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Abu Khurug Alkaline complex, Eastern Desert, Red Sea, Egypti
Regional Level Types
Abu Khurug Alkaline complexComplex
Eastern DesertDesert
Red SeaGovernorate
EgyptCountry

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Latitude & Longitude (WGS84): 24° 40' North , 34° 16' East
Latitude & Longitude (decimal): 24.66667,34.26667
GeoHash:G#: su2k7f2jx
Locality type:Complex
Köppen climate type:BWh : Hot deserts climate


A late Cretaceous alkaline ring complex approx. 50 km² in size consisting of nepheline syenite, phonolite & trachyte, alkali syenite, syenogabbro, and essexite.

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Albite
Formula: Na(AlSi3O8)
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
'Alkali Feldspar'
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Wooley, A.R. (2001): Alkaline rocks and carbonatites of the world, Part 3: Africa. Geological Society, London. 210-211. ; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
'Apatite'
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
'Biotite'
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Cancrinite
Formula: (Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Reference: Wooley, A.R. (2001): Alkaline rocks and carbonatites of the world, Part 3: Africa. Geological Society, London. 210-211. ; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
'Feldspar Group'
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
'Feldspar Group var: Perthite'
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Hedenbergite
Formula: CaFe2+Si2O6
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Orthoclase
Formula: K(AlSi3O8)
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
'Pyroxene Group'
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Quartz
Formula: SiO2
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.
Rutile
Formula: TiO2
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.
'Sodic plagioclase'
Reference: Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Titanite
Formula: CaTi(SiO4)O
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.; Abouzeid, A. Z. M., & Negm, A. T. A. (2014). Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy, 2014.
Zircon
Formula: Zr(SiO4)
Reference: OBEID, M.A. & LALONDE, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist 51, 537-558.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Cancrinite9.FB.05(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Hedenbergite9.DA.15CaFe2+Si2O6
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Nepheline9.FA.05Na3K(Al4Si4O16)
Orthoclase9.FA.30K(AlSi3O8)
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Alkali Feldspar'-
'Apatite'-
'Biotite'-
'Feldspar Group'-
'var: Perthite'-
'Pyroxene Group'-
'Sodic plagioclase'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Aegirine-augite65.1.3b.2(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Hedenbergite65.1.3a.2CaFe2+Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Cancrinite76.2.5.3(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Nepheline76.2.1.2Na3K(Al4Si4O16)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
'Alkali Feldspar'-
'Apatite'-
'Biotite'-
'Feldspar Group'-
'var: Perthite'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Pyroxene Group'-
'Sodic plagioclase'-

List of minerals for each chemical element

HHydrogen
H Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
H AnalcimeNa(AlSi2O6) · H2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
OOxygen
O NephelineNa3K(Al4Si4O16)
O QuartzSiO2
O ZirconZr(SiO4)
O RutileTiO2
O OrthoclaseK(AlSi3O8)
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O TitaniteCaTi(SiO4)O
O Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
O AnalcimeNa(AlSi2O6) · H2O
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O HedenbergiteCaFe2+Si2O6
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
NaSodium
Na NephelineNa3K(Al4Si4O16)
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al NephelineNa3K(Al4Si4O16)
Al OrthoclaseK(AlSi3O8)
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al AlbiteNa(AlSi3O8)
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si NephelineNa3K(Al4Si4O16)
Si QuartzSiO2
Si ZirconZr(SiO4)
Si OrthoclaseK(AlSi3O8)
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si TitaniteCaTi(SiO4)O
Si Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si HedenbergiteCaFe2+Si2O6
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
KPotassium
K NephelineNa3K(Al4Si4O16)
K OrthoclaseK(AlSi3O8)
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca TitaniteCaTi(SiO4)O
Ca Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca HedenbergiteCaFe2+Si2O6
TiTitanium
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AegirineNaFe3+Si2O6
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe HedenbergiteCaFe2+Si2O6
ZrZirconium
Zr ZirconZr(SiO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Obeid, M.A. and Lalonde, A.E. (2013) The geochemistry and petrogenesis of the late Cretaceous Abu Khurug Alkaline complex, Eastern Desert, Egypt. Canadian Mineralogist, 51, 537-558.
Wooley, A.R. (2001) Alkaline rocks and carbonatites of the world, Part 3: Africa. Geological Society, London. 58.
Abouzeid, A.Z.M. and Negm, A.T.A. (2014) Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore. International Journal of Mineralogy.


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