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Baihuanao intrusion, Tengchong Sn belt, Tengchong Co., Baoshan Prefecture, Yunnan Province, China

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Rare metal deposit, hosted in a Cenozoic alkali-feldspar granite characterized by high SiO2 and alkali contents and a high abundance of REE and LILE (K, Rb, Cs, Li) elements. The respective granitic magma experienced a complex evolution from rare-earth-mineralized granite through Nb-Ta-mineralized granite to Sn-W-mineralized granite. Disseminated ores occur in the strongly greisenized and potassic-altered weathering crust; veined ores occur in greisens developed in the contact zone. The Rb grades classify it as a superlarge rubidium deposit.

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8 entries listed. 4 valid minerals.

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References

- Ganfu Shen (2002): Weathering crust of Baihuanao granite: a potential superlarge-scale Rb, Cs, Y, Sc, quartz and albite ore deposit. Bulletin of Mineralogy, Petrology and Geochemistry 21(3), 182-184.
- Zengqian Hou, Khin Zaw, Guitang Pan, Xuanxue Mo, Qiang Xu, Yunzhong Hu, and Xingzhen Li (2007): Sanjiang tethyan metallogenesis in SW China: tectonic setting, metallogenic epochs and deposit types. Ore Geology Reviews 31, 48-87.

Mineral and/or Locality  
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