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3456
(400 entries)
Epidote as a Semi-gemstone occurred within Lead/Zinc Ores and Iron Oxides Deposits
by Metwally Hamza
Galena Ore (PbS) surrounded by Zincite Ores (Zinc Oxides, ZnO) and Iron Oxides (Hematite, Magnetite, Goethite)
by Metwally Hamza
Epidote Occurrence within Lead/Zinc Ore Deposits
by Metwally Hamza
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
by Metwally Hamza
Siliceous Stone with Calcite (CaCO3) & Gypsum (CaSO4.2H2O) Deposits
by Metwally Hamza
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)
by Metwally Hamza
Siliceous Stone with Small Lines-shaped Slices of Calcite/Gypsum Deposits
by Metwally Hamza
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
by Metwally Hamza
Lead Ore with Gypsum/Calcite Slices and Needles
by Metwally Hamza
Lead & Zinc Ores as a result of the hydrothermal activity
by Metwally Hamza
Lead Ore within Lime Deposits
by Metwally Hamza
Sandstone with Kaolinite Bedding (brittle to semi cohorent)
by Metwally Hamza
Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture).
by Sophie Graul
An Original Outcrop of Sedimentary Bedding with Weathering Gaps and Holes
by Metwally Hamza
A Sedimentary Outcrop: graben lead to normal fold
by Metwally Hamza
EGU scientists holding up their badges at a climate protest 3
by Joppe Massant
Activist scientists connecting with each other
by Joppe Massant
EGU Scientists gathering before a climate protest
by Joppe Massant
EGU scientists holding up their badges at a climate protest
by Joppe Massant
EGU scientists holding up their badges at a climate protest 2
by Joppe Massant
Desperately seeking cover
by Stan Schouten
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