Tag

Serpentinization

All articles tagged with #serpentinization

science27 days ago•4 min saved

Hidden mantle on full display: oceanic core complexes rewrite the ocean floor story

Geologists once thought the ocean floor formed from steady upwelling magma that cools into basalt, but a 2009 high-resolution sonar survey revealed low-angle detachment faults that pull mantle rock up to the seafloor, creating oceanic core complexes. With more than 170 identified along slow-spreading ridges, these structures show mantle rock, not just crust, is exposed to seawater, triggering serpentinization and powering hydrothermal vents. The findings reframe crust formation, illuminate global geochemical cycles, and offer models for extraterrestrial oceans.

via futura-sciences.com|

#mantle-rock #oceanic-core-complexes #oceanography

science1 month ago•6 min saved

Atlantic Deep Reveals First In-Situ Footage of Rare Barreleye and Serpentinization Vents

Researchers using the ROV SuBastian and AUV The Childlike Empress aboard the Falkor captured the first in-situ footage of the twilight-zone barreleye Winteria telescopa at 710 m depth in the Atlantic's Doldrums region, and documented two new serpentinization-linked hydrothermal fields around 4,000 m, revealing active deep-sea life and offering clues about life in extreme environments and on other worlds; findings to be published.

via ScienceAlert|

#barreleye #deep-sea-exploration #hydrothermal-vents

science4 months ago•6 min saved

Ancient underworld waters fuel Earth’s hidden microbial empire

Scientists mapped a global network of hydrogen-rich waters trapped deep in Precambrian shield rocks and identified two reactions— radiolytic breakdown of water and serpentinization—that generate hydrogen, providing a long-lasting energy source for microbes isolated from the surface. Studied across 19 mines in Canada, South Africa, and Scandinavia, the hydrogen output may rival marine systems, suggesting a vast, enduring subsurface biosphere and reshaping ideas about Earth's habitable volume and the search for life on Mars.

via Indian Defence Review|

#deep-subsurface-life #hydrogen #precambrian-shield

energy-and-environment8 months ago•4 min saved

Unlocking Earth's Hidden Hydrogen Reserves for Sustainable Energy

The article discusses how Newfoundland's ophiolite formations could be harnessed to produce low-cost 'white' hydrogen and permanently sequester CO2 through natural geological processes like serpentinization, offering a promising and scalable decarbonization solution for heavy industry, supported by growing markets and technological advancements.

via Crude Oil Prices Today | OilPrice.com|

#carbon-capture #carbon-mineralization #energy-and-environment

science1 year ago•4 min saved

Large Hydrogen-Rich Hydrothermal System Discovered Beneath the Pacific Ocean

Scientists discovered a massive hydrogen-producing hydrothermal system beneath the Pacific Ocean's seafloor, called the Kunlun hydrothermal field, which challenges traditional views on hydrogen generation and offers insights into deep-sea ecosystems, Earth's internal processes, and potential sustainable energy sources.

via Indian Defence Review|

#deep-sea-ecosystems #earths-geology #hydrogen-emissions