Reference Type | Journal (article/letter/editorial) |
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Title | Chemistry of Hf-rich zircons from the Laoshan I- and A-type granites, Eastern China |
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Journal | Mineralogical Magazine |
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Authors | Wang, R. C. | Author |
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Zhao, G. T. | Author |
Lu, J. J. | Author |
Chen, X. M. | Author |
Xu, S. J. | Author |
Wang, D. Z. | Author |
Year | 2000 (October) | Volume | 64 |
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Page(s) | 867-877 | Issue | 5 |
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Publisher | Mineralogical Society |
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DOI | doi:10.1180/002646100549850Search in ResearchGate |
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Mindat Ref. ID | 243220 | Long-form Identifier | mindat:1:5:243220:9 |
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GUID | 172d4fde-583c-4216-b924-f320b1d6afef |
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Full Reference | Wang, R. C., Zhao, G. T., Lu, J. J., Chen, X. M., Xu, S. J., Wang, D. Z. (2000) Chemistry of Hf-rich zircons from the Laoshan I- and A-type granites, Eastern China. Mineralogical Magazine, 64 (5) 867-877 doi:10.1180/002646100549850 |
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Plain Text | Wang, R. C., Zhao, G. T., Lu, J. J., Chen, X. M., Xu, S. J., Wang, D. Z. (2000) Chemistry of Hf-rich zircons from the Laoshan I- and A-type granites, Eastern China. Mineralogical Magazine, 64 (5) 867-877 doi:10.1180/002646100549850 |
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Abstract/Notes | AbstractZircon commonly occurs as one of important accessory HFSE-bearing minerals in A-type granite. A detailed electron microprobe study was carried out on zircon from the Laoshan complex, Eastern China, which is composed of I- and A-type granites. Zircon from the I-type rocks is relatively poor in trace elements (HfO2<2 wt.%, UO2, ThO2 and Y2O3 <1 wt.%), but that from the A-type rocks is richer in Hf, U, Th and Y. Hafnian zircon with a HfO2 content of up to 12.37 wt.% was found in the arfvedsonite granite, which is considered the most evolved facies in the A-type suite. Enrichment in Hf is generally observed at the rims of zircon crystals relative to the cores. The Hf enrichment in zircon, and the association of exotic REE- and HFSE-bearing minerals are linked to hydrothermal activity, suggesting that during the last stage of crystallization of the A-type magma, fluids enriched in REE, HFSE, F−, CO32− and PO43− were released. |
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