is one of the biggest habitats on the planet.
At each site we lower a huge metal scooper to the seafloor
and grab a chunk of mud.
Selections from a series of image maps of the EEZ seafloor
collected by the USGS using a sonar mapping system depict some of the notable features -- including massive underwater landslides, seamounts, fracture zones and channels -- of the new seafloor
Today the ships sit upright on the sanctuary seafloor
, still joined at the bow.
As the overlying water weight lessens, part of the seafloor
below is lifting--by up to 4.
Then it would commence grinding copper-rich rock on the seafloor
into a slurry, vacuuming it up, and pumping it to a ship on the surface.
After marine life dies, it decays into nutrients that sink to the seafloor
The geographical information used to design the Earth Land and Seafloor
globes was derived from the ETOPO2 database that includes elevation data from the GLOBE Project, an internationally designed, developed, and independently peer-reviewed digital elevation model.
Canada-based Nautilus minerals has been granted the first mining lease for polymetallic seafloor
massive sulfide deposits in the territorial waters of Papua New Guinea, where it intends to produce copper, gold and silver.
Many make their homes in the tens of meters of mud just beneath the seafloor
A research team led by Woods Hole Oceanographic Institution (WHOI) has uncovered evidence of explosive volcanic eruptions on the Arctic Ocean seafloor
off Sumatra's northwest coast suddenly buckled, generating a massive earthquake--the largest in 40 years.