Cida intrusion, Huili Co., Liangshan Autonomous Prefecture, Sichuan Province, China

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REE-bearing alkaline riebeckite granite.
Potential producer; not presently mined.

Ref.:
- Zhenhuan Ye (1986): Crystal chemistry of fergusonite from the Cida Alkali Granite. Journal of China University of Geoscience 11(6), 602-609.

- Orris, G.J., and Grauch, R.I. (2002): Rare Earth Element Mines, Deposits and Occurrences. USGS Open-File Report 02-189, 174 pp.

- Hong Zhong, Weiguang Zhu, Zhuyin Chu, Defeng He, and Xieyan Song (2007): Shrimp U–Pb zircon geochronology, geochemistry, and Nd–Sr isotopic study of contrasting granites in the Emeishan large igneous province, SW China. Chemical Geology 236(1/2), 112-133.

Map Reference: 27°0'N , 102°5'E

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Mineral List:

Albite

Na[AlSi

]

Reference:

[Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189, 174 pp.]

β-Fergusonite-(Y)

YNbO

Reference:

[Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): \"Mineralogy and Geology of Rare Earths in China\", Science Press (Beijing), 226 pp.]

Fluorite

CaF

Reference:

[Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189, 174 pp.]

Fergusonite-(Y)

YNbO

Reference:

[Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): \"Mineralogy and Geology of Rare Earths in China\", Science Press (Beijing), 226 pp.]

Quartz

SiO

Reference:

[Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189, 174 pp.]

Riebeckite

[ ][Na

][Fe

][(OH)

|Si

]

Reference:

[Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189, 174 pp.]

Thorite

(Th,U)[SiO

]

Reference: