 | | Journal (article/letter/editorial) | | insulator corundum (α-Al2O3) vs. the semiconductor hematite (α-Fe2O3). Furthermore, the coadsorbed Fe(II)...electronic-coupling through the semiconducting hematite surface facilitates ET between the adsorbates...properties between the isostructural corundum and hematite (001) surfaces lead to considerably different...to the insulating corundum (001) surface, the hematite (001) surface can potentially participate in ET...sites from the Fe d-states near Fermi level at the hematite surface. The adsorption of Fe(II) also introduces |  | | Journal (article/letter/editorial) | | isotope exchange among 2+ Fe (aq), Fe3+(aq), and hematite (α-Fe2O3) (Rustad and Dixon, 2009). The authors...fractionation of Fe3+(aq) relative to hematite, regardless of whether the hematite was represented by a bulk or...performing Bader’s atoms in molecule charge analysis (Bader, 1985) using the grid-based algorithm of Henkelman...charges in the periodic calculations determined via Bader analysis and in the molecular cluster models determined...species. For the C and O atoms of the oxalate, the Bader analyses of the periodic DFT results in charges |  | | Journal (article/letter/editorial) | | for measuring atomic radii in solids is that of a Bader-volume analysis, where the charge density is decomposed...et al., 2006). The charge enclosed within this Bader volume is a good approximation to the total electronic...fails (Alfredsson et al., 2004). For α –Fe2 O3 (hematite), for example, it accurately predicts structural...Letters 440 (2016) 178–186 Table 1 Boltzmann average Bader charges, deviation from fully ionic character (D)...GPa. The 1/3 Bader radii are calculated from the Bader volumes using rBader = V Bader . Mg2A+ Si4B+ |  | Yan, Zhen, Aitchison, Jonathan C., Fu, Changlei, Guo, Xianqing, Xia, Wenjing, Niu, Manlan (2016) Devonian sedimentation in the Xiqingshan Mountains: Implications for paleogeographic reconstructions of the SW Qinling Orogen. Sedimentary Geology, 343. 1-17 doi:10.1016/j.sedgeo.2016.07.009 | Journal (article/letter/editorial) | | (2001); Yan et al. (2007a); Shi et al. (2007) and Bader et al. (2013a). Distribution of the Danfeng ophiolitic...Hannan and Bikou complexes after Wang et al. (2008); Bader et al. (2013a) and references therein. Distribution..., 2009a; Wang et al., 2009; Dong et al., 2011; Bader et al., 2013b). It consists mainly of Early Paleozoic...complexes; You et al., 1993; Diwu et al., 2010; Bader et al., 2013a and references therein). Although...by Neoproterozoic (ca. 762–680 Ma) granitoids (Bader et al., 2013a and references therein). Igneous geochemistry |  | | Report (issue) | | brown ores, commonly known as limonite or brown hematite. They are of two varieties a dark-brown or black...sediments. . The Iron Age iron ores are largely hematite altered from magnetite, in the form of veins cutting...greatest in specimens taken near one of the larger hematite-magnetite veins. This fact, together with the...contains a network of small veins of magnetite, hematite, epidote, and garnet, with which are associated...feet from the vein contact. Small stringers of hematite, magnetite, or limonite traverse this decomposed |  | Pantaleone, Stefano, Corno, Marta, Rimola, Albert, Balucani, Nadia, Ugliengo, Piero (2021) Ab Initio Computational Study on Fe2NiP Schreibersite: Bulk and Surface Characterization. ACS Earth and Space Chemistry, 5 (7) 1741-1751 doi:10.1021/acsearthspacechem.1c00083 | Journal (article/letter/editorial) | | metallic behavior of this system is confirmed by the Bader charges56−58 (Table 2), which reveal an almost zero...charge on Ni, indicating atomic character, while the Bader charges on the two kinds of Fe atoms are more or...slightly positive (0.321e). The significant negative Bader charge on phosphorus (−0.640e) keeps the cell electrically...http://pubs.acs.org/journal/aesccq Article Table 2. Bader Charge Analysis and Spin Moment of the Irreducible...and 700 cm−1 can be attributed to inclusions of hematite, magnetite, and goethite.61,63 Figure 4 shows |  | | Report (volume) | | ........................................... 28 Bader tract............................................. 30 3. Distribution of float and outcrops on Bader tract and vicinity..... 32 4. 5. 6. 7. 35 36...