pyrrhotite In A Sentence

We found 28 'pyrrhotite' sentence examples to help you understand how to use pyrrhotite in a sentence.

• The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.
• Other minerals present include diopside, pargasite, spinel, phlogopite, apatite, graphite, pyrrhotite and zircon (Davidson 1943 ).
• Pyrrhotite, a mineral species consisting of iron sulphide and crystallizing in the hexagonal system.
• A unit of chert, magnetite and pyrrhotite outcrops along the southwest shore of Net Lake at Temagami North.
• Iron sulfides like pyrrhotite, pentlandite, troilite and cubanite do occur, but elemental iron is absent.
• The orebody itself is composed of 2 to 6 metres of massive nickeliferous sulfides, usually banded and foliated pentlandite-pyrrhotite-pyrite.
• The pentlandite-chalcopyrite-pyrrhotite ore around the Sudbury Structure formed from sulfide melts that segregated from the melt sheet produced by the impact.
• The sulfide mineral mainly consists of pyrite, and a small amount of pyrrhotite, galena and sphalerite.
• This is typically associated with gangue sulfides of pyrite, with subordinate pyrrhotite and other base metal sulfides.
• Sudbury's pentlandite, pyrite and pyrrhotite ores contain profitable amounts of many elements- primarily nickel and copper, but also platinum, palladium and other valuable metals.
• The gangue ( the uneconomic waste material ) is mainly quartz and pyrite or pyrrhotite.
• Its properties resemble those of pyrrhotite samples Smyth studied in Upstate New York.
• Effects of water quenching on properties of pyrrhotite in calcines of Huangjingdong concentrates are - DTA techniques.
• Cubanite occurs in high temperature hydrothermal deposits with pyrrhotite and pentlandite as intergrowths with chalcopyrite.
• Newfoundland yields cupreous pyrites, worked at Pilley's Island, whilst the nickeliferous pyrites of Sudbury in Ontario is partly magnetic (see Pyrrhotite).
• Small amounts of pyrite, sphalerite and exsolved pentlandite and chalcopyrite are present with the pyrrhotite.
• It's difficult to find pyrrhotite in a sentence.
• The orebody is a massive sulfide deposit of pyrite, chalcopyrite, and pyrrhotite along a shear zone in the Franciscan Formation.
• They are commonly at the edge and partially enclosed by pentlandite, pyrrhotite or chalcopyrite.
• The bedrock of the area contains small blebs of pyrrhotite, which may be mistaken for lead.
• Pyrrhotite, the most common sulfide mineral, occurs as small veins and disseminations.
• In the Bay Complex narrow zones of bleached rock are rich in calcite, chlorite and pyrite and contain minor chalcopyrite and pyrrhotite.
• It was proved there existed the direct effect when pyrrhotite was leached by thiobacillus ferrooxidans.
• Ore bearing stratum contain richly pyrrhotite, pyrite, spessartine and dannemorite . Additionly, there are smaller arsenopyrite and cobaltite.
• It can be distinguished from pentlandite by crystal habit, its duller colour, and general lack of association with pyrite or pyrrhotite.
• Its color may resemble pyrrhotite, but unlike pyrrhotite, mohawkite is not magnetic.
• This phase is called monosulfide solid solution ( MSS ), and is unstable at low temperatures decomposing to mixtures of pentlandite and pyrrhotite, and ( rarely ) pyrite.
• Pyrrhotite has been linked to crumbling concrete basements in Quebec and Connecticut when local quarries included it in their concrete mixtures.