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Biotite from
Ngara Hill Occurrence, Dowa, Central Region, Malawi


Locality type:Occurrence
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 Ngara Hill Occurrence, Dowa, Central Region, Malawi
Data Identifiers
Mindat Occurrence Record ID:1429170
Long-form Identifier:1:3:1429170:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
31.3km (19.5 miles) ⓘKasungu Intrusion, Kasungu-Chipala Intrusions, North Nyasa Alkaline Province, Kasungu District, Central Region, Malawi
35.1km (21.8 miles) ⓘKasungu-Chipala Intrusions, North Nyasa Alkaline Province, Kasungu District, Central Region, Malawi
37.4km (23.2 miles) ⓘChipala Intrusion, Kasungu-Chipala Intrusions, North Nyasa Alkaline Province, Kasungu District, Central Region, Malawi
47.9km (29.7 miles) ⓘKongwe Occurrence, Dowa, Central Region, Malawi
49.6km (30.8 miles) ⓘUpper Bua Area, Lilongwe, Central Region, Malawi
86.1km (53.5 miles) ⓘChimwala, Chipangali District, Eastern Province, Zambia
References
Bloomfield, K. (1965). A reconnaissance survey of alkaline rocks in the northern and central regions. Records, Geological Survey of Malawi, 5, 17-63.
Bellingham, K. S., & Bromley, J. (1973). The geology of the Ntchisi-Middle Bua area. Government Printer.
 
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