Mt Bonga, Lubango City Council, Huíla Province, Angola

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Lower Cretaceous carbonatite plug (4 km diameter) in Precambrian granito-gneissic basement.

Ref.:
- Eur. J. Mineral. 5, 1001-1024 (1993)
- Orris, G.J., and Grauch, R.I. (2002): Rare earth element mines, deposits, and occurrences. USGS Open-File Report 02-189.

Mineral List:

Ankerite
'Apatite'
Baryte
Biotite
Calcite
Dolomite

'Garnet Group'
Magnetite
'Parisite'
Phlogopite
Pyrite
Pyrochlore

Quartz
Rutile
Strontianite
Synchysite-(Y)

16 entries listed. 12 valid minerals.

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