— The organic carbon forms of the tailing sample from treatment "4TB" (freeze-dried and finely ground) were measured by C 1s NEXAFS analysis at the soft X-ray (SXR) beamline in Australian Synchrotron, Australia. ... (l-n) S 0 particles; (i-k & o-q) weathering of primary Fe tailing minerals (e.g., biotite-like, richterite-like or iron oxides ...
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The beneficiation of cassiterite fines from a tailing slime in the Datun . International Seminar on Mineral and Coal Technology ... the sample was prepared by drying and then grinding to 200 mesh. Initial ... magnetite, hematite, and biotite. The chemical composition analysis using AAS of skarn ore shows content of 0.66% Sn, 33.16% Fe, and 10. ...
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— This research work aims at synthesizing muscovite through a straightforward and direct wet thermal oxidation of an ash sample produced from biotite-rich coal tailings. For this purpose, the lab ash powder was mixed with 35% H2O2 at the room …
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Key words: biotite, Festuca pratensis, K-feldspar,Phleum pratense, plant available K, potassium Abstract Crushed rocks and mine tailings containing biotite, K-feldspar and nepheline as K-bearing minerals were applied as K fertilizers in a series of 15 grassland field trials. A treatment with KCl as K-source outyielded treatments with
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the uranium tailings on the ground surface in tailings pond (Elango et al., 2012; Brindha, 2012). There are ... pink biotite granite, grey hornblende biotite ... In the Figure 1: Study …
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— This research work aims at synthesizing muscovite through a straightforward and direct wet thermal oxidation of an ash sample produced from biotite-rich coal tailings.
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This research work aims at synthesizing muscovite through a straightforward and direct wet thermal oxidation of an ash sample produced from biotite-rich coal tailings. ... Muscovite The crystallographic study and lattice parameter calculations revealed that the starting material from a Biotite-Rich Coal Tailing. and product peaks matched to ...
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— Overall, the study has elucidated the rhizosphere effects on tailing mineral (biotite dominant) weathering and secondary Fe-Si mineral formation, justifying pioneer plant roles in eco-engineering ...
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— The exploitation of iron ore could cause heavy metals pollution in the soils, which threatens the ecosystem and human health. In this study, soil, stream sediment, tailings, rock, and atmospheric …
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— It was found from the study that the tailing sample contained particle size over 100 mesh about 94% of total weight and was composed of quartz 61-90%, iron-bearing minerals such as muscovite and ...
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— However, erratic results are obtained for mixtures of reference sulfide and pyroxene, amphibole, or biotite. These minerals may suppress sample peaks, cause extreme peak tailing, and prohibit isotope ratio measurements. ... Note the suppressed height and extreme tailing of the sample peak. In our laboratory, extreme peak tailing is …
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— The weathering of magnetite and biotite-like phyllosilicates were accelerated, resulting in increased concentrations of soluble Mg, K, Fe, Ca, and Si in porewater. ... Products, Netherlands) which were inserted vertically into the centre of the tailings profile. At each porewater sampling, equivalent amounts of DI water were added back into the ...
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Relief: Moderate positive Habit/Form: Euhedral crystals are not uncommon, are usually tabular parallel to (001), and have a roughly hexagonal cross section. Also found as micaceous or tabular grains, or grains with …
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— The elemental composition of the tailing samples was carried out using 10 gr of the sample which was ground up to 45 µm and put on an aluminum sample holder of 15 mm diameter and 1 mm depth. Then, the sample was pressed until a brick is generated and the multi-elemental analysis was obtained through WD-XRF.
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— The green dashed line is the ore body boundary (at lower grades of 0.2% Cu). The brown pentagon is the position of the sample containing primary biotite, the light brown pentagon is the position of the sample containing secondary biotite, and the red quadrilateral is the position of the sample containing vein-hosted biotite.
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— Overall, the study has elucidated the rhizosphere effects on tailing mineral (biotite dominant) weathering and secondary Fe-Si mineral formation, justifying pioneer plant roles in eco-engineering ...
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— The samples do not represent the whole mining tailings area of their origin, but only the shallow tailings at one sampling point. Surface of the tailing dumpling may differ from the overall composition of the tailing deposit. ... FMT1 contained 6% biotite, which is a Fe-rich mineral, which could partly explain the presence of Fe in the mullite ...
