Concentrically zoned mafic-ultramafic intrusion, composed mainly of plagioclase hornblendite (60%), olivine-plagioclase hornblendite (20%), and minor hornblende-plagioclase pyroxenite, olivine-hornblende clinopyroxenite, lherzolite and dunite (17% overall). The dunite core is surrounded by an envelope of sulphide-bearing ultramafic rocks, zoned laterally from inner spinel lherzolite through olivine-hornblende clinopyroxenite to outer hornblende-plagioclase pyroxenite.

Located about 130 km east of Aswan (Assuan).

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Mineral List

ⓘ 'Amphibole Supergroup'

ⓘ Augite

ⓘ Chalcopyrite

ⓘ 'Chlorite Group'

ⓘ 'Chrome-Spinel (of Dana)'

ⓘ Chrysocolla

ⓘ 'Clinopyroxene Subgroup'

ⓘ Cubanite

ⓘ Diopside

ⓘ 'Fayalite-Forsterite Series'

ⓘ 'Hornblende Root Name Group'

ⓘ Mackinawite

ⓘ Magnesio-hornblende

ⓘ var. Palladium-bearing Melonite

ⓘ 'Orthopyroxene Subgroup'

ⓘ 'Serpentine Subgroup'

ⓘ Spinel

ⓘ Valleriite

ⓘ Violarite

23 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical ListTree Diagram

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'

Formula:AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

Sharara, N. A., Wilson, G. C., & Rucklidge, J. C. (1999). Platinum-group elements and gold in Cu-Ni-mineralized peridotite at Gabbro Akarem, Eastern Desert, Egypt. Canadian Mineralogist, 37(5), 1081-1098.

ⓘ Augite

Formula:(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

Helmy, Hassan M., Mogessie, Aberra (2001) Gabbro Akarem, Eastern Desert, Egypt: Cu-Ni-PGE mineralization in a concentrically zoned mafic-ultramafic complex.Mineralium Deposita, 36 (1) 58-71 doi:10.1007/s001260050286

ⓘ Chalcopyrite

Formula:CuFeS₂

References:

El Aref, M., Abd El-Rahman, Y., Zoheir, B., Surour, A., Helmy, H. M., Abdelnasser, A., ... & Ibrahim, M. E. A. (2020). Mineral Resources in Egypt (I): Metallic Ores. In The Geology of Egypt (pp. 521-587). Springer, Cham.

ⓘ 'Chlorite Group'

References:

ⓘ 'Chrome-Spinel (of Dana)'

References:

ⓘ Chrysocolla

Formula:Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x< 1

ⓘ 'Clinopyroxene Subgroup'

References:

ⓘ Cubanite

Formula:CuFe₂S₃

References:

ⓘ Diopside

Formula:CaMgSi₂O₆

References:

ⓘ 'Fayalite-Forsterite Series'

References:

ⓘ 'Garnierite'

ⓘ Gold

Formula:Au

References:

ⓘ Gold var. Electrum

Formula:(Au,Ag)

References:

ⓘ Hessite

Formula:Ag₂Te

References:

ⓘ 'Hornblende Root Name Group'

Formula:◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂

ⓘ Mackinawite

Formula:FeS

References:

ⓘ Magnesio-hornblende

Formula:◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂

References:

ⓘ Magnesite

Formula:MgCO₃

References:

ⓘ Magnetite

Formula:Fe²⁺Fe³⁺₂O₄

References:

ⓘ Malachite

Formula:Cu₂(CO₃)(OH)₂

ⓘ Marcasite

Formula:FeS₂

References:

ⓘ Melonite

Formula:NiTe₂

References:

ⓘ Melonite var. Palladium-bearing Melonite

Formula:(Ni,Pd)Te₂

References:

ⓘ Merenskyite

Formula:PdTe₂

References:

ⓘ Michenerite

Formula:PdBiTe

References:

ⓘ Millerite

Formula:NiS

References:

ⓘ 'Olivine Group'

Formula:M₂SiO₄

References:

ⓘ 'Orthopyroxene Subgroup'

References:

ⓘ Pentlandite

Formula:(Ni_xFe_y)_Σ9S₈

References:

ⓘ 'Plagioclase'

Formula:(Na,Ca)[(Si,Al)AlSi₂]O₈

References:

ⓘ Pyrite

Formula:FeS₂

References:

ⓘ Pyrrhotite

Formula:Fe_1-xS

References:

