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Low δ 18 O zircons, U-Pb dating, and the age of the Qinglongshan oxygen and hydrogen isotope anomoly near Donghai in Jiangsu Province, China

Rumble, Douglas; Giorgis, David; Zhang, Zeming; Xu, Huifen; Yui, T F; Yang, Jingsui; Xu, Zhiqin; Liou, J; Ireland, Trevor


Zircons from metamorphosed granites exposed near Qinglongshan have δ18OVSMOW values of -7 to 0‰ in both grain rims and cores. The concordant 238U/206Pb ages of zircon cores are 684 to 754 Ma with rims at 221 Ma. Discordant 238U/206Pb ages range from 24

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/S0016-7037(02)00844-X


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