anoxic
Adjective
Meaning
relating to or marked by a severe deficiency of oxygen in tissues or organs
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Antonyms
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Anagrams
Examples
Being isolated from the oceans, such lakes may have been stagnant and anoxic at depth, much like today's Black Sea ; a sufficient input of iron could provide the necessary conditions for BIF formation.
As a consequence, this environment is completely anoxic and, due to the activity of sulfate reducers, contains sulphide at a concentration of 2.9 mM.
Hydrogen sulfide emissions A severe anoxic event at the end of the Permian would have allowed sulfate-reducing bacteria to thrive, causing the production of large amounts of hydrogen sulfide in the anoxic ocean.
Black shales which form in anoxic conditions contain reduced free carbon along with ferrous iron (Fe 2+ ) and sulfur (S 2− ).
Hydrochemistry Because of the anoxic water at depth, organic matter, including anthropogenic artifacts such as boat hulls, are well preserved.
In many places around the world, dark anoxic shales were formed during this interval.