ⓘ 'Serpentine Subgroup'

Formula:D₃[Si₂O₅](OH)₄

References:

ⓘ Spinel

Formula:MgAl₂O₄

References:

ⓘ Valleriite

Formula:(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆

References:

ⓘ Violarite

Formula:Fe²⁺Ni³⁺₂S₄

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold var. Electrum	1.AA.05	(Au,Ag)
ⓘ		1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Cubanite	2.CB.55a	CuFe₂S₃
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Mackinawite	2.CC.25	FeS
ⓘ	Violarite	2.DA.05	Fe²⁺Ni³⁺₂S₄
ⓘ	Melonite	2.EA.20	NiTe₂
ⓘ	Merenskyite	2.EA.20	PdTe₂
ⓘ	Melonite var. Palladium-bearing Melonite	2.EA.20	(Ni,Pd)Te₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
ⓘ	Michenerite	2.EB.25	PdBiTe
ⓘ	Valleriite	2.FD.30	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
Group 5 - Nitrates and Carbonates
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 9 - Silicates
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Magnesio-hornblende	9.DE.10	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Chrome-Spinel (of Dana)'	-
ⓘ	'Garnierite'	-
ⓘ	'Orthopyroxene Subgroup'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Olivine Group'	-	M₂SiO₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x< 1
H	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
H	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
C	Carbon
C	ⓘ Magnesite	MgCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x< 1
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Magnesite	MgCO₃
O	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
O	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Olivine Group	M₂SiO₄
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
Al	Aluminium
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x< 1
Al	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
Al	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x< 1
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Si	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Olivine Group	M₂SiO₄
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Cubanite	CuFe₂S₃
S	ⓘ Mackinawite	FeS
S	ⓘ Marcasite	FeS₂
S	ⓘ Millerite	NiS
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
S	ⓘ Violarite	Fe²⁺Ni₂³⁺S₄
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ca	Calcium
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Cubanite	CuFe₂S₃
Fe	ⓘ Mackinawite	FeS
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
Fe	ⓘ Violarite	Fe²⁺Ni₂³⁺S₄
Ni	Nickel
Ni	ⓘ Melonite	NiTe₂
Ni	ⓘ Millerite	NiS
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Ni	ⓘ Violarite	Fe²⁺Ni₂³⁺S₄
Ni	ⓘ Melonite var.Palladium-bearing Melonite	(Ni,Pd)Te₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x< 1
Cu	ⓘ Cubanite	CuFe₂S₃
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Valleriite	(Fe²⁺,Cu)₄(Mg,Al)₃S₄(OH,O)₆
Pd	Palladium
Pd	ⓘ Merenskyite	PdTe₂
Pd	ⓘ Michenerite	PdBiTe
Pd	ⓘ Melonite var.Palladium-bearing Melonite	(Ni,Pd)Te₂
Ag	Silver
Ag	ⓘ Gold var.Electrum	(Au,Ag)
Ag	ⓘ Hessite	Ag₂Te
Te	Tellurium
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Melonite	NiTe₂
Te	ⓘ Merenskyite	PdTe₂
Te	ⓘ Michenerite	PdBiTe
Te	ⓘ Melonite var.Palladium-bearing Melonite	(Ni,Pd)Te₂
Au	Gold
Au	ⓘ Gold var.Electrum	(Au,Ag)
Au	ⓘ Gold	Au
Bi	Bismuth
Bi	ⓘ Michenerite	PdBiTe

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate

Arabian Plate

Arabian-Nubian ShieldShield
- East Desert TerraneVolcanic Arc

Arabian Plate

Arabian-Nubian Shield
- Nubian ShieldShield

Egypt

Eastern DesertDesert

North Africa

Sahara DesertDesert

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References

Helmy, H. M. (2005). Melonite group minerals and other tellurides from three Cu–Ni–PGE prospects, Eastern Desert, Egypt. Ore Geology Reviews, 26(3-4), 305-324.

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Gabbro Akarem Cu-Ni deposit, Red Sea Governorate, EgyptiRegional Level TypesGabbro Akarem Cu-Ni depositDeposit Red Sea GovernorateGovernorate EgyptCountry

Select Mineral List Type

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Gabbro Akarem Cu-Ni deposit, Red Sea Governorate, Egypt i
Regional Level Types
Gabbro Akarem Cu-Ni deposit Deposit
Red Sea Governorate Governorate
Egypt Country