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Control de la edad del primer dato de aparición del Homo erectus de Java en el área de Sangiran

Shuji Matsu'ura¹, Megumi Kondo², Tohru Danhara³

¹Department of Anthropology, National Museum of Nature and Science, Tsukuba City, Ibaraki 305-0005, Japan. matsu-ur@js2.so-net.ne.jp mhyodo@kobe-u.ac.jp.

Science (New York, N.Y.)

|January 11, 2020

Resumen

El sitio de fósiles de homínidos de Sangiran

Área de la Ciencia:

Paleoantropología
Geocronología
La prehistoria asiática

Sus antecedentes:

El Sitio del Patrimonio Mundial de Sangiran en Indonesia es clave para comprender la migración humana temprana en Asia.
Se ha debatido la datación previa de la presencia temprana de homínidos en Sangiran.

Objetivo del estudio:

Para establecer una cronología más precisa de la primera presencia de homínidos en la región de Sangiran.
Para recalibrar la datación de las capas inferiores con homínidos en Sangiran.

Principales métodos:

Se emplearon técnicas combinadas de fisión y datación con uranio y plomo.
Las edades clave se determinaron para calibrar los horizontes de los homínidos más viejos.

Principales resultados:

El estudio presenta nuevas fechas clave para las capas portadoras de homínidos Sangiran.
Se estima que la primera aparición de homínidos en Sangiran fue hace alrededor de 1,3 millones de años, posiblemente hasta hace 1,5 millones de años.

Conclusiones:

La cronología revisada sugiere que los homínidos llegaron a Sangiran más tarde de lo que se pensaba.
Este hallazgo tiene un impacto en nuestra comprensión de los primeros patrones de dispersión humana en el Pleistoceno Temprano de Asia.

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