367 valid minerals. 2 (TL) - type locality of valid minerals.

* - Minerals that have never been found, but their existence is inferred in some way (e.g. from pseudomorphs)

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ 'A-type granite'

ⓘ 'Actinolite schist'

ⓘ 'Actinolite-chlorite schist'

ⓘ 'Alkali olivine basalt'

ⓘ Alkali-feldspar-granite

ⓘ Banded iron formation

ⓘ 'CO3.8 chondrite meteorite'

ⓘ Dolomite-carbonatite

ⓘ 'Feldspar porphyry'

ⓘ H6 chondrite meteorite

ⓘ Harzburgite

ⓘ Hawaiite

ⓘ 'Hornblende harzburgite'

ⓘ Hornblende pyroxenite

ⓘ 'Hornblende schist'

ⓘ Hornblende-gabbro

ⓘ Hornfels

ⓘ 'Hydrothermal breccia'

ⓘ 'Kaolinitized granite'

ⓘ Lamprophyre

ⓘ Lapilli-tuff

ⓘ Latite

ⓘ 'Leucocratic nephelinolite'

ⓘ 'Mafic volcanic rock'

ⓘ 'Magnesian Limestone'

ⓘ Metasedimentary rock

ⓘ Metasiltstone

ⓘ Metatuff

ⓘ Metavolcanic rock

ⓘ Metavolcaniclastic rock

ⓘ 'Muscovite granite'

ⓘ 'Muscovite schist'

ⓘ 'Muscovite-biotite granite'

ⓘ 'Olivine nephelinite'

ⓘ Olivine-gabbronorite

ⓘ 'Pegmatitic granite'

ⓘ 'Pegmatoid'

ⓘ 'Peralkaline alkali-feldspar-granite'

ⓘ 'Peralkaline quartz-syenite'

ⓘ 'Peralkaline rhyolite'

ⓘ 'Peralkaline syenite'

ⓘ 'Peralkaline trachyte'

ⓘ Peridotite

ⓘ 'Petrified Wood'

ⓘ 'Phlogopite schist'

ⓘ 'Porphyritic granite'

ⓘ 'Quartz-feldspar porphyry'

ⓘ 'Riebeckite granite'

ⓘ 'Staurolite-mica schist'

ⓘ 'Ungrouped iron meteorite'

ⓘ Volcanic breccia

ⓘ Volcaniclastic rock

Detailed Mineral List:

ⓘ Acanthite

Formula: Ag₂S

Localities:

Western Mine, Um Samiuki, Red Sea Governorate, Egypt
Um Solimate, Red Sea Governorate, Egypt
Um Samiuki, Red Sea Governorate, Egypt

References:

Mineralium Deposita Volume 39, Numbers 5-6, 608-621

Zoheir, Basem, Lohmeier, Stephanie, Tang, Yongyong, Martin, Andrew (2024) Geochemical and geochronological studies of the Um Samiuki deposit (Eastern Desert, Egypt): Metal mobilization in a stratabound massive sulfide ore. Ore Geology Reviews, 166. 105967 doi:10.1016/j.oregeorev.2024.105967

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

Localities: Reported from at least 18 localities in this region.

References:

Journal of African Earth Sciences Volume 58, Issue 2, September 2010, Pages 305–320

M. Hassaan, A. El-Mezayen, Mervat S. Hassan, T. Ramadan and H. El-Desoky (2009) On the Metamorphism of Hafafit Sillimanite-bearing Pelitic Schists, Nubian Shield: Geochemical and Mineralogical Contributions. Australian Journal of Basic and Applied Sciences, 3(1): 229-253

ⓘ 'Actinolite-Tremolite Series'

Locality: Atud mine, Red Sea Governorate, Egypt

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Localities: Reported from at least 13 localities in this region.

References:

Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.

Mohamed, F. H. (1996). Geochemistry of Bir Um Hibal complex: alkaline syenites and granites from the Eastern Desert of Egypt. CHEMIE DER ERDE-GEOCHEMISTRY, 56(1), 45-64.

Abdalla, H. M. (2006). An Overview on the REE‐Mineralized Alkaline Granites in Egypt, with Special Reference to the Abu Khruq and Gara El Hamra Bodies. Resource Geology, 56(3), 365-370.

ⓘ Aegirine-augite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆

Localities: Reported from at least 10 localities in this region.

References:

Akaad, M.K. & El-Ramly, M.F. 1962. The nepheline-syenite ring complex of Gebel Abu Khruq (South-eastern desert of Egypt). Geological Survey of Egypt, Paper, 14.

El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.

El Ramly, M. F., Dereniuk, N. E., Budanov, V. I., Armanious, L. K., & Hayek, G. G. (1969). A petrological study on the central part of the Gabal Abu Khruq ring complex. Geol Surv Egypt, Paper, (51).

Meneisy, M. Y., & MY, M. (1974). POTASSIUM-ARGON AGES OF NEPHELINE SEYENITE RING COMPLEXES IN EGYPT. Geologisches Jahrbuch, Hannover, D9, 33-39.

