pyrite


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  • noun

Synonyms for pyrite

a common mineral (iron disulfide) that has a pale yellow color

References in periodicals archive ?
The black shale, typically rich in organic matter, contain pyrite as disseminated, euhedral to subhedral, millimetre- to centimetre-size crystals, and as small horizontal veins.
Instead of assisting these families extract pyrite from their properties the current Environment Minister appears more interested in extracting cash from them for the supply of water to their crumbling homes.
In testing various theoretical models of the sulfur cycle against the Macrostrat data, the team realized that the production and burial of pyrite has been much more significant than previously thought, accounting for more than 80% of all sulfur removed from the ocean (rather than the 30-40% in prior estimates).
The same bacterial life forms are alive and well today, living off pyrite and settling in the highly acidic waste waters of mining sites the world over.
As pyrite travels from the vents to the ocean interior and toward the surface ocean, it oxidises gradually to release iron, which becomes available in areas where iron is depleted so that organisms can assimilate it, then grow', said George Luther, one of the study's authors.
2+] and H+ can then end up back in reaction 2, and reactions 2 and 3 can then drive the rate of pyrite oxidation, as long as there is a continuing supply of dissolved oxygen in reaction 2.
Pyrite or arsenopyrite is absent or very rare in aquifer sediments from the Bengal Basin (Acharyya et al.
SEQUENTIAL ALTERATION OF LARGE PYRRHOTITE CRYSTALS TO MARCASITE, SKELETAL PYRITE, AND GOETHITE IN PEGMATITIC CARBONATITES AND FLUORITE ORES AT OKORUSU, NORTH CENTRAL NAMIBIA.
GMS is preparing two bacterial heap-leach pads, using run-of-mine pyrite, and pyrite ore between 18 mm and 40 mm at a grade of about 2 g/t Au.
Leslie Carlson's 8-year-old Finnish spitz, Pyrite, couldn't stay under the 53-second cap, finishing the course in just over 103 seconds.
The primary culprit is pyrite, or iron disulfide, an abundant mineral associated with most precious and base metal ore deposits.
He now has a sample of pyrite, an iron sulfide mineral, that has the shape of a dodecahedron, a solid with 12 pentagonal faces and 20 corners.
Gold on the Lone Star property is present as coarse free gold, with pyrite in disseminations, and locally is associated with narrow discordant quartz veins.
Tenders are invited for For the round the clock pyrite collection & disposal of pyrite in pyrite yard/coal yard for the unit no.