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Colocación ecológica y temporal de los primeros homínidos del Plioceno en Aramis, Etiopía
G WoldeGabriel1, T D White, G Suwa
1FES-1/D462, Los Alamos National Laboratory, New Mexico 87545.
Nature
|September 22, 1994
Resumen
Fósiles de homínidos antiguos descubiertos en Etiopía.
Área de la Ciencia:
- La paleoantropología es la paleoantropología.
- Geocronología Geocronología.
- Paleoecología Paleoecología.
Sus antecedentes:
- La región de Awash Medio de la depresión Afar de Etiopía es un sitio paleontológico significativo.
- Descubrimientos anteriores han indicado la presencia de fósiles de los primeros homínidos en esta área.
Objetivo del estudio:
- Datar y caracterizar los depósitos sedimentarios que contienen fósiles de homínidos antiguos.
- Para reconstruir el paleoambiente habitado por los primeros homínidos.
Principales métodos:
- Datamiento radioisotópico de las cenizas volcánicas.
- Análisis geoquímico de muestras geológicas.
- Análisis biocronológico. análisis biocronológico.
- Análisis sedimentológico.
- Evaluación de la evidencia botánica y de la fauna.
Principales resultados:
- Los depósitos con homínidos se datan de hace aproximadamente 4,4 millones de años.
- La evidencia indica la presencia de antiguos homínidos en el área de Middle Awash.
- El hábitat fue caracterizado como boscoso.
Conclusiones:
- El área de investigación de Middle Awash proporciona conocimientos cruciales sobre la evolución humana temprana.
- Los fósiles de homínidos de 4.4 millones de años de antigüedad representan algunos de los más antiguos conocidos.
- Los hallazgos sugieren que los primeros homínidos habitaban un entorno boscoso.
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