インド東ガーツ帯西部境界領域グラニュライトの年代学：ジルコンのU-Pb SHRIMP年代とモナザイトのCHIME年代によるアプローチ

チャタジー アミタバ; 日高 洋; ダス カウシク; ボス サンカー

doi:10.14862/geochemproc.62.0_134

Abstracts of Annual Meeting of the Geochemical Society of Japan

Session ID : 1P41

DOI https://doi.org/10.14862/geochemproc.62.0_134

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Host: Abstracts of Annual Meeting of the Geochemical Society of Japan

Geochronology (zircon U-Pb SHRIMP-IIe and monazite CHIME-EPMA) of western boundary of Eastern Ghats Granulite Belt, India

*Amitava Chatterjee, Hiroshi Hidaka, Kausik Das, Sankar Bose

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Keywords: zircon, U-Pb chronology, granulite

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Abstract

Detailed geochronological and petrographic studies were carried out in and around Bhawanipatna and Deobhog (Odhisa, India), which are located at the western boundary of the Eastern Ghats Granulite Belt (EGB) adjacent to Bastar Craton. It was believed that up to ?500 Ma EGB was contiguous with the East Antarctica. This study is not only important in terms of establishing geological evolution of this particular area but also significant for better understanding of the Precambrian transcontinental correlation with Proto-India.

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