Trace Element Composition of the Manning Massif Alkaline Volcanics (MMAV), Northern Prince Charles Mountains, East Antarctica

A. V. Andronikov; S. F. Foley; S. Melzer

Trace Element Composition of the Manning Massif Alkaline Volcanics (MMAV), Northern Prince Charles Mountains, East Antarctica

A. V. Andronikov^*, S. F. Foley, S. Melzer

^*Corresponding author for this work

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

1 Citation (Scopus)

Abstract

Samples of Cenozoic (40 Ma) alkaline trachybasalts from East Antarctic Manning Massif were analysed for trace elements composition using ICP-MS technique. Strong enrichment in incompatible element coupled with high to medium concentrations of relatively non-refractory major oxide and the composition of olivine phenocrysts, suggests that the magma was derived from the source enriched in LILE, HFSE and LREE. The composition of the trachybasalts can be considered as a mixture of a wall-rock peridotite component supplying refractory mantle elements, and an additional component to supply most of alkalis, LILE and LREE to the melt. Fractionation of clinopyroxene and olivine was essential to allow the primary melt to obtain trace element characteristics of the MMAV.

Original language	English
Pages (from-to)	29-32
Number of pages	4
Journal	Terra Antarctica
Volume	4
Issue number	1
Publication status	Published - 1997
Externally published	Yes

Cite this

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abstract = "Samples of Cenozoic (40 Ma) alkaline trachybasalts from East Antarctic Manning Massif were analysed for trace elements composition using ICP-MS technique. Strong enrichment in incompatible element coupled with high to medium concentrations of relatively non-refractory major oxide and the composition of olivine phenocrysts, suggests that the magma was derived from the source enriched in LILE, HFSE and LREE. The composition of the trachybasalts can be considered as a mixture of a wall-rock peridotite component supplying refractory mantle elements, and an additional component to supply most of alkalis, LILE and LREE to the melt. Fractionation of clinopyroxene and olivine was essential to allow the primary melt to obtain trace element characteristics of the MMAV.",

author = "Andronikov, {A. V.} and Foley, {S. F.} and S. Melzer",

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AU - Andronikov, A. V.

AU - Foley, S. F.

AU - Melzer, S.

PY - 1997

Y1 - 1997

N2 - Samples of Cenozoic (40 Ma) alkaline trachybasalts from East Antarctic Manning Massif were analysed for trace elements composition using ICP-MS technique. Strong enrichment in incompatible element coupled with high to medium concentrations of relatively non-refractory major oxide and the composition of olivine phenocrysts, suggests that the magma was derived from the source enriched in LILE, HFSE and LREE. The composition of the trachybasalts can be considered as a mixture of a wall-rock peridotite component supplying refractory mantle elements, and an additional component to supply most of alkalis, LILE and LREE to the melt. Fractionation of clinopyroxene and olivine was essential to allow the primary melt to obtain trace element characteristics of the MMAV.

AB - Samples of Cenozoic (40 Ma) alkaline trachybasalts from East Antarctic Manning Massif were analysed for trace elements composition using ICP-MS technique. Strong enrichment in incompatible element coupled with high to medium concentrations of relatively non-refractory major oxide and the composition of olivine phenocrysts, suggests that the magma was derived from the source enriched in LILE, HFSE and LREE. The composition of the trachybasalts can be considered as a mixture of a wall-rock peridotite component supplying refractory mantle elements, and an additional component to supply most of alkalis, LILE and LREE to the melt. Fractionation of clinopyroxene and olivine was essential to allow the primary melt to obtain trace element characteristics of the MMAV.

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M3 - Article

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VL - 4

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JO - Terra Antarctica

JF - Terra Antarctica

SN - 1122-8628

IS - 1

ER -

Trace Element Composition of the Manning Massif Alkaline Volcanics (MMAV), Northern Prince Charles Mountains, East Antarctica

Abstract

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