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Volcanic Rock

Volcanic Rock

16 items

The photograph shows a rocky sea cave formed in volcanic rocks, opening onto a beach, with the dark cave interior contrasting strongly with the bright blue sea, breaking waves, wet sand, and sunlit rocks beyond. — Tuawera - The Rock That Leads the Way Wioleta Porębna

Close-up of dark red porous volcanic rock almost entirely covered by a carpet of small bright green liverworts with rounded lobes. — Liverworts covering a tezontle rock in Uruapan (Mexico) Antonio Jordán

Tilted view of a steep slope where white snow meets a band of dark ash-streaked ice above loose bright red volcanic rocks and gravel. — Eyjafjallajökull - hot and cold Adam Ciesielski

Steep coastal hill of pale hexagonal rock columns, broken into steps and pillars, rising from the sea to a green vegetated summit with toppled blocks, under a blue sky. — Ninepin Group: the spectacular hexagonal columns Angel Ling

Hilltop village of stone houses and a bell tower perched on a crumbling cliff, reached by a long narrow bridge, with sharp grey eroded clay ridges and green valleys behind. — Civita di Bagnoregio - The Dying Town Elenora van Rijsingen

Wall of dark, jumbled lava blocks rising beyond a flat green meadow under heavy, dark grey storm clouds, with low mountains on the horizon. — Fantastic Metamorphic Rocks Tuğba Bozdoğan

Gentoo penguin with white chest and black head standing among brown boulders in falling snow, framed by blurred rocks in the foreground. — A Window to Fire and Ice Wuquan Cui

Barren slope of grey volcanic ash with wind ripples sweeping down towards a deep blue sea, beside dark and reddish rocky cliffs under a clear sky. — Volcanic ash on Pico island in the Azores Maria Bostenaru Dan

Close-up of a pile of rounded pebbles, mostly purple, reddish-brown and grey, many speckled with pale angular crystals, with a few blue-grey stones among them. — Purple Haze - The Jimi Matrix Experience Grace Shephard

Metal walkways and stairs on stilts leading over and down into the deep, dark opening of a lava tube in black rugged rock, with a blue sea in the distance. — Entering the Earth through a volcano Tamas Miklovicz

Aerial view of a dark rocky headland of polygonal basalt jointed like paving stones, with two arches through which white surf foams in a turquoise sea. — Volcanic island pavement Lavinia Tunini

Yellow sea cliff glowing in low sunlight, with caves and arches at the waterline and buildings among trees on top, above a calm blue sea with a single seabird. — The yellow cliff of Trentaremi Giuseppe Esposito

Rough dark lava field in the foreground, with steaming ground and orange and ochre volcanic hills behind, under a blue sky. — Krafla lava field in Mývatn region Chiara Arrighi

Thin-section micrograph of devitrifying obsidian: a pale blue, cracked crystal nucleus surrounded by brown fan-shaped fibres radiating outwards against a black background, with a thin yellow crystal lath. — Devitrification of Obsidian Joel Gill

Narrow gorge with walls of dark grey basalt columns, some curving like a fan, rising above a cave-like hollow and a pool of clear green water, with trees on the clifftops. — Gole dell‘ Alcantara Wolfgang Fraedrich

Stepped columns of hexagonal basalt rising beside a rocky shore, with broken column tops in the foreground and waves breaking on dark boulders. — Stone and Sea Mercedes Rodriguez

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