Age and origin of rocks of the Daldyn Group of the Anabar Shield: Evidence from U-Pb zircon dating, Sm-Nd and Lu-Hf isotope systematics


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The Hf-Nd isotope systematics was used to determine the genesis of zircons from granulites of the Daldyn Group of the Anabar Shield. Obtained age of magmatic crystallization for biotite–hypersthene crystalline schists and garnet amphibolites agree with position of zircons within terrestrial array. Magmatic genesis of plagiogranite neosome under granulite conditions was established for leucocratic plagiogneisses.

Sobre autores

L. Sergeeva

Institute of Earth Sciences

Autor responsável pela correspondência
Email: sergeeva.luda02@yandex.ru
Rússia, Universitetskaya nab. 7/9, St. Petersburg, 199034

N. Gusev

Karpinskii All-Russia Research Institute of Geology

Email: sergeeva.luda02@yandex.ru
Rússia, Srednii pr. 74, St. Petersburg, 199106

K. Lokhov

Institute of Earth Sciences; Karpinskii All-Russia Research Institute of Geology

Email: sergeeva.luda02@yandex.ru
Rússia, Universitetskaya nab. 7/9, St. Petersburg, 199034; Srednii pr. 74, St. Petersburg, 199106

V. Glebovitskii

Institute of Earth Sciences; Institute of Precambrian Geology and Geochronology

Email: sergeeva.luda02@yandex.ru
Rússia, Universitetskaya nab. 7/9, St. Petersburg, 199034; nab. Makarova 2, St. Petersburg, 197034

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