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La datación por obsidiana y la arqueología del este de África
Resumen
Nuevos métodos permiten una hidratación precisa de la obsidiana para los sitios arqueológicos de Kenia. Esto revela la ocupación humana en Prospect Farm que se remonta a hace 120.000 años.
Área de la Ciencia:
- Ciencias Arqueológicas Ciencia Arqueológica
- La geoquímica es la geoquímica.
Sus antecedentes:
- La datación por hidratación de obsidiana es crucial para las cronologías arqueológicas.
- Los métodos anteriores carecían de precisión para diversos tipos de obsidiana de Kenia.
Objetivo del estudio:
- Para establecer tasas de hidratación específicas para varias composiciones de obsidiana de Kenia.
- Para refinar el marco cronológico de los sitios arqueológicos en Kenia.
Principales métodos:
- Desarrollo de nuevos procedimientos experimentales para el análisis de la hidratación de la obsidiana.
- Aplicación de las tasas de hidratación establecidas a los artefactos del sitio de Prospect Farm.
Principales resultados:
- Se determinaron tasas de hidratación específicas para numerosos tipos de composición de obsidiana.
- Los artefactos de Prospect Farm indican la presencia humana que se extiende hasta hace 120.000 años.
Conclusiones:
- Los nuevos métodos de datación proporcionan una cronología más precisa para la prehistoria de Kenia.
- Prospect Farm es un sitio clave para comprender la ocupación humana temprana en la región.
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