Calucala nepheline syenite, Cuanza Norte Province, Angolai
Regional Level Types | |
---|---|
Calucala nepheline syenite | Occurrence |
Cuanza Norte Province | Province |
Angola | Country |
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Latitude & Longitude (WGS84):
9° 4' 59'' South , 14° 10' 0'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
A mesocratic nepheline syenite, referred to as etindite (Andrade, 1959).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Reference: de Andrade, M. M. (1959). Análises químicas de rochas eruptivas de Angola, publicadas até fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto, (4 Serie), 76. |
ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 Reference: de Andrade, M. M. (1959). Análises químicas de rochas eruptivas de Angola, publicadas até fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto, (4 Serie), 76. |
ⓘ 'Fayalite-Forsterite Series' Reference: de Andrade, M. M. (1959). Análises químicas de rochas eruptivas de Angola, publicadas até fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto, (4 Serie), 76. |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 Reference: de Andrade, M. M. (1959). Análises químicas de rochas eruptivas de Angola, publicadas até fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto, (4 Serie), 76. |
ⓘ Nepheline Formula: Na3K(Al4Si4O16) Reference: de Andrade, M. M. (1959). Análises químicas de rochas eruptivas de Angola, publicadas até fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto, (4 Serie), 76. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
Group 9 - Silicates | |||
ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
Unclassified Minerals, Rocks, etc. | |||
ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
ⓘ | 'Fayalite-Forsterite Series' | - |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
O | Oxygen | |
O | ⓘ Nepheline | Na3K(Al4Si4O16) |
O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
F | Fluorine | |
F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Na | Sodium | |
Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
Mg | Magnesium | |
Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Al | Aluminium | |
Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Si | Silicon | |
Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
K | Potassium | |
K | ⓘ Nepheline | Na3K(Al4Si4O16) |
K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Ca | Calcium | |
Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ti | Titanium | |
Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Fe | Iron | |
Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)de Andrade, M.M. (1959) Análises químicas de rochas eruptivas de Angola, publicadas até fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto: 4 Serie: 76.
Woolley, A.R. (2001) Alkaline rocks and carbonatites of the world. Part 3: Africa. Geological Society. Natural History Museum, London: 15.
External Links
Other Regions, Features and Areas containing this locality
African PlateTectonic Plate
- Kwanza basinBasin
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