(magnetite) (Fe304) or of admixtures of magnetite with hematite (Fe203) occur in deposits Of noteworthy size in...the Olive ore body. BADER TRACT. By A. C. SPENCER. The property known as the Bader tract lies about 9...represents the most northerly known extension of the Bader ore range. Farther northwest there is no trace of |  | | Journal (article/letter/editorial) | | (Leland and Bard 1987). This is similar to that of hematite (2.2 eV) where tunneling is much more routine...described, the following background is helpful. Bader (1990) showed that bonding can be defined by the...approximately 0.5 eV higher than that measured for hematite (Junta-Rosso and Hochella 1996) is expected. The...bonding in goethite, vs. only Fe-O bonding in hematite, results in reduced shielding on the iron core...McIntyre and Zetaruk (1977) compared XPS spectra of hematite and goethite. They note that the nonprotonated |  | | Journal (article/letter/editorial) | | F. S. Muscovite with small optic .. 559 274 Bader, H. Defnition of Euclidean geometricalsyrnmetry...Euclidean geometrical symmetr5r, a defaition of. (H. Bader). . . . . Eudialyte in quartz-bearing syen i t e...Ex-solution intergrowths, natural, of magnetite and hematite. (Edwards) Fahey, J. J. with Murdoch, J. Gabbro-granite... 109 Kidd, D. J. \'ith Smith, F. G. relations Hematite-goethite in neutral and alkaline solu403 t i o...axes of syrnmetry and their 104 zet). . . symbols.(Bader)...... 752 274 Swartzite. Sedimentary Rc,cks. (Pettijohn) |  | | Journal (issue) | | term, green and yellow xi. 3 x 2 ¼ x I¾ .. . . HEMATITE, Egremont, Cumberland. Brilliant xis. on mass...Rhodochrosite. 2 x 1 x 1 ¼ . . ...•............. HEMATITE, Elba. Xld. w. brilliant iridescent tarnish. 1.......................................... 27 DR. BADER ON " ICE CRYSTALS AND THE SNOW AGGREGATES". By Charles...British Isles during the Congress, including to the hematite ore districts, and to the leadzinc of Halkyn....research collections. 28 ROCKS AND MINERALS DR. BADER ON " ICE CRYSTALS AND THE SNOW AGGREGATE" BY CHARLES |  | | Report (issue) | | stock and the one west of Old Hachita each have hematite-bearing siliceous zones in the rocks immediately...Livermore Spring were developed by Mr. and Mrs. Bader to explore copper veins in the roof of a quartz...Old Hachita region to the north and the Sylvanite-Bader region to the south; Howells Ridge is the dividing...Sylvanite-Bader region south of Howells Ridge, most of the activity since 1950 has been on the Bader properties...Arizona, called the Tuco Mining Company, leased the Bader properties and the Copper Dick mine. They did little |  | | Journal (issue) | | Lengenbach Mineral Locality, Binna Valley, Valais, Switzerland............................................Imhof Famous Mineral Localities: Lengenbach, Switzerland 275 by Stefan Graeser Rare Earth Minerals in...Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland photomicrography: Julius Weber Mamaroneck, New...g e n b a c h q u a rry , B in n a V a lle y , Valais, S w itz e rla n d (see a rtic le s in th is issue...KELLER-WILDI, W yhlenweg 40 CH 4 1 2 6 Bettingen, Switzerland ★ Cabinet specimens ★ Miniatures ★ Thumbnails |  | Zalba, Patricia Eugenia, Conconi, María Susana, Morosi, Martín, Manassero, Marcelo, Comerio, Marcos (2011) Dawsonite in Tuffs and Litharenites of the Cerro Castano Member, Cerro Barcino Formation, Chubut group (Cenomanian), Los Altares, Patagonia, Argentina. The Canadian Mineralogist, 49 (2) 503-520 doi:10.3749/canmin.49.2.503 | Journal (article/letter/editorial) | | quartz cement and postdates analcime, calcite, and hematite cements. Unaltered crystals of high sanidine postdate...value of 36.6. The last sample contains almost 47% hematite, and the background is very high, even using special...besides dawsonite, include: analcime, calcite, hematite, halite, trona, quartz and high sanidine. Chlorite...with hematite. In sample LA14B, hematite attains 47% (Table 1a). From optical microscopy, hematite cement...partially or totally occupies cracks and fractures. Hematite is also widespread throughout the altered vitric |  | Varga, Jan, Kelsey, David E., Dong, Yunpeng, Raimondo, Tom, Hand, Martin (2018) Pressure–temperature–time (P–T–t) evolution of fore-arc and foreland schist in the Qinling Orogenic Belt, China: Implications for Late Paleozoic and Triassic subduction termination. Gondwana Research, 61. 