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Evidencia de características divergentes de los límites de las placas y la extensión de la corteza en Venus
Science (New York, N.Y.)
|December 4, 1987
Resumen
Los científicos encontraron evidencia de la extensión de la corteza en el oeste de Afrodita Terra, Venus. Esta región exhibe características similares a los límites de las placas divergentes de la Tierra, lo que sugiere procesos geológicos activos.
Área de la Ciencia:
- Geología planetaria Geología planetaria.
- La geofísica es la geofísica.
- Venus Ciencia Venus Ciencia
Sus antecedentes:
- Aphrodite Terra es una importante región montañosa de Venus.
- Comprender sus procesos geológicos es clave para la evolución de Venus.
Objetivo del estudio:
- Para investigar las características geológicas del oeste de Afrodita Terra.
- Para determinar si los procesos tectónicos de placas están ocurriendo en Venus.
Principales métodos:
- Análisis topográfico y morfológico detallado de la Terra Afrodita occidental.
- Comparación de las características observadas con las características de los límites de las placas terrestres divergentes.
Principales resultados:
- Identificó numerosas características análogas a los límites de las placas divergentes terrestres.
- Se observaron elementos topográficos bilateralmente simétricos que sugieren una extensión de la corteza.
- Los patrones de mapas de imagen especular indican el movimiento lateral y la separación de los dominios de la corteza.
Conclusiones:
- Western Aphrodite Terra exhibe características de los límites de las placas divergentes oceánicas.
- La región es probablemente un sitio de extensión de corteza activa en Venus.
- Las tasas de propagación estimadas son del orden de varios centímetros por año.
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