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Iceland
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Iceland
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Polarised light micrograph of a thin section of quartz porphyry a type of igneous rock Essential mineral components include quartz alkaline feldspa
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Iceland
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Iceland
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Greenland
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Polarised light micrograph of a thin section of granite a coarse-grained igneous rock composed of quartz feldspar and mafic minerals (which usually
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Iceland
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Iceland
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A square of Gabbro A mafic igneous rock which is dark and coarse grained Equivalent chemically to Basalt This rock underlays the vast majority of E
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Costa Rica
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Spain
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Spain
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Spain
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Spain
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Spain
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Physical weathering Large boulders of igneous rock shaped by weathering Weathering is the denudation of rock by a variety of physical processes Her
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Volcanic peaks against deep blue sky Jandia peninsula Fuerteventura Canary Islands Spain Europe by Ian Murray
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Two pairs of pink-coloured pink club anemone (Telmatactis cricoides) in colour pink pink sitting in settle on rock reef of lava rock East Atlantic M
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Lava bomb in front of Caldera Colorada Parque Natural de Los Volcanes near Masdache Lanzarote Canary Islands Spain Europe by Walter G Allgöwer
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Lava bomb in front of Caldera Colorada Parque Natural de Los Volcanes near Masdache Lanzarote Canary Islands Spain Europe by Walter G Allgöwer
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El Hierro Island Canary Islands Arco de la Tosca incredible natural monument of an arch by Unai Huizi
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El Hierro Island Canary Islands the Arco de la Tosca incredible natural monument of an arch by the sea by Unai Huizi
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Granite Polarised light micrograph of a sample of granite in thin section Granite is an igneous intrusive rock usually found in large plutons or ba
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El Hierro Island Canary Islands the Arco de la Tosca incredible natural monument of an arch by the sea by Unai Huizi
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El Hierro Island Canary Islands coast next to the Arco de la Tosca incredible natural monument by Unai Huizi
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Wide lava flow with the striking lighthouse Farol da Ponta da Iha in front of a blue sky with white clouds lava rocks coastal path Ponta da Iiha Man
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Iceland
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Snowflake obsidian Pebbles of weathered snowflake obsidian rock lying on sand Obsidian is an igneous volcanic rock formed by the rapid cooling of gr
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Iceland
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Rocky coast of Los Hervideros volcanic landscape Timanfaya National Park Lanzarote Canary Islands Spain Europe by AnnaReinert
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Lava field volcanic landscape fire mountains volcanoes Lanzarote Canary Islands Spain Europe by AnnaReinert
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Volcanic landscape fire mountains volcanoes Lanzarote Canary Islands Spain Europe by AnnaReinert
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Basalt rock arch Photographed in Iceland by JEREMY WALKERSCIENCE PHOTO LIBRARY
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Red slate Slate is a metamorphic rock produced by the action of heat and pressure on existing rock (usually shale or clay) from an intruding mass of
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Iceland
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Iceland
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Basalt natural monument by Sylvio Dittrich
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Basalt natural monument by Sylvio Dittrich
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Basalt natural monument by Sylvio Dittrich
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Porto Moniz northwest of Madeira Island natural volcanic basin volcanic rock bathing holiday Atlantic Ocean waves hiking holiday panoramic vie
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Viewpoint viewpoint volcanic rock orange flowering aloe vera plant with large flowers hiking holiday panoramic view cloud forest mountains hik
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Polarised light micrograph of a thin section of basalt a fine-grained igneous rock composed of calcic plagioclase feldspars and pyroxene and often c
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Close-up profile of head with breathing hole behind eye of common stingray (Dasyatis pastinaca) Stingray with black spots on brown body lies in hiding
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Close-up profile of head of common stingray (Dasyatis pastinaca) Stingray with black spots on brown body lying in hiding under overhang of lava rock r
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Stone arches in volcanic rock Arches view to the south coast of the island Barranco de la Negra Gran Canaria Canary Islands by Michael Szönyi
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Stone arches in volcanic rock Arches view to the south coast of the island Barranco de la Negra Gran Canaria Canary Islands by Michael Szönyi
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Stone arches in volcanic rock Arches view to the south coast of the island Barranco de la Negra Gran Canaria Canary Islands by Michael Szönyi
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Roque Nublo striking basalt rock cloud rock Tejeda Gran Canaria Canary Islands by Michael Szönyi
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Roque Nublo striking basalt rock cloud rock Tejeda Gran Canaria Canary Islands by Michael Szönyi
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Roque Nublo striking basalt rock cloud rock Tejeda Gran Canaria Canary Islands by Michael Szönyi
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Roque Nublo striking basalt rock cloud rock Tejeda Gran Canaria Canary Islands by Michael Szönyi
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Cross polarised light micrograph of a thin section of Cornish granite an igneous rock with a complicated mineral assemblage Quartz orthoclase pla
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Massif Central evening light Roque Nublo telephoto blue sky white clouds mountain landscape Gran Canaria Canary Islands Spain Europe by Ral
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Rock formations of basalt and lava rock in the river park Gole dell Alcantara Alcantara Gorge Sicily Italy Europe by Sonja Jordan
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Granite - is a common and widely occurring type of intrusive felsic igneous rock Granite usually has a coarse-grained texture Occasionally some
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