How To Use Siderite In A Sentence

  • Overgrowths of fine-grained, bronze-colored siderite are often present on selected faces of the fluorite crystals.
  • It was the largest orebody found in the Rocky Point zone of the Sawatch Quartzite; ores were of the zinc manto type with marmatite, argentiferous galena, pyrite, and siderite.
  • Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue. The Earth Times Online Newspaper
  • In the flats surrounding the veins commercial iron deposits were found as limonite that was derived from the oxidation of iron carbonates (ankerite and/or siderite).
  • Iron likewise combines with a considerable variety of substances other than oxygen; and some of these compounds, as for instance iron carbonate (siderite), iron silicate (chamosite, glauconite, etc.), and iron sulphide (pyrite), are locally mined as iron ores. The Economic Aspect of Geology
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  • There are various subtypes: goethite (needle iron ore, pyrrhosiderite): a-FeO (OH), lepidocrocite (ruby glance): b-FeO (OH), limonite: (by appearance) amorphous. 6. Purifying absorbent
  • The color of the siderite is grayish-white when cleaned, but in most instances it is a dull to iridescent reddish-brown because of alteration to iron oxides on the crystal surfaces.
  • They noted that in the Champion mine siderite is abundant, occurring as the chief gangue mineral of the sulfide ores in the dolomitic beds in the Sawatch Quartzite.
  • Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue. The Earth Times Online Newspaper
  • Other carbonates, i.e., ankerite, siderite, witherite, strontianite, may form if the respective metal cations are available.
  • A few sharp rhombic crystals of rhodochrosite without siderite coating were also found in the Eagle mine.
  • Several common carbonate minerals that form rhombohedra have been reported at the Lake George intrusive center: calcite, ferroan calcite, manganoan calcite, manganosiderite, rhodochrosite, and siderite.
  • The ores in question have various local names: brown haematite (xanthosiderite), limonite, pea ore, conglomerate ore, minette (iron ooliths), sea ore, bog ore, stilpnosiderite, yellow clay ironstone, yellow ochre. 6. Purifying absorbent
  • English ores also contain considerable iron carbonate or siderite. The Economic Aspect of Geology
  • Of particular interest are superb specimens of lustrous, pale lavender fluorite crystals, many of which are associated with sphalerite and siderite from what remained of the flats surrounding the Diana vein.
  • Meteorites are divided into three groups: siderites, siderolites, and aerolites.
  • This compound occurs in nature as siderite, and is a valuable ore. An Elementary Study of Chemistry
  • “If hematite were formed by the oxidation of siderite at any time, the hematite would be found on the outside of the siderite, but it is found inside,” he reported in a recent issue of Nature Geoscience. Deep-sea Rocks Point To Early Oxygen On Earth | Impact Lab
  • Iron likewise combines with a considerable variety of substances other than oxygen; and some of these compounds, as for instance iron carbonate (siderite), iron silicate (chamosite, glauconite, etc.), and iron sulphide (pyrite), are locally mined as iron ores. The Economic Aspect of Geology
  • Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart - siderite gangue. Marketwire - Breaking News Releases
  • These results further indicate that the formation of the siderite concretions is not associated with the activity of methanogenic bacteria.
  • Gilman pyrites typically have associated minerals, particularly flattened siderite rhombohedra and marmatite.
  • Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart - siderite gangue. Marketwire - Breaking News Releases
  • The fine-grained sediment of the matrix is composed chiefly of siderite, with lesser amounts of illite, calcite, quartz, and bitumen.
  • The unoxidized sections consist primarily of marmatite ore, which is composed primarily of pyrite, marmatite, galena, siderite, and minor chalcopyrite.
  • Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite - tennantite in quart-siderite gangue. Marketwire - Breaking News Releases
  • A related group of achondrites, called mesosiderites, are brecciated and metamorphosed.
  • Other carbonates, i.e., ankerite, siderite, witherite, strontianite, may form if the respective metal cations are available.
  • This paper describes the mineral processing of specularite-siderite-ferrohydrite ores from Jingtieshan Mine.
  • Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue. StreetInsider.com News Articles
  • Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue. StreetInsider.com News Articles
  • These results further indicate that the formation of the siderite concretions is not associated with the activity of methanogenic bacteria.
  • The article also includes the first ever figure of the specimen, showing it in its unprepared, siderite-encased case (a scan of that figure is included here). Archive 2006-07-01
  • The analysis of the iron bearing mineral compositions indicates that the major iron bearing minerals in the rocks are magnetite, maghemite, hematite, pyrite and siderite.
  • It was pale to medium green and associated with yellow pharmacosiderite and colorless to white gypsum.
  • The ores in question have various local names: brown haematite (xanthosiderite), limonite, pea ore, conglomerate ore, minette (iron ooliths), sea ore, bog ore, stilpnosiderite, yellow clay ironstone, yellow ochre. 6. Purifying absorbent
  • Iron likewise combines with a considerable variety of substances other than oxygen; and some of these compounds, as for instance iron carbonate (siderite), iron silicate (chamosite, glauconite, etc.), and iron sulphide (pyrite), are locally mined as iron ores. The Economic Aspect of Geology
  • Any automaton was sure to register her as a siderite, and ignore her. Agent Of The Terran Empire
  • The original condition is indicated by the facts that deep below the surface, in zones protected from weathering solutions, siderite and greenalite are abundant, and that they show complete gradation to hematite in approaching the surface. The Economic Aspect of Geology
  • This crystal was glassy and was found associated with smoky quartz, microcline-perthite, biotite, zircon, bastnasite, and limonite after siderite.
  • Among these are barite or heavy spar (BaSO4), used as a pigment, which is found in the strata of the Kirtland shale; siderite or brown spar Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :
  • Magnetite is one of several types of iron oxide and its official (IUPAC) name is Siderite, aka chalybite, is a carbonate of iron, FeCO3 Latest Articles
  • “Many people have assumed that the hematite in ancient rocks formed by the oxidation of siderite in the modern atmosphere,” said Hiroshi Ohmoto, professor of geochemistry, Penn State. Deep-sea Rocks Point To Early Oxygen On Earth | Impact Lab
  • This cavity may then be filled with coal, calcite, siderite, or any other form of sediment.
  • These results further indicate that the formation of the siderite concretions is not associated with the activity of methanogenic bacteria.
  • This cavity may then be filled with coal, calcite, siderite, or any other form of sediment.
  • Hence olivine occurs in basalt, lava, obsidian, artificial scoriae in meteoric stones, in the syenite of Elfdale, and (as hyalosiderite) in the wacke of the Kaiserstuhl. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1

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