Research output: Contribution to journal › Article
The first isotopic data on the Paleoproterozoic age of the Serpovidnyi Ridge amphibolites, Keivy terrane, Baltic shield. / Myskova, T.A.; Balagansky, V.V.; Glebovitsky, V.A.; Lvov, P.A.; Mudruk, S.V.; Skublov, S.G.
In: Doklady Earth Sciences, No. 2, 2014, p. 1553-1558.Research output: Contribution to journal › Article
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TY - JOUR
T1 - The first isotopic data on the Paleoproterozoic age of the Serpovidnyi Ridge amphibolites, Keivy terrane, Baltic shield
AU - Myskova, T.A.
AU - Balagansky, V.V.
AU - Glebovitsky, V.A.
AU - Lvov, P.A.
AU - Mudruk, S.V.
AU - Skublov, S.G.
PY - 2014
Y1 - 2014
N2 - © 2014, Pleiades Publishing, Ltd. This work presents the first data on the geochemistry, U-Pb (SHRIMP-II) age of zircon, U-Pb (conventional) age of titanite, Sm-Nd model age of whole rock samples, and age of reworking of metaporphyric rocks of the Serpovidnyi Ridge of the Keivy structure. These rocks are characterized by high contents of trace and rare earth elements indicative of an origin of the rocks from the enriched mantle source EM2. The negative ɛNd value (−2.4) does not exclude the contamination of mantle material. The age of two close periods is reliably identified: the crystallization of zircon (1740 ± 15 Ma) and porphyroblastesis with the formation of plagioclase and epidote glomeroblasts combined with the crystallization of titanite (1719 ± 13 Ma). The Sm-Nd isotope data indicate the Paleoproterozoic age of mafic volcanism in the Keivy terrane (2.37–1.77 Ga).
AB - © 2014, Pleiades Publishing, Ltd. This work presents the first data on the geochemistry, U-Pb (SHRIMP-II) age of zircon, U-Pb (conventional) age of titanite, Sm-Nd model age of whole rock samples, and age of reworking of metaporphyric rocks of the Serpovidnyi Ridge of the Keivy structure. These rocks are characterized by high contents of trace and rare earth elements indicative of an origin of the rocks from the enriched mantle source EM2. The negative ɛNd value (−2.4) does not exclude the contamination of mantle material. The age of two close periods is reliably identified: the crystallization of zircon (1740 ± 15 Ma) and porphyroblastesis with the formation of plagioclase and epidote glomeroblasts combined with the crystallization of titanite (1719 ± 13 Ma). The Sm-Nd isotope data indicate the Paleoproterozoic age of mafic volcanism in the Keivy terrane (2.37–1.77 Ga).
U2 - 10.1134/S1028334X14120083
DO - 10.1134/S1028334X14120083
M3 - Article
SP - 1553
EP - 1558
JO - Doklady Earth Sciences
JF - Doklady Earth Sciences
SN - 1028-334X
IS - 2
ER -
ID: 7061319