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  • 4608 (356 entries)
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
EGU scientists holding up their badges at a climate protest 3
EGU scientists holding up their badges at a climate protest 3 by Joppe Massant
Activist scientists connecting with each other
Activist scientists connecting with each other by Joppe Massant
EGU Scientists gathering before a climate protest
EGU Scientists gathering before a climate protest by Joppe Massant
EGU scientists holding up their badges at a climate protest
EGU scientists holding up their badges at a climate protest by Joppe Massant
EGU scientists holding up their badges at a climate protest 2
EGU scientists holding up their badges at a climate protest 2 by Joppe Massant
A bubble in the sedimentary rock
A bubble in the sedimentary rock by Konstantinos Kourtidis
Geometrical erosion of sedimentary rocks
Geometrical erosion of sedimentary rocks by Konstantinos Kourtidis
Abstract sedimentary rock art
Abstract sedimentary rock art by Konstantinos Kourtidis
A view from the Ukko-Koli, FInland
A view from the Ukko-Koli, FInland by Teemu Karlsson
Intermittent wind in the mountains (Ecrins, Alps)
Intermittent wind in the mountains (Ecrins, Alps) by Auguste Gires
Cartoon rainfall cloud over a field
Cartoon rainfall cloud over a field by Auguste Gires
Disdrometers and green roof samples enjoying a nice sunset after a long day of work
Disdrometers and green roof samples enjoying a nice sunset after a long day of work by Auguste Gires
Take me back to the place that I know on the beach in Cadiz
Take me back to the place that I know on the beach in Cadiz by Antonio Jordán
Lake in the lowlands of Stordalen catchment
Lake in the lowlands of Stordalen catchment by Laurent Orgogozo
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