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3456
(392 entries)
Siltstone & Kaolinite Outcrop
by Metwally Hamza
Under the watchful eye of the Vesuvius
by Annelotte Weert
Your very first Munro!
by Annelotte Weert
Another day of fieldwork on the 'Moon'
by Annelotte Weert
Travertine Terraces in the Škocjan caves
by David Tanner
Big iguana is watching you
by Nora Fahrenbach
Fossilized Coral Reefs, Al-Naizak Crater Lake, Marsa Alam City, Red Sea, Egypt
by Metwally Hamza
Geodetic Observatory Wettzell
by Arnab Laha
Outcrop of Calcite/Gypsum Full-growth Crystals
by Metwally Hamza
Outcrop of Desert Varnish
by Metwally Hamza
DESERT BOULDERS (due to weathering processes in the region)
by Metwally Hamza
Outcrop of S-shaped Stretching occurred in a layer of highly altered Limegrits
by Metwally Hamza
Outcrop of Calcite/Gypsum Deposits with Siltstone, Kaolinite, and Fanglomerates of the Red Sea Facies (EGYPT)
by Metwally Hamza
Needles-like Altered Gypsum Crystals within Lime and Sands Deposits
by Metwally Hamza
Mud Cracks Outcrop in Arid Area, Red Sea Coast, Egypt
by Metwally Hamza
Well-sorted Marine Clastics (medium- to coarse-sized) embedded within iron-oxides cement
by Metwally Hamza
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
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