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forward and direct wet thermal oxidation of an ash sample produced from biotite-rich coal tailings. For this purpose, the lab ash powder was mixed with 35% H2O2 at the room temperature of 25 °C ... biotite; oxidation; coal tailing; crystal structure 1. Introduction Biotite and muscovite are two phyllosilicate minerals within the mica family ...
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— The exploitation of iron ore could cause heavy metals pollution in the soils, which threatens the ecosystem and human health. In this study, soil, stream sediment, tailings, rock, and atmospheric deposition samples were collected from an iron mine in Baotou City. The concentrations of As, Cd, Cr, Cu, Hg, Ni, Pb, Zn, Al2O3, CaO, K2O, …
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— Like other mica minerals, biotite has a highly perfect basal cleavage, and consists of flexible sheets, or lamellae, which easily flake off. It has a monoclinic crystal system, with tabular to prismatic crystals with an obvious pinacoid termination. The images below show a sample of mica biotite, and a sheet subjected to X-ray diffraction.
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— BOM amendment with soil inoculum resulted in a rapid neutralization of alkaline pH conditions in the tailings. The weathering of magnetite and biotite-like …
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Crushed rocks and mine tailings containing biotite, K-feldspar and nepheline as K-bearing minerals were applied as K fertilizers in a series of 15 grassland field trials. A treatment …
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Download scientific diagram | Particle size distribution of the tailing sample by laser diffraction. from publication: Flotation of kaolinite from tailings of kaolin-washing plants by cationic ...
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— However, the relative errors of biotite, glauconite and ferrorichterite were large because of their low concentrations and high variations within the sampled slurries. …
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— XRD pattern for the as-received sample is shown in Fig. 2 from which high-intensity peaks for quart can be observed. The other XRD peaks in the material are biotite (K(Mg,Fe) 3 AlSi 3 O10(F,OH) 2) and orthoclase (KAlSi 3 O 8). The intensity peaks for copper-bearing minerals could not be observed as they are below the detection limit of …
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— Mapping of minerals using SEM-BSE: (A) Ilmenite-rutile tailing (Sample Bngk 27); (B) monazite tailing (Sample Bngk 21). In all the samples examined, subordinate amounts o f following minerals have ...
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— Biotite major element compositions from EPMA are reported as oxides and recalculated based on 22 oxygen atoms (Appendix A). Biotite rare and trace element data from LA-ICP-MS are reported in ppm (n ~ 120; Appendix A). 4. Biotite-muscovite-garnet associations in Iranian igneous and metamorphic samples
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— Among the three plant species, Sorghum spp. (Gramineae plant) root developed most extensively in the tailings, possibly leading to more efficient mineral weathering and secondary mineral formation than …
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Download scientific diagram | Field photographs (A) Tailing dumps of greisenised granite, quartz-mica-wolframite veins and pegmatite on eastern slope of Rewat Hill; Different rock fragments in ...
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— A complete characterization of the copper tailing sample was carried out as chemical and mineralogical composition and size distribution. The analytical procedures are depicted in Table 1. ... (30.5 wt%), biotite (21.3 wt%), garnet (10.4 wt%), quartz (9.5 wt%), and chlorite (7.5 wt%), totalizing 79.1 wt% of the total mass. Magnetite corresponds ...
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— The weathering rate, R, was then calculated as follows: (3) R = m i-m f M T × S where m i and m f are the initial and final mass of the biotite per g of sample respectively, M is the molar mass of biotite, calculated from structural formulae of the studied biotite established by Mareschal (2008) (455 g·mol −1), T is the weathering duration ...
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— Mine tailings contain finer particles, crushed rocks, dugout-soil, water, and organic and inorganic metals or metalloids, including heavy metals and radionuclides, which are dumped as waste or non-economic by-products generated during mining and mineral processing. These abundant and untreated materials seriously threaten the …
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Furthermore, the presence of biotite (susceptibility ranging 873-3040 × 10 −6 ) and muscovite (susceptibility ranging 36-711 × 10 −6 ) in the FMC is reasonable due to their positive and high ...
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Crushed rocks and mine tailings with K-feldspar, biotite and nepheline as their main K-bearing minerals were tested as K-fertilizers in a pot experiment with barley.
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Especially, Bangka Island is located in a tropical area with medium rainfall, around 2500 mm/year (Yusoff et al., 2013). This island was intruded by granite pluton with an altitude between 0 ->400 ...
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