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Mt Tchivira, Lubango City Council, Huíla Province, Angola

Ref.: Eur. J. Mineral. , 1993, 5, pp. 1001-1024.

Lower Cretaceous alkaline-carbonatite complex (10 km diameter) in Precambrian granito-gneissic basement.
Carbonatite ring, rimmed to the east by fenitized ijolites, within nepheline syenite body.
Younger alkali gabbro/syenite intrusion.

References:
-Mariano, A. N., Roeder, P. L., 1989. Wöhlerite: chemical composition, cathodoluminescence and environment of crystallization. Canadian Mineralogist, 27: 709-720.





Mineral List:
Aegirine
Albite
'Albite-Anorthite Series'
Analcime
Ankerite
Anorthite
var: Bytownite
var: Labradorite
Anorthoclase
'Apatite'
Baryte
Biotite
Calcite
Cancrinite
Diopside
Dolomite
Ferropargasite
Forsterite
Hastingsite
Kaersutite
Magnesiokatophorite
Magnetite
Magnetite
var: Titaniferous Magnetite

Nepheline
Orthoclase
Phlogopite
Pyrite
Pyrochlore
Quartz
Sanidine
Titanite
Wöhlerite
Zirconolite


33 entries listed. 27 valid minerals.

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