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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Controls on the REE tetrad effect in Evidence from the Qianlishan and Baerzhe granites: Granites, China

Zhao Zhenhua, Xiong Xiaolin, Han Xiaodong, Wang Yixian, Wang Qiang, Bao Zhiwei, Borming Jahn
Geochemical Journal, Vol. 36, No. 6, P. 527-543, 2002


REE contents in whole-rock samples and constituent minerals of the Qianlishan and Baerzhe granites from China were determined using three analytical methods (ICP-AES, ICP-MS, and ID-TIMS). The REE abundance patterns of the granites show the M-type tetrad effect and strong Eu depletion in both whole-rock samples and in individual minerals samples. Fluid-melt interaction in the late stage of fractional crystallization is suggested to be the most important factor controlling the formation of REE tetrad effects in the granites.

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