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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Lumps of iron ore The ore seen here is the earthy granular form of hematite - iron(III) oxide This is the most important ore of iron and is widesp
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Iceland
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Iceland
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Iceland
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Iceland
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Greenland
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Iceland
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Iceland
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Iceland
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Iceland
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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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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Lapis lazuli a rare deep blue gemstone Lapis lazuli is a complex mineral containing a mixture of blue lazurite (sodium aluminium silicate) white c
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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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Spain
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Spain
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Spain
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Iron pyrite crystal Pyrite or iron disulphide (FeS2) is the most abundant sulphide mineral more commonly known as fools gold It is mined worldwide
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Spain
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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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Spain
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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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Iron pyrite crystal Pyrite or iron disulphide (FeS2) is the most abundant sulphide mineral more commonly known as fools gold It is mined world wid
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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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Iceland
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Iceland
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Iceland
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Iceland
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Iceland
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Density of pumice and obsidian Beaker of water containing a sample of pumice (floating top) and obsidian (black) demonstrating the relative differe
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Iceland
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Iceland
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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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Igneous landscape Landscape formed of granite gabbro and basalt rocks with exposed rocks and cliffs The rocks in the foreground are covered with li
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Iceland
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Iceland
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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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Gneiss is formed from other rocks (both igneous and sedimentary) by strong heat and pressure This piece of gneiss is made up of crystals of quartz (
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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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Muscovite Close-up view of a polished face of a crystal of muscovite Muscovite is hydrous potassium aluminium silicate and forms monoclinic tabular
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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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Gabbro Polarised light micrograph of a section of gabbro an igneous rock mainly composed of plagioclase feldspar and olivine It forms deep below th
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