Lava meeting the ocean
Geothermal pool, New Zealand
Geothermal springs, New Zealand
Mineral hot springs, Iceland
Geothermal algae, New Zealand
Geothermal fumerole
Volcanic vent, New Zealand
Home Reef volcanic island emerging, 2006
The Champagne Pool, New Zealand
Geothermal mineral deposits, Ethiopia
Black smoker hydrothermal vents
Volcanic solfatara formation
Whakaari volcano sulphur deposits, New Zealand
Volcanic mud pools
Sulphur rocks
Algae in geothermal pool
Algae in geothermal pool, New Zealand
The Sulphur Cave, New Zealand
Geothermal hot spring vents, Ethiopia
New Zealand,North Island,Waiotapu,Hot Spring Lake
West Mata underwater volcano
Mount Vesuvius eruption, 1872
Black smoker hydrothermal vent
川湯 硫黄山
ミスト冷房装置
街中に設置されたドライミスト装置
Geysers, Rotorua, New Zealand
Mount Etna eruption
Boiling mud pool
Mount Agung volcano in Indonesia, satellite image
Volcan de Fuego ash erupting, Guatemala
Volcan de Fuego erupting at night, Guatemala
Hunga Tonga-Hunga Ha'apai volcano plume, satellite images
Klyuchevskaya volcano eruption
Eyjafjallajokull eruption, April 2010
Sulphur crystals
Dust devil, Arizona, USA
Vapour spout
Coastal eroded coral with salt pools
Volcanologist sampling sulphur deposit on volcano
Volcanologists sampling sulphur deposit on volcano
Cargo ship in early morning ocean mist
Geothermal mud pool, New Zealand
Indonesian volcanoes
Jupiter and Io, New Horizons image
Volcanic eruption, Reunion Island
Volcanic sulphur mining
Earth's internal structure, artwork
Reventador volcano erupting, Ecuador
Erupting mud pool
Gypsum crystals
Volcanic eruption
Hydrothermal vents
Eruption of Mount Pelee, 1902
Mount Cleveland, Alaska, ISS image
Copper reacting with sulphur
Obsidian lava
Chalcosine rock
Obsidian-rich lava flow, Tenerife
Olivine mineral sample
湯けむり
Arsenopyrite crystals, close-up
Bornite, close-up
Pyritohedral crystals, close up
Pyrrhotite crystals, close-up
Pyrite interspersed with quartz
Chalcopyrite and quartz crystals
Cinnabar on rock surface, close-up
Molybdenite in granite groundmass
Celestine crystals in sulphur groundmass
Cobaltite and chalcopyrite crystals
Glaucodot crystals in groundmass
Stibnite
Marcasite in chalk groundmass, close-up
Lump of yellow sulphur
Bismuthinite crystals in rock groundmass
Pyrite and quartz, crystalline
Marcasite stepped crystals
Chalcosite
Covellite, thin section micrograph
Sulphur deposits, Volcano Island, Italy
Chalopyllite crystals
Chalocite crystals
Sphalerite and pyrite
Pyrite
Crystalline sulphur
Arsenopyrite
Gersdorffite
Gypsum and sulphur crystals
Iron pyrite
Iron pyrite crystals
Aragonite crystals with sulphur
Pyrite crystals in their host rock
Pyrite crystals
Sulphur crystal
Tetrahedrite mineral specimen
Tetrahedrite
Chalcocite crystals
Iron pyrite crystal
Cubic pyrite crystals
Cobaltine mineral, cobalt ore
Salt
Fumaroles, Poas volcano, Costa Rica
Sulphur deposits, Mount Iwo, Japan
Volcanic lava flow, artwork
Chaiten volcano, Chile, satellite image
Pillow lava, deep sea vent
Lava flow, deep sea vent
Deep sea exploration, computer artwork
Salt evaporation ponds
Wake through a pumice raft, Tonga, 2006
Fractured pillow lava, deep sea vent
hawaii - pahoehoe lava leaving lava tube
Soufriere Hills volcano erupting
Kambhorn reflected in lagoon, Iceland
Geothermal formation
Tangaroan volcanic eruption, artwork
Ash plume rising from Cotopaxi volcano
Mount Etna eruption, 1892
hawaii - pahoehoe lava at night
乾燥した地面
hawaii - pahoehoe, lava shortly before exit
'Snow blower' hydrothermal vent
Black sand beach from lava fragments
Snowmelt pattern
Plastic sulphur formation
Drying Saharan lake, Morocco
Realgar and orpiment
Grand Geyser erupting, Yellowstone National Park, USA
Geyser erupting
Lava flow
Messolonghi salt harvesting machine
Covellite in clay groundmass, close-up
Greenockite on rock surface, close-up
Realgar with grey quartz
Cube-forming galena, close-up