1. A region in soil or rock where chemical oxidation processes occur, typically near the surface where oxygen is available
The oxidation zone in the ore deposit contains weathered minerals that have been chemically altered.
A zona de oxidação no depósito mineral contém minerais intemperizados que foram quimicamente alterados.
2. In hydrogeology and environmental science, the upper layer of an aquifer where dissolved oxygen is present and promotes oxidative reactions
Contaminants in the oxidation zone are more readily broken down by aerobic microorganisms.
Os contaminantes na zona de oxidação são mais facilmente degradados por microrganismos aeróbicos.
3. In ore deposits, the weathered upper portion where primary sulfide minerals have been oxidized to secondary minerals
Copper ore in the oxidation zone often forms malachite and azurite.
O minério de cobre na zona de oxidação frequentemente forma malaquita e azurita.