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Updated: Jun 10, 2026

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Simulation of the Planetary Interior Differentiation Processes in the Laboratory
Published on: November 15, 2013
La composición isotópica de cloro de la luna y sus implicaciones para un manto anidro
Z D Sharp1, C K Shearer, K D McKeegan
1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87122, USA. zsharp@unm.edu
Resumen
La Luna La Luna es la Luna.
Área de la Ciencia:
- La geoquímica es la geoquímica.
- La ciencia lunar es la ciencia lunar.
- La geoquímica de los isótopos es la geoquímica de los isótopos.
Sus antecedentes:
- Durante mucho tiempo se ha considerado que la Luna está prácticamente desprovista de agua (hidrógeno), una diferencia geoquímica clave con respecto a la Tierra.
- Estudios recientes han desafiado este punto de vista, sugiriendo un potencialmente mayor contenido de agua lunar basado en datos geoquímicos.
Objetivo del estudio:
- Para investigar la concentración de hidrógeno de la Luna utilizando análisis de isótopos de cloro de muestras lunares.
- Para conciliar datos contradictorios con respecto a la presencia y abundancia de agua en la Luna.
Principales métodos:
- Análisis de la composición isotópica del cloro en los basaltos y vidrios lunares del Apolo.
- Comparación de los rangos isotópicos entre muestras lunares y el cloruro oceánico de la Tierra.
Principales resultados:
- Las muestras lunares exhibieron un rango de isótopos de cloro 25 veces mayor que el de la Tierra.
- Esta amplia propagación isotópica se atribuye a la volatilización de haluros metálicos durante las erupciones basálticas lunares.
Conclusiones:
- Las variaciones isotópicas observadas sugieren fuertemente que las concentraciones de hidrógeno lunar son extremadamente bajas (10^4 a 10^5 veces más bajas que las de la Tierra).
- El interior lunar es probablemente esencialmente anidro, a pesar de algunas indicaciones de agua en la superficie.
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