Sentence examples for oxidizing pyrite from inspiring English sources

Note pitted texture of the actively oxidizing pyrite.

Note the rod morphology of organisms coating actively oxidizing pyrite grains.

Some tolerant microorganisms were found to able to survive tailing environment by oxidizing pyrite [45, 46], generating acid and soluble iron.

Borda et al.[20] have detected thiosulfate-like surface-bound groups on actively oxidizing pyrite, but found no evidence that the species detaches and oxidizes to sulfate in solution.

When the production of sulfuric acid causes conditions to reach a certain level of acidity, A. ferrooxidans thrives and oxidizes ferrous iron to the ferric form, which in turn oxidizes more pyrite in a continuously increasing fashion, with the formation of substantial amounts of sulfuric acid.

The majority of lobopodian fossils are known from Burgess Shale-type deposits, preserving compressed remains as organic carbon, authigenic clays, and iron minerals oxidized to pyrite [ 18].

A distinction must be made between 'Potential Acid Sulfate Soils', which are not yet oxidized but contain pyrite in the soil material, and 'Actual Acid Sulfate Soils', which are oxidized and acidified.

Based on the analytical results for groundwater and core samples, the As source in groundwater is considered to be pyrite (FeS2) in acid sulfate soil (ASS) under oxidizing conditions and hydrous ferric oxide (Fe(OH 3) under reducing conditions.

When pyritic sediment falls dry, oxygen penetrates and pyrite is oxidized, by microbial intervention, to sulfuric acid (H2SO4) and ferric hydroxide (Fe(OH 3).

First, it was proposed that pyrite nucleation may have been facilitated by the availability of oxidizing agents or bacterial biofilms.

During the oxidation of greigite, Fe2+ migrated outwards and reacted with the excess H2S in the system to form FeS, which in turn recrystallized to mackinawite and was oxidized to greigite and pyrite, thereby connecting the crystal surfaces.