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  • Home /
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  • Africa /
  • Northern Africa (172 entries)
Lead/Zinc Ore Deposits surrounded by Iron Oxides Deposits (Hematite, Magnetite & Goethite) with Calcite/Gypsum
Lead/Zinc Ore Deposits surrounded by Iron Oxides Deposits (Hematite, Magnetite & Goethite) with Calcite/Gypsum by Metwally Hamza
Gypsum Slice embedded in Lead/Zinc Ores Layer
Gypsum Slice embedded in Lead/Zinc Ores Layer by Metwally Hamza
Siliceous Stone with Calcite (CaCO3) & Gypsum (CaSO4.2H2O) Deposits
Siliceous Stone with Calcite (CaCO3) & Gypsum (CaSO4.2H2O) Deposits by Metwally Hamza
Growth of Calcite (CaCO3) & Gypsum (CaSO4.2H2O) on Lead/Zinc Ore Deposits
Growth of Calcite (CaCO3) & Gypsum (CaSO4.2H2O) on Lead/Zinc Ore Deposits by Metwally Hamza
Growth of Calcite (CaCO3) Crystals on Lead Ore (Galena, PbS) & Zinc Ore (Zincite, ZnO)
Growth of Calcite (CaCO3) Crystals on Lead Ore (Galena, PbS) & Zinc Ore (Zincite, ZnO) by Metwally Hamza
Siliceous Stone with Small Lines-shaped Slices of Calcite/Gypsum Deposits
Siliceous Stone with Small Lines-shaped Slices of Calcite/Gypsum Deposits by Metwally Hamza
Calcite/Gypsum Crystals Growth on Lead/Zinc Ores Deposits
Calcite/Gypsum Crystals Growth on Lead/Zinc Ores Deposits by Metwally Hamza
Sample of Lead/Zinc Ores with Calcite/Gypsum Deposits as a result of the hydrothermal activity
Sample of Lead/Zinc Ores with Calcite/Gypsum Deposits as a result of the hydrothermal activity by Metwally Hamza
Lead Ore with Gypsum/Calcite Slices and Needles
Lead Ore with Gypsum/Calcite Slices and Needles by Metwally Hamza
Lead & Zinc Ores as a result of the hydrothermal activity
Lead & Zinc Ores as a result of the hydrothermal activity by Metwally Hamza
Lead Ore within Lime Deposits
Lead Ore within Lime Deposits by Metwally Hamza
Sandstone with Kaolinite Bedding (brittle to semi cohorent)
Sandstone with Kaolinite Bedding (brittle to semi cohorent) by Metwally Hamza
An Original Outcrop of Sedimentary Bedding with Weathering Gaps and Holes
An Original Outcrop of Sedimentary Bedding with Weathering Gaps and Holes by Metwally Hamza
A Sedimentary Outcrop: graben lead to normal fold
A Sedimentary Outcrop: graben lead to normal fold by Metwally Hamza
The outcrop of G3-granite
The outcrop of G3-granite by Metwally Hamza
The Original Photo of Coral Fossilized Colony
The Original Photo of Coral Fossilized Colony by Metwally Hamza
Geologist Metwally Hamza with one of his Geological Samples Collections, Cairo, Egypt
Geologist Metwally Hamza with one of his Geological Samples Collections, Cairo, Egypt by Metwally Hamza
Malachite & Azurite ( Chrysocolla ) Sample
Malachite & Azurite ( Chrysocolla ) Sample by Geologist / Ahmed Rady
An ideal outcrop of the recumbent fold
An ideal outcrop of the recumbent fold by Metwally Hamza
M. Hamza's Geological Samples Collection: sample of calcite crystals
M. Hamza's Geological Samples Collection: sample of calcite crystals by Metwally Hamza
G2-granite hand sample taken from its incubating mountain
G2-granite hand sample taken from its incubating mountain by Metwally Hamza
The Holy Chair of the Prophet Moses, from G3-granite Rock, Saint Catherine, Egypt
The Holy Chair of the Prophet Moses, from G3-granite Rock, Saint Catherine, Egypt by Metwally Hamza
The ptygmatic fold in nature, South Sinai, Egypt
The ptygmatic fold in nature, South Sinai, Egypt by Metwally Hamza
The collapsed archway
The collapsed archway by Adam Ciesielski
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