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Sedimentology (31 entries)

Siltstone & Kaolinite Outcrop — Siltstone & Kaolinite Outcrop by Metwally Hamza

Fossilized Coral Reefs, Al-Naizak Crater Lake, Marsa Alam City, Red Sea, Egypt — Fossilized Coral Reefs, Al-Naizak Crater Lake, Marsa Alam City, Red Sea, Egypt by Metwally Hamza

Calcite Crystals Occurred in the Pb/Zn Ores Depositional Environment as a result of the Hydrothermal Activity — Calcite Crystals Occurred in the Pb/Zn Ores Depositional Environment as a result of the Hydrothermal Activity by Metwally Hamza

Needles-like Calcite Crystals with Pb/Zn Ores Occurrence — Needles-like Calcite Crystals with Pb/Zn Ores Occurrence by Metwally Hamza

Needles-like Calcite Crystals within Limegrits in a region of Pb/Zn Ores Occurrence — Needles-like Calcite Crystals within Limegrits in a region of Pb/Zn Ores Occurrence by Metwally Hamza

Outcrop of Calcite/Gypsum Full-growth Crystals — Outcrop of Calcite/Gypsum Full-growth Crystals by Metwally Hamza

DESERT BOULDERS (due to weathering processes in the region) — 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 — 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) — 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 — Needles-like Altered Gypsum Crystals within Lime and Sands Deposits by Metwally Hamza

Cross section of shelly phosphorite from Ülgase, Estonia — Cross section of shelly phosphorite from Ülgase, Estonia by Sophie Graul

Cross-section of a brachiopod from the shelly phosphorite of Estonia, former Ülgase mine — Cross-section of a brachiopod from the shelly phosphorite of Estonia, former Ülgase mine by Sophie Graul

Mud Cracks Outcrop in Arid Area, Red Sea Coast, Egypt — 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 — Well-sorted Marine Clastics (medium- to coarse-sized) embedded within iron-oxides cement by Metwally Hamza

Sandstone with Kaolinite Bedding (brittle to semi cohorent) — Sandstone with Kaolinite Bedding (brittle to semi cohorent) by Metwally Hamza

Micro textures of Estonian shelly phsophorites — Micro textures of Estonian shelly phsophorites by Sophie Graul

Section of a drillcore containing Tremadocian black-shale — Section of a drillcore containing Tremadocian black-shale by Sophie Graul

Shelly phosphorites from the Aseri deposit. — Shelly phosphorites from the Aseri deposit. by Sophie Graul

Carbonate-cemented shelly phosphorite — Carbonate-cemented shelly phosphorite by Sophie Graul

Microphotograph of a calcite geode found in a glendonite structure — Microphotograph of a calcite geode found in a glendonite structure by Sophie Graul

Shelly phosphorite drill core — Shelly phosphorite drill core by Sophie Graul

Pyritised brachiopod shell from Aseri phosphorite deposit — Pyritised brachiopod shell from Aseri phosphorite deposit by Sophie Graul

Pyritised shell fragment from the Toolse phosphorite deposit, Estonia — Pyritised shell fragment from the Toolse phosphorite deposit, Estonia by Sophie Graul

Iron-rich shelly phosphorite, Estonia — Iron-rich shelly phosphorite, Estonia by Sophie Graul

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