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Tangled Bank: Anastasia Formation sandstone 3430
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Tangled Bank: Anastasia Formation sandstone 3431
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Tangled Bank: Anastasia Formation sandstone 3433
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rochpaul5: Alpine View
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rochpaul5: Low Water, Pyrites, NY
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OttawaRocks: Chrysocolla Specimen at the 2024 Tucson Gem and Mineral Show. From the Planet mine, Arizona
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FunnyFence: 0014
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Burlingamebarley: SEDIMENTARY ROCKS
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murielrocher: Praia da Rocha, Portugal
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pbabygeol: IMG_20240330_134039819
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opaxir: SARDINIA - ISOLA PIANA GRANITO & POSIDONIA 249m
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opaxir: SARDINIA - ISOLA PIANA GRANITO & POSIDONIA 255m
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rwgabbro1: Geology of Fieldstone & Cobblestone Buildings, Part 20: Another Overall View of the Herrick House, Rockford, Illinois, USA (1847)
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hó: Volcanic plume
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Pfuetzi: Beautiful basalt formation on Vik's shoreline
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Pfuetzi: Pinnacles and raves at the Omarama Clay Cliffs
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Russell-Davies: Beinn Fhada Ridge Winter
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hó: Klettur
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pbabygeol: Cambrian unconformity
FunnyFence: 1220145Ab
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Chief Bwana: Bounding surfaces
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Trolljegeren: Frillensee at Zugspitze
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Pfuetzi: Omarama Clay Cliffs
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threejumps: Salt drying
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rochpaul5: Cave Formation, Clarksville, NY
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Pfuetzi: Mammoth Hot Springs, Yellowstone National Park
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rwgabbro1: The Geology of Terra-Cotta, Part 15: Putting One's Best Face Forward, the Ansorge Fish Market Building, Kenosha, Wisconsin, USA (ca. 1922)
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Russell-Davies: Stob Coire Raineach
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Chief Bwana: Tree-t for geophysicists
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Rising Tide Images: Sunrise on the Ridgeline