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Updated: Mar 13, 2026

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Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
Published on: August 5, 2016
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Campo de gravedad de la cuenca Orientale de la Misión de Laboratorio de Recuperación y Interior de la Gravedad
Maria T Zuber1, David E Smith2, Gregory A Neumann3
1Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA. zuber@mit.edu.
Resumen
La cuenca de Orientale
Área de la Ciencia:
- Geología lunar
- Ciencias planetarias
- Los cráteres de impacto
Sus antecedentes:
- La cuenca Orientale es la estructura de impacto más joven y mejor conservada de la Luna.
- Comprender su formación proporciona una visión de la evolución planetaria.
Objetivo del estudio:
- Investigar el campo gravitatorio de la cuenca Orientale utilizando datos de alta resolución.
- Para determinar el volumen de material desplazado de la corteza e inferir las dimensiones del cráter transitorio.
- Analizar las características estructurales de los anillos de la cuenca y las fallas asociadas.
Principales métodos:
- Se utilizaron datos de la nave espacial GRAIL (Gravity Recovery and Interior Laboratory).
- Los datos del campo gravitacional analizados a una resolución horizontal de 3 a 5 kilómetros.
- Mapeado estructuras de anillo distintas e inferido fallas subterráneas.
Principales resultados:
- Se estima que se excavaron y redistribuyeron al menos (3,4 ± 0,2) × 10 ^ 6 km ^ 3 de material de la corteza.
- Inferimos que el diámetro del cráter transitorio está entre 320 y 460 km.
- Se resolvieron tres anillos distintos e identificaron fallas penetrantes del manto vinculadas a los anillos exteriores.
Conclusiones:
- La estructura de la corteza de Orientale ofrece limitaciones críticas en los modelos de formación de cuencas múltiples.
- Los datos de GRAIL revelan estructuras subterráneas detalladas de las cuencas de impacto lunar.
- El estudio refina nuestra comprensión de los procesos de impacto a gran escala en la Luna.
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