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Updated: Jul 11, 2026

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Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
Published on: August 7, 2017
Basaltos de inundación y pistas de puntos calientes: cabezas y colas de penachos
Resumen
Las masivas erupciones de basalto de inundación continental están vinculadas a plumas profundas del manto, con grandes eventos que representan cabezas de pluma y puntos calientes en curso las colas de pluma. Este modelo explica la actividad volcánica sin requerir la ruptura continental.
Área de la Ciencia:
- Geología Geología Geología.
- Volcanología Volcanología.
- La geofísica es la geofísica.
Sus antecedentes:
- Las erupciones de basalto de inundación continental producen acumulaciones masivas de lava.
- Estos eventos a menudo coinciden con las etapas iniciales de los principales puntos calientes.
- Se cree que los puntos calientes se originan en plumas profundas del manto.
Objetivo del estudio:
- Para explicar la relación entre los basaltos de inundación y los puntos calientes.
- Proponer un modelo para la iniciación del penacho del manto y sus consecuencias volcánicas.
Principales métodos:
- Desarrollo de modelos basados en volúmenes relativos de fusión.
- Análisis de las tasas de erupción.
- Examen de las relaciones temporales y espaciales de los basaltos de inundación y los puntos calientes.
Principales resultados:
- Los basaltos de inundación representan la "cabeza" inicial de una pluma del manto.
- Los puntos calientes representan la persistente "cola" o conducto de la pluma.
- El modelo tiene en cuenta los volúmenes de fusión y las tasas de erupción.
Conclusiones:
- La iniciación del penacho del manto proporciona un modelo unificado para los basaltos de inundación y los puntos calientes.
- La ruptura continental no es un requisito previo para el vulcanismo basáltico de inundación.
- Las provincias de basalto de inundación pueden formarse tanto en entornos oceánicos como continentales.
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