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Gabal Um Halham, Eastern Desert, Red Sea, Egypti
Regional Level Types
Gabal Um Halham- not defined -
Eastern DesertDesert
Red SeaGovernorate
EgyptCountry

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Key
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Latitude & Longitude (WGS84): 26° 21' North , 33° 43' East
Latitude & Longitude (decimal): 26.35000,33.71667
GeoHash:G#: ssxvzhzez
Köppen climate type:BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Safaga32,944 (2017)49.6km


Part of El‐Rubshi ophiolite.

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 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:

Arsenopyrite
Formula: FeAsS
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
'Fayalite-Forsterite Series'
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
'Ferritchromit'
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Ilmenite
Formula: Fe2+TiO3
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Magnetite var: Titaniferous Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Pyrite
Formula: FeS2
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Pyrrhotite
Formula: Fe7S8
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Quartz
Formula: SiO2
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Abdel‐Karim, A. A. M., & El‐Shafei, S. A. (2018). Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Pentlandite2.BB.15(FexNiy)Σ9S8
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
var: Titaniferous Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Quartz4.DA.05SiO2
Group 9 - Silicates
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Ferritchromit'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Fayalite-Forsterite Series'-
'Ferritchromit'-
Magnetite
var: Titaniferous Magnetite
-Fe2+(Fe3+,Ti)2O4

List of minerals for each chemical element

HHydrogen
H TalcMg3Si4O10(OH)2
OOxygen
O QuartzSiO2
O TalcMg3Si4O10(OH)2
O ChromiteFe2+Cr23+O4
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
MgMagnesium
Mg TalcMg3Si4O10(OH)2
SiSilicon
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
SSulfur
S ArsenopyriteFeAsS
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S PyrrhotiteFe7S8
TiTitanium
Ti IlmeniteFe2+TiO3
Ti Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ArsenopyriteFeAsS
Fe ChromiteFe2+Cr23+O4
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
NiNickel
Ni Pentlandite(FexNiy)Σ9S8
AsArsenic
As ArsenopyriteFeAsS

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)
Abdel‐Karim, A.A.M. and El‐Shafei, S.A. (2018) Mineralogy and chemical aspects of some ophiolitic metaultramafics, central Eastern Desert, Egypt: Evidences from chromites, sulphides and gangues. Geological Journal, 53(2), 580-599.


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