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Petrology
(33 entries)
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Contact between Ortho-gneiss and Para-gneiss
by Metwally Hamza
Outcrop of Quartz Migmatite
by Metwally Hamza
Outcrop of Gabbro Xenoliths in G3-Granite
by Metwally Hamza
Block of Tonalite, Amphibolite, Migmatite, and Granodiorite
by Metwally Hamza
Weathering of Rock - Soil Formation
by Alwyn Biju
Skaergaard trough layers
by Gautier Nicoli
Wondering in Watkins Fjord, East Greenland
by Gautier Nicoli
Devitrification of Obsidian
by Joel Gill
Großglockner
by Wolfgang Fraedrich