Such uranium deposits in Canada, Australia and Kazakhstan comprise the bulk of the world's known supply — although uranium is a ubiquitous atom that can even be
derived from seawater.
Not exact matches
Microorganisms living in basaltic sea floor buried beneath sediments
derive energy
from inorganic components
from the host rocks that interact with infiltrating
seawater, which brings dissolved oxygen and other trace nutrients with it.
«The combination of water and halogens found in the volcanic glasses enables us to preclude local
seawater contamination and conclusively prove the water in the samples was
derived from the mantle,» Dr Kendrick said.
The heat apparently
derives from a chemical reaction between mantle rock and
seawater.
They are called polynyas, formations that
derive their name
from the Russian word for «hole in the ice,» and are typically an expanse of open
seawater along the coast that is enclosed by floating sea ice and the continental shelf.
Human emissions of reactive sulfur and nitrogen,
derived from fossil fuel combustion and agriculture, have led to increased deposition of strong acids (HNO3 and H2SO4) and bases (NH3) to the ocean, hence affecting
seawater pH (Doney et al. 2007).