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ring of fire
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Voyage
Ocean Exploration
Modern Expeditions
Ring Of Fire
Ocean Exploration
Pacific Ring of Fire Expedition. White chimneys at Champagne vent site,NW Eifuku volcano. The chimneys are ~20 cm (8 in) across and ~50 cm(20 in) high, venting fluids at 103????C (217????F). Noticethe bubbles in the upper left side of the image.
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Pacific Ring of Fire Expedition. The experiment to observe the change inphase of the bubbles collected at Champagne vent site. Whatbegan as just solid carbon dioxide hydrate (clathrate) and water on the seafloor , at this depth (300 m) is convertin
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Pacific Ring of Fire Expedition. A comparision of Crater Lake andWest Rota calderas. Note the similar sized calderas of these volcanoes(same scale for both images). The Crater Lake imagery is a digital elevationmodel. The West Rota caldera imagery i
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Pacific Ring of Fire Expedition. On the summit of East Diamante (170 mwater depth), all signs of hydrothermal venting have disappeared. Softcorals (~10-15 cm tall) and tropical fish share theparadise we named Aquarium.
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Pacific Ring of Fire Expedition. The top of one of the central domes in Maugcaldera, covered with several different types of corals, sponges (whiteencrusting towers), algaes. Notice the beautiful lilac anemone near the top(nearly 30 cm, 12 in) hidin
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Pacific Ring of Fire Expedition. Small crabs (~10 cm) are actively roaming theventing area. This species was first discovered on a seamount at the north endof the Mariana Arc by Japanese biologists. Its name is Austinograea yunohana;yunohana, meaning
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Pacific Ring of Fire Expedition. Giant smoky plume discovered pouring out ofcrater near the summit of NW Rota 1 volcano. The crater rim is in theforeground.
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Pacific Ring of Fire Expedition. Stalked crinoid (~ 5 inches across, ~13 cm)on the caldera seafloor at West Rota volcano. Crinoids are suspensionfeeders, using their crown, which is covered withsticky pinnules, to capture zooplankton.
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Pacific Ring of Fire Expedition. Columnar jointing in pumice boulder on thetop of West Rota volcano. Note crinoid growing on the surface. Theimage is approximately 0.5 meters [18 in] high.
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Pacific Ring of Fire Expedition. Cloudy hydrothermal vent fluid seeps outof the summit of Daikoku volcano, typical of the style ofventing at many of the Mariana submarine volcanoes.
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Pacific Ring of Fire Expedition. Cloudy hydrothermal vent fluid seeps outof the summit of Daikoku volcano, typical of the style ofventing at many of the Mariana submarine volcanoes.
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Pacific Ring of Fire Expedition. A close up view of tubewormsat a seafloor hot spring on Daikoku volcano.These animals only live at hydrothermal vents.
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Pacific Ring of Fire Expedition. Three-dimensional view of Daikoku Volcano.This active volcano was visited on the Submarine Ring of Fire 2004 expedition.The image is vertically exaggerated two times.
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Pacific Ring of Fire Expedition. Photosynthetic green and red algae is growingon the same rocks as chemosynthetic bacterial mat near the top of East Diamantevolcano. Usually, these two life forms are not found together because onedepends on the sun
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Pacific Ring of Fire Expedition. Colorful tropical fish, soft corals, andbasket stars cover the top of a volcanic spine that extends into the upper ocean where sunlight can penetrate at East Diamante volcano.
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Pacific Ring of Fire Expedition. Colorful tropical fish, soft corals, andbasket stars cover the top of a volcanic spine that extends into the upper ocean where sunlight can penetrate at East Diamante volcano.
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Pacific Ring of Fire Expedition. Colorful tropical fish, soft corals, andbasket stars cover the top of a volcanic spine that extends into the upper ocean where sunlight can penetrate at East Diamante volcano.
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Pacific Ring of Fire Expedition. Colorful tropical fish, soft corals, andbasket stars cover the top of a volcanic spine that extends into the upper ocean where sunlight can penetrate at East Diamante volcano.
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Pacific Ring of Fire Expedition. Fluffy white bacterial mat covers yellowcorals and the surrounding rocks near the shallow summit ofEast Diamante volcano. The corals are dependent on sunlight whereasthe mat uses the chemical energy from hydrothermal
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Pacific Ring of Fire Expedition. Tropical fish swim by rocks coatedwith white bacterial mat . Unlike the fish, the bacterial mat is dependent onthe chemical energy provided by seafloor hot springsventing near the top of East Diamante volcano.
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