Lapido-Loureiro, F.E. 1967. Consideracoes sobre o quimismo dos sienitos nefelinicos. Breves referencias a rochas alcalinas de Angola e ao seu interesse economico. Boletim do Instituto de Investigacao Cientifica de Angola, 4, 37-65.

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

de Andrade, M.M. (1957) Rochas vulcanicas da orla mesocenozoica entre Benguela e Mocamedes [Volcanic rocks from the Mesocenozoic border between Benguela and Mocamedes]. Garcia de Orta. Revista da Junta das Missões Geográficas e de Investigações do Ultramar, 5. 739-768

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

ⓘ Augite var. Titanium-bearing Augite

Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

ⓘ 'Fayalite-Forsterite Series'

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

References:

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	var. Titanium-bearing Augite	9.DA.15	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
Unclassified
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	Oxygen
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Mg	Magnesium
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Fayalite-Forsterite Series
Mg	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Al	Aluminium
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Si	Silicon
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Orthoclase	K(AlSi₃O₈)
Ca	Calcium
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Fe	Iron
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Fayalite-Forsterite Series
Fe	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆

Other Regions, Features and Areas containing this locality

AfricaContinent

African PlateTectonic Plate

Congo Craton
- Angolan ShieldShield
Namibe basinBasin

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References

Beetz, P. F. W. (1934). Geology of south west Angola, between Cunene and Lunda axis. South African Journal of Geology, 37(1), 137-176.

Woolley, A. R. (2001) Alkaline Rocks and Carbonatites of the World, Part 3: Africa - Alkaline Rocks and Carbonatites of the World. The Geological Society of London.p.20

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Chapeu Armado dikes, Moçâmedes, Namibe Province, AngolaiRegional Level TypesChapeu Armado dikesGroup of Dikes MoçâmedesMunicipality Namibe ProvinceProvince AngolaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Chapeu Armado dikes, Moçâmedes, Namibe Province, Angola i
Regional Level Types
Chapeu Armado dikes Group of Dikes
Moçâmedes Municipality
Namibe Province Province
Angola Country