Articles tagged with Hydrothermal Vents
Research reveals peridotite serpentinization produces more hydrogen gas and methane than olivine alteration. Pyroxene and spinel promote the formation of these nutrients, which are crucial for life's emergence. The study suggests that kinetics and reaction progress influence hydrocarbon production.
Scientists at the National Oceanography Centre have discovered a new type of hydrothermal vent system, which could improve understanding of how the Earth's interior cools. The unique system, driven by hot rock and faults, was found to release significant amounts of heat and chemicals into the crust.
Researchers found that dissolved organic carbon is efficiently removed from ocean water when heated to mimic hydrothermal vent conditions. This process converts the organic molecules into carbon dioxide, reducing oceanic carbon storage.
Researchers have discovered a way to manage high water tables to boost crop yields, while 3D maps reveal the formation of the Hangai Dome in Mongolia. New satellite radar technology provides precise wind speed maps for coastal communities to prepare for wind-related hazards.
Researchers studied the exoskeletons of deep-sea shrimp and shallow-dwelling shrimp, revealing differences in structure and performance. The deep-sea exoskeleton is softer yet capable of withstanding temperature extremes, while the surface-shrimp exoskeleton is harder and better protects against predators.
A new study reveals that chemical-laden plumes from hydrothermal vents can be traced across the Pacific for over 4,000 kilometers and impact global ocean chemistry. The iron transported by these plumes has the potential to serve as a key life-sustaining micro-nutrient in the surface oceans of Antarctica.
Researchers have identified a new species of Yeti Crab, Kiwa tyleri, found in the Antarctic region surrounding hydrothermal vent systems. This unique crab thrives in extreme environments with temperatures and densities that are challenging for other marine life.
The first species of Yeti Crab, Kiwa tyleri, has been discovered in the East Scotia Ridge hydrothermal vents of Antarctica. This unique crab thrives in high densities at extremely low temperatures and relies on bacteria for nutrition.
Researchers discovered a large field of deep-sea hydrothermal vents, the Pescadero Basin vents, which are the deepest high-temperature vents ever observed in the Pacific. The vents emit superheated fluids rich in hydrocarbons and support unique animal communities.
A new study by scientists at Woods Hole Oceanographic Institution reveals that the deep ocean is a major source of dissolved iron in the central Pacific Ocean. The research found that hydrothermal vents and sediments thousands of meters below the sea surface are the primary sources of iron, contradicting previous assumptions.
Researchers found an abundance of methanethiol in low-temperature fluids with markers of microbial organic matter, suggesting breakdown of existing subseafloor life produces methanethiol. This contradicts the 'metabolism first' hypothesis and provides evidence that life is widespread below the seafloor.
Scientists have discovered a vast plume of iron and micronutrients in the South Atlantic Ocean, challenging previous estimates of iron sources in the world's seas. The finding has profound implications for understanding ocean life and Earth's climate as it suggests that slow-spreading ridges may be a significant source of iron.
Marine scientists discovered that deep-sea limpets can survive extreme pressure changes when transported by submersibles. This finding highlights the potential risk of human-driven change to hydrothermal vent ecosystems.
A new ecosystem has been discovered in the deep sea, featuring a blend of hot and cold environments. The Jaco Scar site, located off Costa Rica, supports a vast array of species that thrive in both hydrothermal vents and cold methane seeps.
Scientists have found microbial succession in microbes on deep-sea hydrothermal vents, where life adapts to replace extinct communities with iron and sulfur-rich environments. Researchers at USC uncovered evidence of ecological succession on dormant vents, replacing heat-dependent microbes with new species.
A team of scientists has discovered communities of previously unknown species on the seafloor near Antarctica, clustered in hot, dark environments surrounding hydrothermal vents. The findings include new species of yeti crab, starfish, barnacles, and potentially an octopus.
Researchers have discovered hydrogen-powered symbiotic bacteria in deep-sea mussels, which use hydrogen as an energy source. The ability to harness hydrogen is widespread in hydrothermal vent symbioses, with one mussel population consuming up to 5000 liters of hydrogen per hour.
Scientists have discovered a new hydrothermal vent with temperatures up to 300 degrees Celsius, finding chimneys as high as one meter and gas bubbles in the water column. The discovery of at least five other sites with gas plumes suggests that many more small active sites exist along the Mid-Atlantic Ridge.
A recent expedition to the Mid-Cayman Rise identified three unique types of hydrothermal vents, expanding our knowledge of extreme environments. The discovery provides insight into the origins and evolution of life on Earth and has implications for searching for life elsewhere in the universe.
