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Jabal Al Hasawinah, Wadi Al Shatii' District (Ash Shati District), Libyai
Regional Level Types
Jabal Al Hasawinah- not defined -
Wadi Al Shatii' District (Ash Shati District)District

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Latitude & Longitude (WGS84): 28° 15' North , 14° 0' East
Latitude & Longitude (decimal): 28.25000,14.00000
GeoHash:G#: sm1bwwf2p
Köppen climate type:BWh : Hot deserts climate

Poikilitic eudialyte outcrops in a strongly peralkaline phonolitic cumulo-dome, in Jabal Al Hasawinah (a mountain range(?)).

Located in Baladiyat ash Shati' district (prior to changing district system).

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

4 valid minerals.

Detailed Mineral List:

Formula: NaFe3+Si2O6
Reference: Oun, K. M. (1991): On the poikilitic nature of Jabal Al Hasawinah eudialyte. Mineralogical Magazine 55, 543-547.
Formula: Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Reference: Oun, K. M. (1991): On the poikilitic nature of Jabal Al Hasawinah eudialyte. Mineralogical Magazine 55, 543-547.
Formula: Na3K(Al4Si4O16)
Reference: Oun, K. M. (1991): On the poikilitic nature of Jabal Al Hasawinah eudialyte. Mineralogical Magazine 55, 543-547.
Formula: Na8(Al6Si6O24)Cl2
Reference: Oun, K. M. (1991): On the poikilitic nature of Jabal Al Hasawinah eudialyte. Mineralogical Magazine 55, 543-547.

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates

List of minerals arranged by Dana 8th Edition classification

Group 64 - CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
Rings with Other Anions and Insular Silicate Groups with mixed ring types
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species

List of minerals for each chemical element

H EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
O EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
O NephelineNa3K(Al4Si4O16)
O SodaliteNa8(Al6Si6O24)Cl2
O AegirineNaFe3+Si2O6
Na EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Na NephelineNa3K(Al4Si4O16)
Na SodaliteNa8(Al6Si6O24)Cl2
Na AegirineNaFe3+Si2O6
Al NephelineNa3K(Al4Si4O16)
Al SodaliteNa8(Al6Si6O24)Cl2
Si EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Si NephelineNa3K(Al4Si4O16)
Si SodaliteNa8(Al6Si6O24)Cl2
Si AegirineNaFe3+Si2O6
Cl EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Cl SodaliteNa8(Al6Si6O24)Cl2
K NephelineNa3K(Al4Si4O16)
Ca EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Mn EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Fe EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Fe AegirineNaFe3+Si2O6
Zr EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Ordovician - Cambrian
443.8 - 541 Ma

ID: 3307328

Age: Paleozoic (443.8 - 541 Ma)

Lithology: Sedimentary

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Ordovician - Cambrian
443.8 - 541 Ma

ID: 3187844
Paleozoic sedimentary rocks

Age: Paleozoic (443.8 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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Oun, K.M. (1991) On the poikilitic nature of Jabal Al Hasawinah eudialyte. Mineralogical Magazine, 55, 543-547.

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