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

ⓘ 'Fayalite-Forsterite Series'

ⓘ 'Ferritchromit'

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

ⓘ Magnetite var: Titaniferous Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

ⓘ Pentlandite

Formula: (Fe_xNi_y)_Σ9S₈

ⓘ Pyrite

Formula: FeS₂

ⓘ Pyrrhotite

Formula: Fe₇S₈

ⓘ Quartz

Formula: SiO₂

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Pentlandite	2.BB.15	(Fe_xNi_y)_Σ9S₈
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe₇S₈
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var: Titaniferous Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
Group 9 - Silicates
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂
Unclassified Minerals, Rocks, etc.
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Ferritchromit'	-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 9:8
ⓘ	Pentlandite	2.7.1.1	(Fe_xNi_y)_Σ9S₈
A_mX_p, with m:p = 1:1
ⓘ	Pyrrhotite	2.8.10.1	Fe₇S₈
A_mB_nX_p, with (m+n):p = 1:2
ⓘ	Arsenopyrite	2.12.4.1	FeAsS
ⓘ	Pyrite	2.12.1.1	FeS₂
Group 4 - SIMPLE OXIDES
A₂X₃
ⓘ	Ilmenite	4.3.5.1	Fe²⁺TiO₃
Group 7 - MULTIPLE OXIDES
AB₂X₄
ⓘ	Chromite	7.2.3.3	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	7.2.2.3	Fe²⁺Fe³⁺₂O₄
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
ⓘ	Talc	71.2.1.3	Mg₃Si₄O₁₀(OH)₂
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
ⓘ	Quartz	75.1.3.1	SiO₂
Unclassified Minerals, Mixtures, etc.
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Ferritchromit'	-
ⓘ	Magnetite var: Titaniferous Magnetite	-	Fe²⁺(Fe³⁺,Ti)₂O₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	Oxygen
O	ⓘ Quartz	SiO₂
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Magnetite (var: Titaniferous Magnetite)	Fe²⁺(Fe³⁺,Ti)₂O₄
Mg	Magnesium
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
S	Sulfur
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Pentlandite	(Fe_xNi_y)_Σ9S₈
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe₇S₈
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Magnetite (var: Titaniferous Magnetite)	Fe²⁺(Fe³⁺,Ti)₂O₄
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pentlandite	(Fe_xNi_y)_Σ9S₈
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe₇S₈
Fe	ⓘ Magnetite (var: Titaniferous Magnetite)	Fe²⁺(Fe³⁺,Ti)₂O₄
Ni	Nickel
Ni	ⓘ Pentlandite	(Fe_xNi_y)_Σ9S₈
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS

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

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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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