Researchers found that larvae of a new species, Ctenopelta porifera, traveled over 300 kilometers from a nearby population to settle in the affected area. The discovery challenges the widely accepted assumption that life re-populates an area through local adult populations.
Researchers at Columbia University's Lamont-Doherty Earth Observatory found evidence of hydrothermal vents near Antarctica, a discovery that could spur exploration of the distant mid-ocean ridge. The sites identified cover 340 miles of ridge line, offering a new area to study complex organisms and ocean chemistry.
Early life likely arose from gases and geochemical gradients at deep-sea hydrothermal vents, rather than a primordial soup, according to new research. This alternative theory proposes that the first cells harnessed these energy sources to generate ATP through chemiosmosis.
A team of MIT materials scientists report that the scaly-foot snail's three-layered shell structure helps dissipate mechanical energy, making it stronger than other naturally occurring or manmade armor. By copying this unique design, scientists could develop better armor for military use.
Researchers discovered that iron spewed out of hydrothermal vents remains protected and usable by ocean organisms due to a complex matrix of carbon compounds. This finding challenges current paradigms about the iron cycle and opens up new research directions.
Researchers uncover genetic adaptations in Nautilia profundicola, a microbe thriving near deep-sea vents. These adaptations include genes for temperature fluctuations and nitrate assimilation, aiding the bacterium's survival in extreme conditions.
A University of Delaware-led research team is conducting a deep-sea expedition to study hydrothermal vents on the Pacific ocean floor. The team, including experts on marine viruses and protists, aims to explore the ecosystems surrounding these underwater oases of life.
A recent study reveals thousands of times more bacteria on the seafloor than in the water above, with higher diversity and abundance compared to hydrothermal vents. This discovery has significant implications for our understanding of the deep-sea carbon cycle and the emergence of life.
Researchers discovered that the Lost City hydrothermal vent field produces building blocks of life, including hydrocarbons and acetate, in higher concentrations and with more complexity than typical black smoker systems. This finding is significant for understanding the origin of life on Earth and other solar bodies.
Researchers are exploring land-based 'black smoker' sites to gain insights into harnessing geothermal energy. The project, led by UC Davis, uses a deep drilling approach to study the interaction between hot rocks and fluids.
Deep-sea hydrothermal vents are found above volcanoes where upwelling of the mantle and spreading of the plates are aligned, allowing magma to breach the crust. In contrast, non-aligned zones lack hot smokers due to cooling and volatiles loss as magma moves laterally.
New research suggests that deep-sea black smokers may be producing sound waves that guide fish to food sources. The sounds, which resemble rumbling or a hairdryer, could also help fish navigate the dark environment and avoid hot waters.
Scientists have discovered evidence of man's environmental impact at an underwater volcano, revealing lead pollution originating from Australia that traveled thousands of miles to the Mediterranean. The study highlights the growing power of using high-precision isotopic measurements as a tracing tool.
Researchers have found evidence of photosynthesis deep within the ocean, with green sulfur bacteria thriving near hydrothermal vents. This discovery expands our understanding of life's resilience and potential for existence on other planets.
Researchers found unique organisms thriving in highly alkaline fluids rich in methane and hydrogen, differing from black-smoker vent ecosystems. The discovery may provide insights into the origins of life on Earth and potential signs of life elsewhere.
Scientists discover unique organisms living in alkaline fluids with high levels of methane and hydrogen, unlike those found in black-smoker vents. The Lost City vent field may provide insights into the origins of life on Earth and the possibility of life on other planets.
Researchers recreated extreme conditions to find that rocks rich in chromium minerals accelerate the production of more complex hydrocarbons. This process may help explain the diverse communities thriving around hydrothermal vents.
Researchers discover new method for growing tiny tubes, similar to those found in caves and at hydrothermal vents. The discovery uses a controlled laboratory setup to replicate the formation process, allowing scientists to study it on human time scales.
Researchers suggest that hydrothermal vent systems like Lost City could have supported early life due to their stability and chemical composition. The systems' ability to produce heat, minerals, and organic compounds for millions of years may have improved the chances for life to emerge and be sustained.
Researchers investigate unique carbonate vents, driven by mantle rock serpentinization and supporting microbial life. The team aims to discover more fields like Lost City and explore its potential for early Earth life.
Researchers find unique vent systems on seafloor mountain Atlantis Massif, formed by heat generated when seawater reacts with mantle rocks. The Lost City Field may be common, potentially upending previous estimates of hydrothermal venting and life on the seafloor.