Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China


Locality type:Ore Field
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 Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:865288
Long-form Identifier:1:3:865288:1
GUID (UUID V4):0
Localities for Biotite in this Region
Bijiashan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
Wandongshan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
Nearest other occurrences of Biotite
1.3km (0.8 miles) ⓘWandongshan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
2.3km (1.4 miles) ⓘBijiashan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
56.3km (35.0 miles) ⓘJinhe intrusion, Jianchuan County, Dali, Yunnan, China
73.9km (45.9 miles) ⓘLuandongshan ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
74.1km (46.0 miles) ⓘShuangmacao Au deposit, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
74.2km (46.1 miles) ⓘBaoxingchang ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
74.7km (46.4 miles) ⓘJinchangqing ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
75.6km (47.0 miles) ⓘMachangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
100.0km (62.1 miles) ⓘZhuopan, Yunlong County, Dali, Yunnan, China
References
Wenyan He, Xuanxue Mo, Xuehui Yu, Zhonghua He, Guochen Dong, Xiaobo Liu, Gangsheng Su, and Xiongfei Huang (2013): Acta Petrologica Sinica 29(4), 1301-1310
Zhonghua He, Yunman Zhou, Wenyan He, Gangsheng Su, Wanhua Li, and Shaowen Yang (2013): Mineral Deposits 32(2), 244-258
Fu, Yu, Sun, Xiaoming, Li, Dengfeng, Lin, Hai, Lai, Chunkit (2017) LA-ICP-MS U-Th-Pb Dating and Trace Element Geochemistry of Allanite: Implications on the Different Skarn Metallogenesis between the Giant Beiya Au and Machangqing Cu-Mo-(Au) Deposits in Yunnan, SW China. Minerals, 7 (12) 251 doi:10.3390/min7120251
Fu, Yu, Sun, Xiaoming, Li, Dengfeng, Lin, Hai (2018) U-Pb Geochronology and Geochemistry of U-Rich Garnet from the Giant Beiya Gold-Polymetallic Deposit in SW China: Constraints on Skarn Mineralization Process. Minerals, 8 (4) 128 doi:10.3390/min8040128
Xu, Bo; Hou, Zeng-qian; Griffin, William L; Zhou, Ye; Zhang, Yu-Fei; Lu, Yong-Jun; Belousova, Elena; Xu, Ji-Feng; O’Reilly, Suzanne Y (2021) Elevated magmatic chlorine and sulfur concentrations in the Eocene-Oligocene Machangqing Cu-Mo porphyry systems.
Gao, X., Sun, X., Fu, Y., & Liu, Q. (2022). Garnet geochemistry of the giant Beiya gold–polymetallic deposit in SW China: Insights into fluid evolution during skarn formation. Ore Geology Reviews, 105198.
He, Wenyan, Xing, Yanlu, Bao, Xinshang, Sun, Nuo, Gao, Xue, Yang, Liqiang (2024) Iron isotope constraints on the genesis of giant Beiya Au-base metal deposits, Yunnan, Southwest China. Ore Geology Reviews, 171. 106152 doi:10.1016/j.oregeorev.2024.106152
Zhang, Hong-Rui, He, Wen-Yan, Yang, Li-Qiang, Zhou, Yun-Man, Zhang, Rui-Rui, Zhao, Bo (2024) In-situ geochemical and isotopic analyses of multiple pyrite generations: Insights for the giant Beiya Au polymetallic ore genesis in southwestern China. Ore Geology Reviews, 106195 doi:10.1016/j.oregeorev.2024.106195
He, Wenyan; Xing, Yanlu; Bao, Xinshang; Sun, Nuo; Gao, Xue; Yang, Liqiang (2024) Iron isotope constraints on the genesis of giant Beiya Au-base metal deposits, Yunnan, Southwest China. Ore Geology Reviews, 171. 106152 doi:10.1016/j.oregeorev.2024.106152
Ren, Long, Huang, Jing, Wang, Xiaoze, Yang, Shaowen, Yang, Chunhai, Zhao, Chengfeng, Wang, Lidong, Mei, Wenzhou, Deng, Mingguo, Zhou, Yunman (2024) Magmatic control on orebody distribution of porphyry-skarn gold-copper deposit: A case study of Beiya deposit from Sanjiang metallogenic belt in the southwest China. Ore Geology Reviews, 175. 106350 doi:10.1016/j.oregeorev.2024.106350
 
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