Spinel-Lherzolite Xenoliths from the Aritain Volcano, NE-Jordan

S. Nasir; H. Al-Fuqha

doi:10.1007/BF01164317

Spinel-Lherzolite Xenoliths from the Aritain Volcano, NE-Jordan

S. Nasir^*, H. Al-Fuqha

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Fresh spinel-Lherzolite xenoliths occur within the pyroclastic components of the Aritain volcano, NE-Jordan. The average modal composition of the xenoliths is 67 vol.% olivine, 23 vol. % orthopyroxene, 9 vol. % clinopyroxene and 1.6 vol. % spinel. All xenoliths exhibit a protogranular texture. Selected electron probe analyses of enstatite, diopside, olivine, and spinel are given. Temperatures of their last equilibration range from 925° to 1,025°C. Pressure estimates based on the spinel-Lherzolite stability field restrict the xenolith source to a depth of 37 to 60 km. Up to 18 % X_Cr in spinel indicates an origin from a maximum depth of 60 km.

Original language	English
Pages (from-to)	127-137
Number of pages	11
Journal	Mineralogy and Petrology
Volume	38
Issue number	2
DOIs	https://doi.org/10.1007/BF01164317
Publication status	Published - Apr 1988
Externally published	Yes

ASJC Scopus subject areas

Geophysics
Geochemistry and Petrology

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title = "Spinel-Lherzolite Xenoliths from the Aritain Volcano, NE-Jordan",

abstract = "Fresh spinel-Lherzolite xenoliths occur within the pyroclastic components of the Aritain volcano, NE-Jordan. The average modal composition of the xenoliths is 67 vol.% olivine, 23 vol. % orthopyroxene, 9 vol. % clinopyroxene and 1.6 vol. % spinel. All xenoliths exhibit a protogranular texture. Selected electron probe analyses of enstatite, diopside, olivine, and spinel are given. Temperatures of their last equilibration range from 925° to 1,025°C. Pressure estimates based on the spinel-Lherzolite stability field restrict the xenolith source to a depth of 37 to 60 km. Up to 18 % XCr in spinel indicates an origin from a maximum depth of 60 km.",

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AU - Nasir, S.

AU - Al-Fuqha, H.

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N2 - Fresh spinel-Lherzolite xenoliths occur within the pyroclastic components of the Aritain volcano, NE-Jordan. The average modal composition of the xenoliths is 67 vol.% olivine, 23 vol. % orthopyroxene, 9 vol. % clinopyroxene and 1.6 vol. % spinel. All xenoliths exhibit a protogranular texture. Selected electron probe analyses of enstatite, diopside, olivine, and spinel are given. Temperatures of their last equilibration range from 925° to 1,025°C. Pressure estimates based on the spinel-Lherzolite stability field restrict the xenolith source to a depth of 37 to 60 km. Up to 18 % XCr in spinel indicates an origin from a maximum depth of 60 km.

AB - Fresh spinel-Lherzolite xenoliths occur within the pyroclastic components of the Aritain volcano, NE-Jordan. The average modal composition of the xenoliths is 67 vol.% olivine, 23 vol. % orthopyroxene, 9 vol. % clinopyroxene and 1.6 vol. % spinel. All xenoliths exhibit a protogranular texture. Selected electron probe analyses of enstatite, diopside, olivine, and spinel are given. Temperatures of their last equilibration range from 925° to 1,025°C. Pressure estimates based on the spinel-Lherzolite stability field restrict the xenolith source to a depth of 37 to 60 km. Up to 18 % XCr in spinel indicates an origin from a maximum depth of 60 km.

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Spinel-Lherzolite Xenoliths from the Aritain Volcano, NE-Jordan

Abstract

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