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  • Geochemistry, Mineralogy, Petrology & Volcanology (1029 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
Qarni Yarig mud volcano, Iran
Qarni Yarig mud volcano, Iran by Mehrdad Sarhangi
Microscopic studies in economic geology
Microscopic studies in economic geology by Mohammad Goudarzi
Blue schist from the Isle of Groix
Blue schist from the Isle of Groix by Sophie Graul
Blue schist sample from the Isle of Groix with ferroglaucophane
Blue schist sample from the Isle of Groix with ferroglaucophane by Sophie Graul
Blue schist sample from the Isle of Groix with ferroglaucophane
Blue schist sample from the Isle of Groix with ferroglaucophane by Sophie Graul
Blue schist from the Isle of Groix
Blue schist from the Isle of Groix by Sophie Graul
Broken schorl in a pegmatite
Broken schorl in a pegmatite by Sophie Graul
Layers of muscovite in a pegmatite vein
Layers of muscovite in a pegmatite vein by Sophie Graul
Epidote in blueschist
Epidote in blueschist by Sophie Graul
Details of blueschists
Details of blueschists by Sophie Graul
Glaucophane and epidotes in Blue schists
Glaucophane and epidotes in Blue schists by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
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