Geochemistry of sanukitoid series granitoids from the Neoarchaean Berach granitoid batholiths, Aravalli craton, northwestern Indian shield.

Mondal M. E. A.; Ausaf Raza

首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Geochemistry of sanukitoid series granitoids from the Neoarchaean Berach granitoid batholiths, Aravalli craton, northwestern Indian shield.

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Geochemistry of sanukitoid series granitoids from the Neoarchaean Berach granitoid batholiths, Aravalli craton, northwestern Indian shield.

机译：来自新印度西北贝拉奇花岗岩基岩，印度西北盾构Aravalli克拉通的sanukitoid系列花岗岩的地球化学。

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Geochemical studies of the Neoarchaean Berach granitoids, which are intrusive into the Banded Gneissic Complex of the Aravalli craton, have revealed the occurrence of granitoids of the sanukitoid series. They are calc-alkaline and enriched in both compatible and incompatible elements at a given SiO₂ level. The granitoids are characterized by high K₂O, high MgO, low Na₂O/K₂O, high Ba+Sr, negative Nb-anomaly and variable (Gd/Er)N. The geochemical characteristics of the Berach granitoids are strikingly similar to the Archaean sanukitoid series of rocks reported from else-where in the world. It is proposed that the Berach sanukitoid rocks were formed by partial melting of a metasomatized subcontinental lithospheric mantle, enriched in large ion lithophile elements.

机译：侵入到Aravalli克拉通带状片麻岩复合体中的新古柏Berach花岗岩的地球化学研究揭示了sanukitoid系列花岗岩的存在。它们是碱性钙，并在给定的SiO _{2 含量下富含相容和不相容元素。花岗岩的特征是高K _{2 O，高MgO，低Na _{2 O / K _{2 O，高Ba + Sr，负Nb -异常和变量（Gd / Er）N。 Berach花岗岩的地球化学特征与世界其他地方报道的太古岩系岩石相似。有人提出Berach sanukitoid岩石是通过变质交代的次大陆岩石圈地幔部分熔融而形成的，该地幔中富含大量的离子亲石元素。}}}}

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《Current Science: A Fortnightly Journal of Research》 |2013年第1期|共7页
作者
Mondal M. E. A.; Ausaf Raza;
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中图分类自然科学现状及发展;
关键词
Geochemical studies; granitoids; lithospheric mantle; sanukitoid rocks;

机译：地球化学研究;类固石;岩石圈地幔;薄壳岩;

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1. Geochemistry of sanukitoid series granitoids from the Neoarchaean Berach granitoid batholiths, Aravalli craton, northwestern Indian shield. [J] . Mondal M. E. A., Ausaf Raza Current Science: A Fortnightly Journal of Research . 2013,第1期

机译：来自新印度西北贝拉奇花岗岩基岩，印度西北盾构Aravalli克拉通的sanukitoid系列花岗岩的地球化学。
2. Evolution of continental crust of the Aravalli craton, NW India, during the Neoarchaean-Palaeoproterozoic: evidence from geochemistry of granitoids [J] . Rahaman M. Sayad, Mondal M. E. A. International Geology Review . 2015,第11a12期

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Geochemistry of sanukitoid series granitoids from the Neoarchaean Berach granitoid batholiths, Aravalli craton, northwestern Indian shield.

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