Gindy, A. R., AR, G., SO, K., EL RAMLY, M. F., & AI, A. (1978). Contributions to the petrochemistry and geochemistry of the alkaline rocks of Gabal Abu Khruq and Gabal El-Nuhud, South-Eastern Desert, Egypt. Chemie der Erde, 37, 285-301.

Serencsits, C. M., CM, S., KA, F., & El Ramly, M. F. (1979). Alkaline ring complexes in Egypt: their ages and relationship to tectonic development of the Red Sea. Annals of the Geological Survey of Egypt, 9, 102-116.

El-Ramly, M. F., & Hussein, A. A. (1982). The alkaline ring complexes of Egypt. Geol. Surv. Egypt, Paper, 63.

Omar, G. I., Kohn, B. P., Lutz, T. M., & Faul, H. (1987). The cooling history of Silurian to Cretaceous alkaline ring complexes, south Eastern Desert, Egypt, as revealed by fission-track analysis. Earth and planetary science letters, 83(1-4), 94-108. doi.org/10.1016/0012-821X(87)90054-9

Soliman, M. M. (1987). The younger granites and ring complexes of the Southeastern Desert of Egypt and their relation to mineralization. Journal of African Earth Sciences (1983), 6(5), 745-754. doi.org/10.1016/0899-5362(87)90010-8

Lutz, T. M., Foland, K. A., Faul, H., & Srogi, L. (1988). The strontium and oxygen isotopic record of hydrothermal alteration of syenites from the Abu Khruq complex, Egypt. Contributions to Mineralogy and Petrology, 98(2), 212-223. doi.org/10.1007/BF00402113

Landoll, J. D., Foland, K. A., Henderson, C. M. B. (1994) Nd isotopes demonstrate the role of contamination in the formation of coexisting quartz and nepheline syenites at the Abu Khruq Complex, Egypt. Contributions to Mineralogy and Petrology, 117 (3) 305-329 doi:10.1007/bf00310871

Abdalla, H. M. (2006). An Overview on the REE‐Mineralized Alkaline Granites in Egypt, with Special Reference to the Abu Khruq and Gara El Hamra Bodies. Resource Geology, 56(3), 365-370.

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.

Mogahed, M. M. (2016). Petrogenesis of cogenetic silica-oversaturated and-undersaturated syenites of Abu Khruq ring complex, South Eastern Desert, Egypt. Journal of African Earth Sciences, 124, 44-62.

Ismail, A. I., Ghabrial, D. S., Ibrahem, W. A., Eissa, M., Cazzaniga, A., Zanelli, C., & Dondi, M. (2018).Exploring syenites from ring complexes in the Eastern Desert (Egypt) as ceramic raw materials. Periodico di Mineralogia, 87(1).

ⓘ Aenigmatite

Formula: Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]

Localities:

Bir Um Hibal Complex, Aswan Governorate, Egypt
Gharib granite, Red Sea Governorate, Egypt

References:

Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.

Mohamed, F. H. (1996). Geochemistry of Bir Um Hibal complex: alkaline syenites and granites from the Eastern Desert of Egypt. CHEMIE DER ERDE-GEOCHEMISTRY, 56(1), 45-64.

ⓘ Aikinite

Formula: PbCuBiS₃

Locality: Gebel Gattar, Red Sea Governorate, Egypt

ⓘ Albite

Formula: Na(AlSi₃O₈)

Localities: Reported from at least 47 localities in this region.

References:

Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.

Mohamed, F. H. (1996). Geochemistry of Bir Um Hibal complex: alkaline syenites and granites from the Eastern Desert of Egypt. CHEMIE DER ERDE-GEOCHEMISTRY, 56(1), 45-64.

Abdalla, H. M. (2006). An Overview on the REE‐Mineralized Alkaline Granites in Egypt, with Special Reference to the Abu Khruq and Gara El Hamra Bodies. Resource Geology, 56(3), 365-370.

ⓘ Albite var. Andesine

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Localities: Reported from at least 6 localities in this region.

References:

Zoheir, B. A. (2008). Structural controls, temperature–pressure conditions and fluid evolution of orogenic gold mineralisation at the Betam mine, south Eastern Desert, Egypt. Mineralium Deposita, 43(1), 79-95.

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

Localities:

South Gabel Um Monqul, Red Sea Governorate, Egypt
Gabal Al Kharaza, Red Sea Governorate, Egypt

References:

Atef, Abdallah, Surour, Adel A., Madani, Ahmed A., Azer, Mokhles K. (2023) Au-Cu Resources in Some Mines from Antiquity in the South Gabal Um Monqul and Gabal Al Kharaza Prospects, North Eastern Desert, Egypt. Geosciences, 13 (9) doi:10.3390/geosciences13090283

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Localities: Reported from at least 10 localities in this region.

References:

ⓘ Albite var. Oligoclase-Albite

Formula: Na(AlSi₃O₈)

Localities:

South Gabel Um Monqul, Red Sea Governorate, Egypt
Gabal Al Kharaza, Red Sea Governorate, Egypt

References:

ⓘ Albite var. Pericline

Formula: Na(AlSi₃O₈)

Locality: Wadi Kid, South Sinai Governorate, Egypt

ⓘ 'Alkali Feldspar'

Localities: Reported from at least 16 localities in this region.