Origin of garnet and clinopyroxene in Kaapvaal low-T peridotite xenoliths

N.S.C. Simon; G.J. Irvine; G.R. Davies; D.G. Pearson; R.W. Carlson

doi:10.1016/S0024-4937(03)00118-X

Origin of garnet and clinopyroxene in Kaapvaal low-T peridotite xenoliths

N.S.C. Simon
, G.J. Irvine
, G.R. Davies
, D.G. Pearson
, R.W. Carlson

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

A detailed petrographic, major and trace element and isotope (Re-Os) study is presented on 18 xenoliths from Northern Lesotho kimberlites. The samples represent typical coarse, low-temperature garnet and spinel peridotites and span a P-T range from ∼60 to 150 km depth. With the exception of one sample (that belongs to the ilmenite-rutile-phlogopite-sulphide suite (IRPS) suite first described by [B. Harte, P.A. Winterburn, J.J. Gurney, Metasomatic and enrichment phenomena in garnet peridotite facies mantle xenoliths from the Matsoku kimberlite pipe, Lesotho. In: Menzies, M. (Ed.), Mantle metsasomatism. Academic Press, London 1987, 145-220.]), all samples considered here have high Mg# and show strong depletion in CaO and Al

Original language	English
Pages (from-to)	289-322
Number of pages	33
Journal	Lithos
Volume	71
DOIs	https://doi.org/10.1016/S0024-4937(03)00118-X
Publication status	Published - 2003

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Proceedings title: A tale of two cratons: The slave-Kaapvaal workshop

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SDG 14 Life Below Water

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10.1016/S0024-4937(03)00118-X

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title = "Origin of garnet and clinopyroxene in Kaapvaal low-T peridotite xenoliths",

abstract = "A detailed petrographic, major and trace element and isotope (Re-Os) study is presented on 18 xenoliths from Northern Lesotho kimberlites. The samples represent typical coarse, low-temperature garnet and spinel peridotites and span a P-T range from ∼60 to 150 km depth. With the exception of one sample (that belongs to the ilmenite-rutile-phlogopite-sulphide suite (IRPS) suite first described by [B. Harte, P.A. Winterburn, J.J. Gurney, Metasomatic and enrichment phenomena in garnet peridotite facies mantle xenoliths from the Matsoku kimberlite pipe, Lesotho. In: Menzies, M. (Ed.), Mantle metsasomatism. Academic Press, London 1987, 145-220.]), all samples considered here have high Mg\# and show strong depletion in CaO and Al",

author = "N.S.C. Simon and G.J. Irvine and G.R. Davies and D.G. Pearson and R.W. Carlson",

note = "Proceedings title: A tale of two cratons: The slave-Kaapvaal workshop",

year = "2003",

doi = "10.1016/S0024-4937(03)00118-X",

language = "English",

volume = "71",

pages = "289--322",

journal = "Lithos",

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TY - JOUR

T1 - Origin of garnet and clinopyroxene in Kaapvaal low-T peridotite xenoliths

AU - Simon, N.S.C.

AU - Irvine, G.J.

AU - Davies, G.R.

AU - Pearson, D.G.

AU - Carlson, R.W.

N1 - Proceedings title: A tale of two cratons: The slave-Kaapvaal workshop

PY - 2003

Y1 - 2003

N2 - A detailed petrographic, major and trace element and isotope (Re-Os) study is presented on 18 xenoliths from Northern Lesotho kimberlites. The samples represent typical coarse, low-temperature garnet and spinel peridotites and span a P-T range from ∼60 to 150 km depth. With the exception of one sample (that belongs to the ilmenite-rutile-phlogopite-sulphide suite (IRPS) suite first described by [B. Harte, P.A. Winterburn, J.J. Gurney, Metasomatic and enrichment phenomena in garnet peridotite facies mantle xenoliths from the Matsoku kimberlite pipe, Lesotho. In: Menzies, M. (Ed.), Mantle metsasomatism. Academic Press, London 1987, 145-220.]), all samples considered here have high Mg# and show strong depletion in CaO and Al

AB - A detailed petrographic, major and trace element and isotope (Re-Os) study is presented on 18 xenoliths from Northern Lesotho kimberlites. The samples represent typical coarse, low-temperature garnet and spinel peridotites and span a P-T range from ∼60 to 150 km depth. With the exception of one sample (that belongs to the ilmenite-rutile-phlogopite-sulphide suite (IRPS) suite first described by [B. Harte, P.A. Winterburn, J.J. Gurney, Metasomatic and enrichment phenomena in garnet peridotite facies mantle xenoliths from the Matsoku kimberlite pipe, Lesotho. In: Menzies, M. (Ed.), Mantle metsasomatism. Academic Press, London 1987, 145-220.]), all samples considered here have high Mg# and show strong depletion in CaO and Al

U2 - 10.1016/S0024-4937(03)00118-X

DO - 10.1016/S0024-4937(03)00118-X

M3 - Article

SN - 0024-4937

VL - 71

SP - 289

EP - 322

JO - Lithos

JF - Lithos

ER -

Origin of garnet and clinopyroxene in Kaapvaal low-T peridotite xenoliths

Abstract

Bibliographical note

UN SDGs

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