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cobaltiferous

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Journal Article
Published: 01 February 1968
American Mineralogist (1968) 53 (1-2): 293–295.
Journal Article
Published: 01 August 1923
American Mineralogist (1923) 8 (8): 147–148.
Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.257.01.07
EISBN: 9781862395053
... cobaltiferous alums from the Western Desert of Egypt. In the present paper, quantitative analyses of a range of cobalt blue painted pottery have confirmed the Western Desert as the source of the cobalt blue pigment but suggested that the cobaltiferous alums used for the pottery differed in composition from...
FIGURES
Journal Article
Journal: Economic Geology
Published: 01 November 1986
Economic Geology (1986) 81 (7): 1644–1674.
... of the system, pyrrhotite, chlorite, and barium silicates are present with the siderite-bearing assemblage. A zone of discontinuous massive to semimassive iron sulfide separates the siderite-bearing zone from overlying ferroan B dolostones. Late assemblages of massive pyrite, often cobaltiferous, with minor...
Journal Article
Journal: Geology
Published: 02 June 2023
Geology (2023) 51 (8): 773–778.
.... The Co-Fe and Co-As sulfide minerals are most suitable for Co and Ni recovery by a hydrometallurgical autoclave process, with potential pretreatment of cobaltiferous pyrite/arsenopyrite in an inert-atmosphere roaster, in new domestic or anticipated international facilities. The ICB is the second largest...
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Journal Article
Published: 01 May 2016
European Journal of Mineralogy (2016) 28 (2): 409–433.
.... The sample set was composed of classic natron glass, natron black glass (characterised by high levels of FeO ≥ 10 wt%), natron alumina-cobalt blue glass coloured with Egyptian cobaltiferous alum, and plant-ash glass. The trace-element analysis made it possible to hypothesize the trade routes that linked...
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Journal Article
Journal: Economic Geology
Published: 01 September 2012
Economic Geology (2012) 107 (6): 1089–1113.
... concentrations of cobaltite, chalcopyrite, gold, and xenotime; and (3) strata-bound magnetite-rich lenses in the Iron Creek area, which contain cobaltiferous pyrite and locally sparse chalcopyrite or xenotime. Most sulfide-rich deposits in the Blackbird district are enclosed by strata-bound lenses composed...
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Journal Article
Journal: Economic Geology
Published: 01 November 1986
Economic Geology (1986) 81 (7): 1675–1689.
... increasingly replaced by Cu-bearing sulfides from the outer zone to the core. Some of this pyrite recrystallized into coarser grains having cobaltiferous rims, and these grains were generally not replaced. The sulfide minerals are commonly pseudomorphous after lath-shaped crystals within the dolomite clasts...
Journal Article
Journal: Economic Geology
Published: 01 April 1985
Economic Geology (1985) 80 (2): 221–249.
.... This hydrothermal material consists mainly of ocherous Fe hydroxide (goethite) comprising about 62 percent of the bulk product recovered from the southeastern seamount; it overlies Fe-rich massive sulfide (24%), silica-rich sulfide (13%), and massive Fe-Cu sulfides (1%). Localized patches of cobaltiferous pyrite...
Journal Article
Published: 01 February 1979
American Mineralogist (1979) 64 (1-2): 136–139.
...J. R. Craig; D. J. Vaughan Abstract Cattierite (CoS 2 ) specimens from the type locality contain disulfides deposited in the sequence pyrite (<0.9 percent Co) → cobaltiferous pyrite (15-20 percent Co) → cattierite (3.5-6 percent Fe and 2-8 percent Ni). Cattierite formation was accompanied...
Image
Photomicrographs of mineralized samples in reflected light. (A) Coarse euhe...
Published: 01 September 2012
fragments) with disseminated cobaltite; tourmaline is dark gray; black specks are pits; Haynes-Stellite deposit, sample GH-BB-23. (F) Magnetite with cobaltiferous pyrite and minor quartz, Iron Creek area, sample GH-IC-03. Mineral abbreviations: Amp = am-phibole, Au = native gold, Bi = native bismuth, Bt
Journal Article
Published: 01 February 1924
American Mineralogist (1924) 9 (2): 39–44.
