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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