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Ascenso de la kimberlita y erupción de la misma.

R S J Sparks1, R J Brown, M Field

  • 1Department of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK. steve.sparks@bristol.ac.uk

Nature
|December 14, 2007
PubMed
Resumen
Este resumen es generado por máquina.

Este estudio revisa el modelo de Wilson y Head para las erupciones de kimberlita. Identificamos supuestos físicos erróneos que entran en conflicto con los datos geológicos y las restricciones de solubilidad volátil.

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Área de la Ciencia:

  • Las geociencias son ciencias geológicas.
  • Volcanología Volcanología.
  • Dinámica de las Magmas Dinámica de las Magmas

Sus antecedentes:

  • El modelo de Wilson y Head simula el ascenso y la erupción de la kimberlita a través de la propagación de diques ricos en volátiles.
  • Este modelo comparte similitudes con el de Sparks et al. trabajo, pero presenta inconsistencias con las observaciones geológicas.

Objetivo del estudio:

  • Identificar los supuestos físicos que conducen a las inconsistencias en el modelo de Wilson y Head.
  • Proponer una comprensión revisada de la propagación y erupción de los diques de kimberlita.

Principales métodos:

  • Análisis de los supuestos físicos dentro del modelo de Wilson y Head.
  • Comparación de las predicciones del modelo con los datos de campo geológico.
  • Evaluación de las restricciones de solubilidad volátil en sistemas magmáticos.

Principales resultados:

  • Se demuestra que los supuestos físicos del modelo de Wilson y Head son erróneos.
  • Estas suposiciones erróneas conducen a discrepancias con la evidencia geológica y los datos de solubilidad volátil.
  • El estudio destaca el papel crítico de principios físicos precisos en el modelado de procesos volcánicos.

Conclusiones:

  • La formulación actual del modelo de Wilson y Head requiere una revisión.
  • Las suposiciones físicas precisas son cruciales para comprender la dinámica de la erupción de kimberlita.
  • La investigación adicional debe centrarse en el refinamiento de modelos basados en datos empíricos y restricciones físicas.