An Abnormal Isotopic Composition of Oxygen in Zircon from Corundum-Bearing Metasomatites of the Dyadina Gora Ore Occurrence, Belomorian Mobile Belt

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An Abnormal Isotopic Composition of Oxygen in Zircon from Corundum-Bearing Metasomatites of the Dyadina Gora Ore Occurrence, Belomorian Mobile Belt. / Skublov, S. G.; Bushmin, S. A.; Kuznetsov, A. B.; Li, X. H.; Li, Q. L.; Levashova, E. V.; Savva, E. V.

In: Doklady Earth Sciences, Vol. 491, No. 2, 01.04.2020, p. 247-252.

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

BibTeX

@article{bca0f3a2f5f14c169bcc0321ffa2955f,

title = "An Abnormal Isotopic Composition of Oxygen in Zircon from Corundum-Bearing Metasomatites of the Dyadina Gora Ore Occurrence, Belomorian Mobile Belt",

abstract = "Abstract: For the first time, the isotopic composition of oxygen, the content of trace elements, and the U–Pb zircon age were determined for kyanite–gedrite metasomatites from the Dyadina Gora ore occurrence, Belomorian Mobile Belt, Fennoscandian Shield. The zircon cores preserved from the protolith are characterized by a magmatic REE distribution and an average value of δ18O of about 3.0‰, and their age is close to 2400 Ma. The inner zones around the cores and rims of zircon were formed during metasomatic processes at the time of the Svecofennian metamorphism about 1870–1880 Ma ago, experienced strong fluid reworking, and are characterized by a decreased δ18O value to –0.9‰.",

keywords = "Belomorian Mobile Belt, Dyadina Gora ore occurrence, oxygen isotope composition, zircon",

author = "Skublov, {S. G.} and Bushmin, {S. A.} and Kuznetsov, {A. B.} and Li, {X. H.} and Li, {Q. L.} and Levashova, {E. V.} and Savva, {E. V.}",

year = "2020",

month = apr,

day = "1",

doi = "10.1134/S1028334X20040170",

language = "English",

volume = "491",

pages = "247--252",

journal = "Doklady Earth Sciences",

issn = "1028-334X",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "2",

}

RIS

TY - JOUR

T1 - An Abnormal Isotopic Composition of Oxygen in Zircon from Corundum-Bearing Metasomatites of the Dyadina Gora Ore Occurrence, Belomorian Mobile Belt

AU - Skublov, S. G.

AU - Bushmin, S. A.

AU - Kuznetsov, A. B.

AU - Li, X. H.

AU - Li, Q. L.

AU - Levashova, E. V.

AU - Savva, E. V.

PY - 2020/4/1

Y1 - 2020/4/1

N2 - Abstract: For the first time, the isotopic composition of oxygen, the content of trace elements, and the U–Pb zircon age were determined for kyanite–gedrite metasomatites from the Dyadina Gora ore occurrence, Belomorian Mobile Belt, Fennoscandian Shield. The zircon cores preserved from the protolith are characterized by a magmatic REE distribution and an average value of δ18O of about 3.0‰, and their age is close to 2400 Ma. The inner zones around the cores and rims of zircon were formed during metasomatic processes at the time of the Svecofennian metamorphism about 1870–1880 Ma ago, experienced strong fluid reworking, and are characterized by a decreased δ18O value to –0.9‰.

AB - Abstract: For the first time, the isotopic composition of oxygen, the content of trace elements, and the U–Pb zircon age were determined for kyanite–gedrite metasomatites from the Dyadina Gora ore occurrence, Belomorian Mobile Belt, Fennoscandian Shield. The zircon cores preserved from the protolith are characterized by a magmatic REE distribution and an average value of δ18O of about 3.0‰, and their age is close to 2400 Ma. The inner zones around the cores and rims of zircon were formed during metasomatic processes at the time of the Svecofennian metamorphism about 1870–1880 Ma ago, experienced strong fluid reworking, and are characterized by a decreased δ18O value to –0.9‰.

KW - Belomorian Mobile Belt

KW - Dyadina Gora ore occurrence

KW - oxygen isotope composition

KW - zircon

UR - http://www.scopus.com/inward/record.url?scp=85086385744&partnerID=8YFLogxK

U2 - 10.1134/S1028334X20040170

DO - 10.1134/S1028334X20040170

M3 - Article

AN - SCOPUS:85086385744

VL - 491

SP - 247

EP - 252

JO - Doklady Earth Sciences

JF - Doklady Earth Sciences

SN - 1028-334X

IS - 2

ER -

ID: 75949940