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Geological maping at gold prospect, Iran
by Mohammad Goudarzi
Cupper extraction from a local mine, Iran
by Mohammad Goudarzi
Sealed soil under the storm
by Antonio Jordán
Rising beyond the riverbanks: urban growth of Seville
by Antonio Jordán
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
On the top with the oldest free-floating cable car in the world
by Maria Bostenaru Dan
On the way between Trei Brazi and Poiana Secuilor, two hamlets in the Bucegi mountains
by Maria Bostenaru Dan
Winter sunrise on the Black Sea coast
by Maria Bostenaru Dan
Winter sunrise in Mangalia on the Black Sea coast
by Maria Bostenaru Dan
St. Magdalena (Bozen) früher auch Prazöll
by Maria Bostenaru Dan
Muddy waters, timeless journeys
by Antonio Jordán
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