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An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 1997

ISSN: 1859-0128
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The U-Pb zircon age of granodiorite from Dinh Quan Deo Ca complex of Truong Xuan Khanh Hoa area and its geological significance

Hieu Trung Pham 1, *

  1. VNUHCM-University of Science
Correspondence to: Hieu Trung Pham, VNUHCM-University of Science. Email: pvphuc@vnuhcm.edu.vn.
Volume & Issue: Vol. 18 No. 4 (2015) | Page No.: 5-11 | DOI: 10.32508/stdj.v18i4.924
Published: 2015-08-30

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Copyright © 2015 by the author(s).

Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

Zircons separated from an granodiorite sample at the Dinh Quan - Deo Ca complex area were dated to determine the protolith age for the complex. Sixteen LA-ICP-MS U-Pb zircon analyses gave concordant ages concentrated at 96 Ma (weighted mean). These results indicated the protolith age of the granodiorite (primary magma crystallization age). The value of this age is close to results analyzed by Rb-Sr method and Ar-Ar method, confirming the crystallization age of the granodiorite Dinh Quan Deo Ca complex corresponding period early Cretaceou.

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