95 Avg

0.04 0.68 0.25 0.82 0.18 0.02 0.31 0.10 0.06 0.05 0.07 0.13 0.08 SD

12.4 0.9 1.9 15.6 8.6 35.8 19.0 70.9 115.2 76.6 84.1 140.8 99.9 % err.

X-ray Fluorescence Data (XRF)

E02-1051 Ba Rb Zn Zr Sc Sr Cr Cu F K2O MgO Ni P2O5 V

298 100.2 80 450 4 55.3 n/d 4 267 2.057 0.438 6 0.04 66

Inductively-coupled Plasma Mass Spectrometry Data (ICP-MS)

E02-1051 Ce Nb Y Ag As Be Bi Cd Cs Dy Er Eu Ga Gd Ge Hf

169.2 82.1 72.8 n/d 1.1 5.1 0.1 n/d 1.25 12.56 7.19 1282 21 12.4 1.5 12.3

E02-1051 Ho La Lu Mo Nd Pb Pr Sb Sm Sn Ta Tb Th U Yb Total

2.75 84.44 1.13 3.9 73.46 16.7 17.38 n/d 14.01 6.6 5.8 2.2 17.2 4.4 6.84 100.1

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DIK-2 A.afarensis A.anamensis A.ramidus

Mean 11.15 9.5 9.9 7.9

P3MD Min 7.9 9.3 7.5

Max 12.6 9.0 8.2

Mean 13.8 10.5 10.9 10.7

P3BL Min 8.9 9.5 9.9

Max 12.6 12.0 11.5

Mean 14.65 13 12.74 11.1

M1MD Min 10.1 11.5 11

Max 14.8 13.8 11.1

Mean 14.03 12.3 11.99 10.3

M1BL Min 11 10.2 10.2

Max 14.8 13.5 103

Mean 18.1 15.1 14.63 12.7

M3MD Min 13.4 13.7 ?

Max 17.4 17 ?

Mean 14.7 13.4 12.75 11

M3BL Min 11.3 11.9 ?

Max 15.3 13.4 ?

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