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Pyrolite is a term used to characterize a model composition of the Earth's mantle. This model is based on that a pyrolite source can produce the Mid-Ocean Ridge Basalt by partial melting. It was first proposed by Ted Ringwood (1962) as being 1 part basalt and 4 parts harzburgite, but later was revised to being 1 part tholeiitic basalt and 3 parts dunite. The term is derived from the mineral names PYR-oxene and OL-ivine. However, whether pyrolite is representative of the Earth's mantle remains debated.

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  • Pirolita (es)
  • Pyrolite (fr)
  • Pyrolite (en)
  • 地幔岩 (zh)
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  • Pirolita es un término utilizado para caracterizar una composición modelo del manto superior de la Tierra. La definición varía, pero generalmente se considera como 1 parte de basalto toleiítico y 3 partes de dunita (el término se deriva de los nombres minerales PYR-oxeno y o-LI-vid​). Se ha fusionado experimentalmente, produciendo basálticos toleíticos fundidos de alta presión, y basaltos alcalinos de presión intermedia. Las composiciones hipotéticas de la pirolita no son compatibles con los elementos traza, los datos de abundancia isotópica y condrítica, y también son difíciles de conciliar con la evidencia de la heterogeneidad del manto.​ (es)
  • Pyrolite is a term used to characterize a model composition of the Earth's mantle. This model is based on that a pyrolite source can produce the Mid-Ocean Ridge Basalt by partial melting. It was first proposed by Ted Ringwood (1962) as being 1 part basalt and 4 parts harzburgite, but later was revised to being 1 part tholeiitic basalt and 3 parts dunite. The term is derived from the mineral names PYR-oxene and OL-ivine. However, whether pyrolite is representative of the Earth's mantle remains debated. (en)
  • 地幔岩(英語:Pyrolite)是假想中与地球上地幔的组成相同的岩石,地幔岩组成的猜测来源于理论分析。不同模型中对地幔岩成分的假设有所不同,一般认为它由1:3的和组成。熔融这种混合物可以得到高压沸石玄武岩熔体和中压碱性玄武岩。但是这种假设由于现实中存在的稀有元素、同位素、球粒陨石丰度等因素而存在误差,并且与地幔不均匀性的证据不相容。 (zh)
  • La pyrolite est une roche modèle considérée comme étant proche de la composition vraie du manteau. Cette roche synthétique est inventée par le géophysicien Ted Ringwood comme référence pour l’étude de la composition du manteau. Cette composition est considérée comme un bon modèle pour la partie supérieure du manteau. À plus grande profondeur, les opinions divergent, notamment concernant l’uniformité de la composition dans tout le manteau. (fr)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Densities_of_pyrolite.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Eclogite_phase_proportion.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Phase_diagram_of_pyrolite_.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Seismic_velocities_of_pyrolite_along_the_1600_K_adiabatic_geotherm_.jpg
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  • Pirolita es un término utilizado para caracterizar una composición modelo del manto superior de la Tierra. La definición varía, pero generalmente se considera como 1 parte de basalto toleiítico y 3 partes de dunita (el término se deriva de los nombres minerales PYR-oxeno y o-LI-vid​). Se ha fusionado experimentalmente, produciendo basálticos toleíticos fundidos de alta presión, y basaltos alcalinos de presión intermedia. Las composiciones hipotéticas de la pirolita no son compatibles con los elementos traza, los datos de abundancia isotópica y condrítica, y también son difíciles de conciliar con la evidencia de la heterogeneidad del manto.​ (es)
  • Pyrolite is a term used to characterize a model composition of the Earth's mantle. This model is based on that a pyrolite source can produce the Mid-Ocean Ridge Basalt by partial melting. It was first proposed by Ted Ringwood (1962) as being 1 part basalt and 4 parts harzburgite, but later was revised to being 1 part tholeiitic basalt and 3 parts dunite. The term is derived from the mineral names PYR-oxene and OL-ivine. However, whether pyrolite is representative of the Earth's mantle remains debated. (en)
  • La pyrolite est une roche modèle considérée comme étant proche de la composition vraie du manteau. Cette roche synthétique est inventée par le géophysicien Ted Ringwood comme référence pour l’étude de la composition du manteau. Cette composition est considérée comme un bon modèle pour la partie supérieure du manteau. À plus grande profondeur, les opinions divergent, notamment concernant l’uniformité de la composition dans tout le manteau. Sa définition varie selon les auteurs, mais correspond approximativement au mélange d'une partie de basalte tholéiitique et de trois parties de péridotite (harzburgite). Par fusion expérimentale, ce mélange donne des liquides basaltiques tholéiitiques à forte pression, et basaltiques alcalins à pression moins forte. (fr)
  • 地幔岩(英語:Pyrolite)是假想中与地球上地幔的组成相同的岩石,地幔岩组成的猜测来源于理论分析。不同模型中对地幔岩成分的假设有所不同,一般认为它由1:3的和组成。熔融这种混合物可以得到高压沸石玄武岩熔体和中压碱性玄武岩。但是这种假设由于现实中存在的稀有元素、同位素、球粒陨石丰度等因素而存在误差,并且与地幔不均匀性的证据不相容。 (zh)
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