... Abstract J. Morozewicz: Lubeckite, a cobaltiferous mineral from Miedzianka. Bull. Int. Acad. Sci. Cracovie, Class A, Sci.-Math ., 1918 , 185-190; through Min. Abstr ., 2 , 52; (original not seen). Copyright © 1924 by the Mineralogical Society of America 1924 Mineralogical Society of America ...
Image
Representative compositions of sulfarsenide minerals from EPMA.         Loc...
Published: 10 March 2021
25.62 0.20 100.58       Cobaltiferous arsenopyrite   20.28 44.89 30.29 0.29 4.16 bdl 99.91       Cobaltiferous arsenopyrite   20.16 45.55 31.33 0.25 3.20 0.02 100.52       Cobaltite   20.58 44.53 5.52 bdl 29.58 0.01 100.22       Glaucodot   19.73
Image
Photographs of mineralized samples. (A) Lenses of granoblastic cobaltite fr...
Published: 01 September 2012
cobaltiferous pyrite from the No-Name deposit in the Iron Creek area, sample GH-IC-03; note that other magnetite-rich samples from this deposit lack sulfides ( Nash, 1989 , fig. 4F).
Journal Article
Journal: Economic Geology
Published: 01 January 2001
Economic Geology (2001) 96 (1): 61–74.
... inclusions ( Fig. 9D ). In addition, a cobaltiferous pyrite inclusion (2 μ m) was identified in an octahedral crystal located 1 cm from the quartz vein ( Fig. 9B and C ). The alteration envelope around the quartz vein is finely laminated and is composed mainly of fine aggregates of Fe(Mn) hydroxide...
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Journal Article
Published: 01 December 2011
European Journal of Mineralogy (2011) 23 (6): 959–968.
... to be responsible for the blue coloration, correlated with Ni, Zn and Mn. On this basis, the author suggested that the source of Co should have been “cobaltiferous alum salts, sulphates of Al-Mg-Mn containing Ni and Zn”. This has also been proposed as the colouring agent for blue glass of the 18th Egyptian Dynasty...
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Image
F ig . 9. A. Photomicrograph of jacutinga, showing the
contact between the ...
Published: 01 January 2001
of magnetite (Mt) partially replaced by hematite II (HII) and Fe hydroxide (FeH). Note that some of the crystal planes are completely leached out forming a net texture (reflected light). C. Photomicrograph showing a close-up of (B) with remnants of magnetite (Mt) and a cubic inclusion of cobaltiferous pyrite
Journal Article
Journal: Economic Geology
Published: 01 September 2012
Economic Geology (2012) 107 (6): 1115–1141.
... veins Minor, euhedral grains, commonly rimmed or replaced by cpy Minor to significant silicified net-texture infill Ore mineralogy Cpy-tn-cobaltiferous py, Co-Ni and Co-As sulfide? Cpy-tn-cobaltiferous py, trace Co-Ni and Co-As sulfide Cpy-tn-cobaltiferous py, trace Co-As sulfide, Co-Ni sulfide...
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Journal Article
Published: 01 March 1984
Journal of the Geological Society (1984) 141 (2): 291–297.
... of Mackenzie Pap. geol. Surv. Can 1973 73-9 178 Bartholom P. Les minerais cupro-cobaltiféres de Kamoto (Katanga tjuestj. I Pétrographie Studia Universitatis “Lovanium”, Faculté des Sciences Kinshasa 1962 14 40 Bartholomé, P. 1974. On the diagenetic formation of ores in sedimentary beds...
Journal Article
Journal: Economic Geology
Published: 01 December 2000
Economic Geology (2000) 95 (8): 1635–1656.
... and alteration assemblages apparently reflect this change in metamorphic grade: disseminated, stratiform, and veinlet mineralization of cobaltiferous pyrite, cobaltiferous arsenopyrite and chalcopyrite in quartzites, and ankeritic carbonate-bearing phyllites at Iron Creek and Blackpine; stratiform and vein...
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