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Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield. / Glebovitsky, V.A.; Sedova, I.S.; Berezhnaya, N.G.; Skublov, S.G.; Samorukova, L.M.

In: Geology of Ore Deposits, No. 7, 2015, p. 552-569.

Research output: Contribution to journal › Article

Harvard

Glebovitsky, VA, Sedova, IS, Berezhnaya, NG, Skublov, SG & Samorukova, LM 2015, 'Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield', Geology of Ore Deposits, no. 7, pp. 552-569. https://doi.org/10.1134/S1075701515070041

APA

Glebovitsky, V. A., Sedova, I. S., Berezhnaya, N. G., Skublov, S. G., & Samorukova, L. M. (2015). Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield. Geology of Ore Deposits, (7), 552-569. https://doi.org/10.1134/S1075701515070041

Vancouver

Glebovitsky VA, Sedova IS, Berezhnaya NG, Skublov SG, Samorukova LM. Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield. Geology of Ore Deposits. 2015;(7):552-569. https://doi.org/10.1134/S1075701515070041

Author

Glebovitsky, V.A. ; Sedova, I.S. ; Berezhnaya, N.G. ; Skublov, S.G. ; Samorukova, L.M. / Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield. In: Geology of Ore Deposits. 2015 ; No. 7. pp. 552-569.

BibTeX

@article{c45675fa5b3d440d85df09dd2843fc7d,
title = "Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield",
abstract = "{\textcopyright} 2015, Pleiades Publishing, Ltd.The microgeochemistry of zircon was studied in three samples: charnockite gneiss (1594), charnockite (1594a), and migmatite leucosome Lc4 (1594c). Prismatic (Zrn I) and oval (Zrn II) zircon morphotypes are distinguished in the first two samples. Most zircon grains consist of two-phase cores and overgrowth rims variable in thickness. The average weighted concordant U–Pb age of Zrn II cores from charnockite gneiss is 2436 ± 10 Ma. The concordant ages of Zrn I and Zrn II cores from charnockite are 2402 ± 16 Ma and 2453 ± 14 Ma, respectively. Some overgrowth rims are 1.9–2.1 Ga in age. In leucosome Lc4, all measured prismatic zircon crystals yielded a discordant age of 1942 ± 11 Ma (the upper intersection of discordia with concordia). These zircons are strongly altered and anomalously enriched in U and Th. Zrn I grains are enriched relative to Zrn II in REE, Li, Ca, Sr, Ba, Hf, Th, and U. Zrn I is considered to be a product of melt crystallization or subsolidus recrystallization i",
author = "V.A. Glebovitsky and I.S. Sedova and N.G. Berezhnaya and S.G. Skublov and L.M. Samorukova",
year = "2015",
doi = "10.1134/S1075701515070041",
language = "English",
pages = "552--569",
journal = "Geology of Ore Deposits",
issn = "1075-7015",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "7",

}

RIS

TY - JOUR

T1 - Zircon from charnockite gneiss, charnockite, and leucosome of migmatite in the Nimnyr Block of the Aldan Shield

AU - Glebovitsky, V.A.

AU - Sedova, I.S.

AU - Berezhnaya, N.G.

AU - Skublov, S.G.

AU - Samorukova, L.M.

PY - 2015

Y1 - 2015

N2 - © 2015, Pleiades Publishing, Ltd.The microgeochemistry of zircon was studied in three samples: charnockite gneiss (1594), charnockite (1594a), and migmatite leucosome Lc4 (1594c). Prismatic (Zrn I) and oval (Zrn II) zircon morphotypes are distinguished in the first two samples. Most zircon grains consist of two-phase cores and overgrowth rims variable in thickness. The average weighted concordant U–Pb age of Zrn II cores from charnockite gneiss is 2436 ± 10 Ma. The concordant ages of Zrn I and Zrn II cores from charnockite are 2402 ± 16 Ma and 2453 ± 14 Ma, respectively. Some overgrowth rims are 1.9–2.1 Ga in age. In leucosome Lc4, all measured prismatic zircon crystals yielded a discordant age of 1942 ± 11 Ma (the upper intersection of discordia with concordia). These zircons are strongly altered and anomalously enriched in U and Th. Zrn I grains are enriched relative to Zrn II in REE, Li, Ca, Sr, Ba, Hf, Th, and U. Zrn I is considered to be a product of melt crystallization or subsolidus recrystallization i

AB - © 2015, Pleiades Publishing, Ltd.The microgeochemistry of zircon was studied in three samples: charnockite gneiss (1594), charnockite (1594a), and migmatite leucosome Lc4 (1594c). Prismatic (Zrn I) and oval (Zrn II) zircon morphotypes are distinguished in the first two samples. Most zircon grains consist of two-phase cores and overgrowth rims variable in thickness. The average weighted concordant U–Pb age of Zrn II cores from charnockite gneiss is 2436 ± 10 Ma. The concordant ages of Zrn I and Zrn II cores from charnockite are 2402 ± 16 Ma and 2453 ± 14 Ma, respectively. Some overgrowth rims are 1.9–2.1 Ga in age. In leucosome Lc4, all measured prismatic zircon crystals yielded a discordant age of 1942 ± 11 Ma (the upper intersection of discordia with concordia). These zircons are strongly altered and anomalously enriched in U and Th. Zrn I grains are enriched relative to Zrn II in REE, Li, Ca, Sr, Ba, Hf, Th, and U. Zrn I is considered to be a product of melt crystallization or subsolidus recrystallization i

U2 - 10.1134/S1075701515070041

DO - 10.1134/S1075701515070041

M3 - Article

SP - 552

EP - 569

JO - Geology of Ore Deposits

JF - Geology of Ore Deposits

SN - 1075-7015

IS - 7

ER -

ID: 4001758