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The Significance of Paleoproterozoic Zircon in Carbonatite Dikes Associated With The Bayan Obo REE-Nb-Fe Deposit

Liu, Yulong; Williams, Ian; Chen, Jiangfeng; Wan, Yusheng; Sun, Weidong


Sensitive high resolution secondary ion mass spectrometry (SHRIMP II), laser ablation inductively coupled plasma mass spectrometry (ICP-MS) and laser Raman spectroscopy have been used to determine the ages in zircons from carbonatite dikes associated with the Bayan Obo giant REE-Nb-Fe deposit, Inner Mongolia, China. Analyses of small amounts of zircon extracted from large samples of three carbonatite dikes yield late Palaeoproterozoic 207Pb/206Pb ages of 1894 ± 27, 1944 ± 20 and 1956 ± 9 Ma....[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: American Journal of Science
DOI: 10.2475/03.2008.08


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