Biotite from
Kyeongju Namsan, Gyeongju City, North Gyeongsang Province, South Korea
Locality type: | Intrusion | ||||||||||||||||
Classification | |||||||||||||||||
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Species: | 'Biotite' (not an IMA approved species) | ||||||||||||||||
Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 | ||||||||||||||||
Age information | |||||||||||||||||
Maximum recorded age: | 48.2 ± 0.7 Ma | ||||||||||||||||
Minimum recorded age: | 46.5 ± 0.9 Ma | ||||||||||||||||
Sample ages: |
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Sample references: |
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Confirmation | |||||||||||||||||
Validity: | Believed Valid | ||||||||||||||||
Data | |||||||||||||||||
Mineral Data: | Click here to view Biotite data | ||||||||||||||||
Locality Data: | Click here to view Kyeongju Namsan, Gyeongju City, North Gyeongsang Province, South Korea | ||||||||||||||||
Data Identifiers | |||||||||||||||||
Mindat Occurrence Record ID: | 1348185 | ||||||||||||||||
Long-form Identifier: | 1:3:1348185:2 | ||||||||||||||||
GUID (UUID V4): | 8c44b3f9-f7d7-4d96-a6be-637f9cf1786d | ||||||||||||||||
Nearest other occurrences of Biotite | |||||||||||||||||
11.1km (6.9 miles) | ⓘGigye-Gyeongju granite, Gyeongju City, North Gyeongsang Province, South Korea | ||||||||||||||||
72.8km (45.3 miles) | ⓘDaljeon Intrusion, Yeongdeok County, North Gyeongsang Province, South Korea | ||||||||||||||||
References | |||||||||||||||||