The network spans the Juan de Fuca plate, which sits between the Pacific and the North American plates and hosts earthquakes and tsunamis, giant clams and whale pods, along
with hydrothermal vents and frozen methane deposits.
Compared with manganese nodules, the seafloor sulfides associated
with hydrothermal vents have a huge advantage: They are much easier to get to.
And other data suggest that this ocean sits on a rocky mantle that could be dotted
with hydrothermal vents — potential hotspots for life.
Not exact matches
The depths of the frigid continent hold
hydrothermal vents which house a variety of pale creatures — including predatory sea stars
with seven arms...
The impact aftermath killed most life on Earth, but the crater itself (bottom)-- shown
with a central peak — remained hot long after the blast, perhaps creating a
hydrothermal system similar to deep - sea
vents.
«But, of course, we know there can be carbonaceous materials made in other processes — like in
hydrothermal vents — consistent
with looking like microfossils that also have some carbon signal.
The second spot was Axial Seamount, an active underwater volcano, along
with its associated
hydrothermal vents, where the team could study the transfer of minerals from beneath the seafloor into the water and access hardy microbes that thrive in the
vent fluids, which can reach 250 degrees Fahrenheit.
In the third type of
vent environment, «
hydrothermal seeps,» much cooler (less than 30 - 60 degrees Celsius) water trickles out of lava flows interleaved
with seafloor mud.
With the help of Cindy Van Dover, a Duke University biologist and expert in
hydrothermal vents, Nautilus is even studying the possibility of picking up snails and barnacles in the path of the mining tool and transplanting them to a temporary haven, to be brought home when the coast is clear.
There are several habitats once thought to be inhospitable to even the world's most adaptable organisms — places like the core of Chile's Atacama Desert, the driest region on Earth; ice sheet plateaus in Greenland that are 10,000 feet thick; and near
hydrothermal vents on the ocean floor
with temperatures above 750 degrees Fahrenheit, to name a few.
This article was originally published
with the title «
Hydrothermal Vents Ocean Policy Ancient Greeks»
But for Van Dover, that value can not compare
with the richness of the thriving animal communities inhabiting Earth's
hydrothermal vents.
A research team — Carnegie's Sergey Lobanov and Alexander Goncharov, along
with Konstantin Litasov of the Russian Academy of Science and Novosibirsk State University in Russia — focused on the high - pressure chemistry of a carbonate mineral called siderite, which is an iron carbonate, FeCO3, commonly found in
hydrothermal vents.
Mars is thought to have contained oceans
with similar conditions to those near
hydrothermal vents at around the same time the fossils were thriving, living creatures.
On Earth, seawater interacts
with rock at some
hydrothermal vents to produce high concentrations of this molecule.
Its purpose is to display and interpret original works by a science illustrator who, in collaboration
with a scientist, has visited and documented
hydrothermal vent ecosystems via travel in the deep - sea submersible Alvin.
The quantitative population ecology of zooplankton
with emphasis on zooplankton small - scale distribution and abundance, organic matter transport into the deep - sea, the biology of Gulf Stream Rings, zooplankton associated
with deep - sea
hydrothermal vents, dynamics of populations on Georges Bank and on the continental shelf region of the Western Antarctic Peninsula, acoustical determination of zooplankton biomass, abundance, and size, and the census of holozooplankton biodiversity in the worlds oceans.
Plumes of warm water laden
with minerals create chimney - like «
hydrothermal vents.»
Trained as an astrobiologist at Stanford and Caltech, Loretta has been to the Canadian Arctic to study plant life in extreme environments and to the
hydrothermal vents at the bottom of the ocean
with «Titanic» director James Cameron to film a 3D IMAX documentary, «Aliens of the Deep.»
We were able to show that under [presumed] Enceladus - like conditions and the given environmental parameters, biological methane production did occur in the lab,» and that a «microoorganism from a
hydrothermal vent system on Earth could be grown in the presence of [presumed] inhibitors in combination
with high pressure.»
«But, of course, we know there can be carbonaceous materials made in other processes — like
hydrothermal vents — consistent
with looking like microfossils that also have some carbon signal.
Geologists now know that the Gakkel Ridge is an active zone of slow spreading tectonic plates
with massive amounts of activity including explosive emissions of super carbonated magma that have blown the tops off dozens of undersea mountains, produced mineral / metal riches from extensive
hydrothermal vents throughout the range and holds sea life around smoker chimneys
with abundant hydrogen - sulfide based ecosystems.
«We had coffee
with a self - effacing chap who'd discovered a number of
hydrothermal vents in the North Atlantic (he fears the imminent deep - sea mining of polymetallic sulfides in international waters — says we're «right on the edge» of that tech taking off).»
Such is the case now
with your idea of
hydrothermal vents causing the warming.
Unlike
hydrothermal vents, however, we know CO2 has been increasing, we know it causes warming, we know the oceans have been warming in a way that you could expect
with such a forcing.
A full understanding of the relationships of the fauna of the ESR
vents with those elsewhere will only be realised
with complete analyses of the fauna collected at 56 ° S and 60 ° S at the ESR, and the location and documentation of further
hydrothermal vent communities at high latitudes in the Southern Ocean and southern Pacific, Atlantic, and Indian Oceans.
At
hydrothermal vents, scientists have found mineral - rich fluids
with temperatures approaching 400 °C (750 °F) spewing out of the Earth.
At
hydrothermal vents, anoxic water containing reduced compounds like methane or sulfide mix
with oxic seawater and the bacterial harvest energy.