Hafnium isotope composition of zircon from the Kondyor clinopyroxenite-dunite massif (Khabarovsk Territory, Russia)

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Abstract

Abstract: This study evaluates for the first time Hf-isotope characteristics of zircon from dunite of the Kondyor massif, which is closely related to an economic platinum placer deposit. The significant range in εHf(t) values (from –8.4 ± 0.8 to 10.5 ± 1.3) in Mesozoic zircons indicates the interaction of a "juvenile" mantle source (εHf(t) = +15) with distinct magma sources, equivalent to a subcontinental lithospheric mantle and/or a continental crust. The peculiarities of the Hf-isotopic composition of Precambrian zircons (εHf(t) from –2.3 to +0.3) is consistent with their xenogenic origin and inheritance from basement rocks of the Siberian Craton.

LanguageEnglish
Pages679-682
Number of pages4
JournalDoklady Earth Sciences
Volume486
Issue number2
DOIs
Publication statusPublished - Jun 2019

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hafnium
dunite
zircon
isotope
placer deposit
basement rock
platinum
mantle source
continental crust
craton
Precambrian
isotopic composition
magma
mantle
economics

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title = "Hafnium isotope composition of zircon from the Kondyor clinopyroxenite-dunite massif (Khabarovsk Territory, Russia)",
abstract = "Abstract: This study evaluates for the first time Hf-isotope characteristics of zircon from dunite of the Kondyor massif, which is closely related to an economic platinum placer deposit. The significant range in εHf(t) values (from –8.4 ± 0.8 to 10.5 ± 1.3) in Mesozoic zircons indicates the interaction of a {"}juvenile{"} mantle source (εHf(t) = +15) with distinct magma sources, equivalent to a subcontinental lithospheric mantle and/or a continental crust. The peculiarities of the Hf-isotopic composition of Precambrian zircons (εHf(t) from –2.3 to +0.3) is consistent with their xenogenic origin and inheritance from basement rocks of the Siberian Craton.",
author = "Badanina, {I. Yu} and Belousova, {E. A.} and Malitch, {K. N.}",
year = "2019",
month = "6",
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language = "English",
volume = "486",
pages = "679--682",
journal = "Doklady Earth Sciences",
issn = "1028-334X",
publisher = "MAIK NAUKA/INTERPERIODICA/SPRINGER",
number = "2",

}

Hafnium isotope composition of zircon from the Kondyor clinopyroxenite-dunite massif (Khabarovsk Territory, Russia). / Badanina, I. Yu; Belousova, E. A.; Malitch, K. N.

In: Doklady Earth Sciences, Vol. 486, No. 2, 06.2019, p. 679-682.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Hafnium isotope composition of zircon from the Kondyor clinopyroxenite-dunite massif (Khabarovsk Territory, Russia)

AU - Badanina, I. Yu

AU - Belousova, E. A.

AU - Malitch, K. N.

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N2 - Abstract: This study evaluates for the first time Hf-isotope characteristics of zircon from dunite of the Kondyor massif, which is closely related to an economic platinum placer deposit. The significant range in εHf(t) values (from –8.4 ± 0.8 to 10.5 ± 1.3) in Mesozoic zircons indicates the interaction of a "juvenile" mantle source (εHf(t) = +15) with distinct magma sources, equivalent to a subcontinental lithospheric mantle and/or a continental crust. The peculiarities of the Hf-isotopic composition of Precambrian zircons (εHf(t) from –2.3 to +0.3) is consistent with their xenogenic origin and inheritance from basement rocks of the Siberian Craton.

AB - Abstract: This study evaluates for the first time Hf-isotope characteristics of zircon from dunite of the Kondyor massif, which is closely related to an economic platinum placer deposit. The significant range in εHf(t) values (from –8.4 ± 0.8 to 10.5 ± 1.3) in Mesozoic zircons indicates the interaction of a "juvenile" mantle source (εHf(t) = +15) with distinct magma sources, equivalent to a subcontinental lithospheric mantle and/or a continental crust. The peculiarities of the Hf-isotopic composition of Precambrian zircons (εHf(t) from –2.3 to +0.3) is consistent with their xenogenic origin and inheritance from basement rocks of the Siberian Craton.

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