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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Biotite from
Anqing copper mine, Yueshan ore field, Huaining County, Anqing, Anhui, China


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Anqing copper mine, Yueshan ore field, Huaining County, Anqing, Anhui, China
Data Identifiers
Mindat Occurrence Record ID:524000
Long-form Identifier:1:3:524000:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.0km (1.8 miles) ⓘZhuchong Fe-Cu Deposit, Yueshan ore field, Huaining County, Anqing, Anhui, China
35.3km (22.0 miles) ⓘTongshan Mine (West Tongshan Mine), Guichi District, Chizhou, Anhui, China
53.0km (32.9 miles) ⓘMeichuan pluton, Tongbai-Dabie orogen, China
54.0km (33.5 miles) ⓘMatou Mo-Cu deposit, Guichi District, Chizhou, Anhui, China
57.6km (35.8 miles) ⓘPaodaoling Au deposit, Guichi District, Chizhou, Anhui, China
64.0km (39.8 miles) ⓘLuohe Mine, Lujiang Co., Hefei, Anhui, China
70.6km (43.9 miles) ⓘShaxi-Changpushang Cu-Au deposit, Lujiang Co., Hefei, Anhui, China
73.9km (45.9 miles) ⓘHuangmeijian granite, Wuwei County, Wuhu, Anhui, China
77.3km (48.0 miles) ⓘZhubuyuan pluton, Tongbai-Dabie orogen, China
78.3km (48.7 miles) ⓘHuangzhen-Zhujiachong area, Lake Hualiangting, Taihu County, Anqing, Anhui, China
References
Xuncheng Wang and Yucai Zhou (1995): Geology and Prospecting 31(3), 9, 16-23
Yang, Xiaoyong, Huang, Jing, Sun, Liguang, Wang, Kuiren (2007) Geochemical studies on REE and trace elements from several Cu-Au deposits along the lower Yangtze metallogenic valley, central-southern Anhui Province. Chinese Journal of Geochemistry, 26 (2) 170-181 doi:10.1007/s11631-007-0170-z
Li, Yi; Li, Yang; Wang, Chang-Ming; Li, Xian-Hua (2022) Temporal-spatial coincidence may not always discern causality: Insights from two skarn deposits in Anqing and Zhibula, China. Ore Geology Reviews, 146. doi:10.1016/j.oregeorev.2022.104951
 
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