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Wadi Semna, Bir Semna, Eastern Desert, Red Sea, Egypti
Regional Level Types
Wadi Semna- not defined -
Bir Semna- not defined -
Eastern DesertDesert
Red SeaGovernorate
EgyptCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 26° 22' North , 33° 45' East
Latitude & Longitude (decimal): 26.36667,33.75000
GeoHash:G#: ssxvzzzuz
Köppen climate type:BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Safaga32,944 (2017)46.5km


No description has been added for this locality. Can you add one?

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 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:

Antigorite
Formula: Mg3(Si2O5)(OH)4
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Calcite
Formula: CaCO3
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Chlorite Group'
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Chromium
Formula: Cr
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Clinochlore var: Chromian Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Clinochlore var: Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Clinochlore var: Sheridanite
Formula: (Mg,Al,Fe)6(Si,Al)4O10(OH)8
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Dolomite
Formula: CaMg(CO3)2
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Fayalite-Forsterite Series'
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Ferritchromit'
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Magnesite
Formula: MgCO3
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Orthopyroxene Subgroup'
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Pyroxene Group'
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
'Serpentine Subgroup var: Bastite'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Spinel
Formula: MgAl2O4
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Azer, M. K., & Stern, R. J. (2007). Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Chromium1.AE.05Cr
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Antigorite9.ED.15Mg3(Si2O5)(OH)4
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Chromian Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
var: Ripidolite9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
var: Sheridanite9.EC.55(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Ferritchromit'-
'Orthopyroxene Subgroup'-
'Pyroxene Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'var: Bastite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Chromium1.1.12.1Cr
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Antigorite71.1.2a.1Mg3(Si2O5)(OH)4
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Clinochlore
var: Chromian Clinochlore
-Mg5(Al,Cr)2Si3O10(OH)8
var: Ripidolite-(Mg,Fe,Al)6(Si,Al)4O10(OH)8
var: Sheridanite-(Mg,Al,Fe)6(Si,Al)4O10(OH)8
'Fayalite-Forsterite Series'-
'Ferritchromit'-
'Orthopyroxene Subgroup'-
'Pyroxene Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'var: Bastite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H AntigoriteMg3(Si2O5)(OH)4
H Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H ChrysotileMg3(Si2O5)(OH)4
H LizarditeMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H TalcMg3Si4O10(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
H Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
H Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MagnesiteMgCO3
OOxygen
O AntigoriteMg3(Si2O5)(OH)4
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O CalciteCaCO3
O ChromiteFe2+Cr23+O4
O ChrysotileMg3(Si2O5)(OH)4
O DolomiteCaMg(CO3)2
O LizarditeMg3(Si2O5)(OH)4
O MagnesiteMgCO3
O MagnetiteFe2+Fe23+O4
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O SpinelMgAl2O4
O TalcMg3Si4O10(OH)2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
O Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
O Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
MgMagnesium
Mg AntigoriteMg3(Si2O5)(OH)4
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg ChrysotileMg3(Si2O5)(OH)4
Mg DolomiteCaMg(CO3)2
Mg LizarditeMg3(Si2O5)(OH)4
Mg MagnesiteMgCO3
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg SpinelMgAl2O4
Mg TalcMg3Si4O10(OH)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Mg Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Mg Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
AlAluminium
Al Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al SpinelMgAl2O4
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Al Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Al Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
SiSilicon
Si AntigoriteMg3(Si2O5)(OH)4
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si ChrysotileMg3(Si2O5)(OH)4
Si LizarditeMg3(Si2O5)(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si TalcMg3Si4O10(OH)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Si Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Si Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr ChromiumCr
Cr Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
MnManganese
Mn Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe ChromiteFe2+Cr23+O4
Fe MagnetiteFe2+Fe23+O4
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Fe Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
NiNickel
Ni Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine Subgroup (var: Bastite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

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

Ediacaran - Cryogenian
541 - 720 Ma



ID: 3306424

Age: Neoproterozoic (541 - 720 Ma)

Lithology: Sedimentary and volcaniclastic

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

Stenian - Ectasian
1000 - 1400 Ma



ID: 3184746
Mesoproterozoic volcanic and intrusive rocks

Age: Mesoproterozoic (1000 - 1400 Ma)

Lithology: Mafic-intermediate undivided volcanic 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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Azer, M.K. and Stern, R.J. (2007) Neoproterozoic (835–720 Ma) serpentinites in the Eastern Desert, Egypt: fragments of forearc mantle. The Journal of Geology, 115(4), 457-472.

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