20-45 doi:10.1016/j.gr.2018.04.010 | Journal (article/letter/editorial) | | 2003; Dong et al., 2011a, b, c; Diwu et al., 2012; Bader et al., 2013; Tang et al., 2015; Yu et al., 2015;...numerous tectonic models have been proposed (e.g. Bader et al., 2013; Yu et al., 2015; Dong and Santosh...2011; H. Wang et al., 2011; Cheng et al., 2012; Bader et al., 2013; Liu PT et al., 2013; H. Wang et...g. pseudosections) coupled SC with age data (Bader et al., 2013; L. Tang et al., 2016). Therefore,...2011; RI Cheng et al., 2012; Li et al., 2012; Bader et al., 2013; Liu et al., 2013; Zhang et al., 2015; |  | | Journal (article/letter/editorial) | | in the Schwarzwald, Germany (Gehlen von, 1958). Hematite is present in the veins developing acicular aggregates...co-genetic botryoidal hematites from the Eisenbach hematite-manganese mineralization district, Germany, revealed...Locality: Kittenrain Vein. (c) Stellar aggregates of hematite (“specularite”) (he) coating fluorite (fl). Locality:...of mica from the fault gauge and some data from hematite which still need some further prove. Vein structure...undeformed sandstones above (Dahlkamp, 1979). Hematite mineralization with or without baryte was the |  | | Journal (article/letter/editorial) | | Saudi Arabia Shouwen Shen,1,a) Syed R. Zaidi,1 Bader A. Mutairi,2 Ahmed A. Shehry,1 Husin Sitepu,1 Saud...constituents. Cement minerals include dolomite, hematite, anhydrite, siderite, gypsum, calcite, and pyrite...analysis, the cement minerals detected are dolomite, hematite, Shouwen Shen et al. 128 Figure 6. (Color... anhydrite, siderite, gypsum, calcite, and pyrite. Hematite mainly occurs in the section with a depth of 8617...usually contain relatively high amounts of clays. Hematite is a common mineral in paleosols. It is generally |  | | Report (issue) | | invaluable. The writer is especially indebted to H. Bader for his helpful criticism and encouragement in all...CRREL), then under the scientific leadership of H. Bader, accepted the responsibility for implementing the...projected Antarctica IGY glaciological program (Bader, 1958; Patenaude and others, 1959; Ragle and others...polar ice sheet was made by H. Bader at Site 2, Greenland, in 1954 (Bader and others, 1955). Ina © 2-m-square...hand-excavated pit, extended to 47 m by hand core augering, Bader interpreted the annual layers over a — 70-year period |  | | Journal (article/letter/editorial) | | magnetite and the (0001) plane of rhombohedral hematite or ilmenite. Stacking faults and twin boundaries... Luogufengite is a polymorph of maghemite and hematite with aMenan large magnetic coercive Idaho field...from a magnetite deposit near Cedar City, UT. Hematite lamellae and micro-precipitates in the magnetite...magnetite host can be seen in near Cedar City, UT. Hematite lamellae and micro-precipitates in the magnetite...platy labradorites. (b) Lodestone section showing hematite (Hem) precipitates (bright) in host labradorites |  | | Journal (article/letter/editorial) | | to form dominantly Fe3+bearing minerals such as hematite (α-Fe2O3), maghemite (γFe2O3), goethite (α-FeOOH)...aqueous species; mag = magnetite structure; hem = hematite; wüs = wüstite; oct = octahedral lattice site...an Fe oxide sink, which can be wüstite (FeO), hematite (Fe2O3), and/or magnetite. This is likely to be...density of the actinides, verified by more rigorous Bader population analysis82,83 calculations, as an indicator...initially Pu5+- and Pu6+-incorporated structures. Bader population analysis82,83 of U- and Puincorporated |  | Xian, Haiyang, He, Hongping, Zhu, Jianxi, Du, Runxiang, Wu, Xiao, Tang, Hongmei, Tan, Wei, Liang, Xiaoliang, Zhu, Runliang, Teng, H. Henry (2019) Crystal habit-directed gold deposition on pyrite: Surface chemical interpretation of the pyrite morphology indicative of gold enrichment. Geochimica et Cosmochimica Acta, 264. 191-204 doi:10.1016/j.gca.2019.08.011 | Journal (article/letter/editorial) | | 1 1} surfaces are deciphered by Bader charge-division scheme (Bader, 1990; Henkelman et al., 2006), as...{100} {111} {210} Bader charge (e) 0.9 -0.1 S atoms {100} {111} {210} -0.2 Bader charge (e) (a)...10 15 20 Distance along z-axis (Å) Fig. 11. Bader charge distribution of (a) Fe and (b) S atoms along...on stabilities. J. Phys. Chem. C 114, 8971–8980. Bader R. F. (1990) Atoms in Molecules. Wiley Online Library...Jonsson H. (2006) A fast and robust algorithm for Bader decomposition of charge density. Comput. Mater. |  | | Journal (article/letter/editorial) | | environment around iron atoms, we have analyzed Bader charges (Henkelman et al., 2006; Tang et al., 2009)...the spin transition (Rollmann et al., 2004) in hematite (Fe2O3) which is experimentally reported to occur...Jónsson H. (2006) A fast and robust algorithm for Bader decomposition of charge density. Comput. Mater....calculation of the structure and magnetic phases of hematite. Phys. Rev. B 69, 165107. Rossano S., Ramos A...(2016) Local structure and spin transition in Fe2O3 hematite at high pressure. Phys. Rev. B 94, 014112. Stevenson |  | | Journal (article/letter/editorial) | | from Law and Dol) → Fe2O3 (in Ep, Andradite or Hematite) + C (graphite) + SO42- + HCO3- + CO32-. Mass...such as paragonite, amphibole, sphene, pyrite and hematite. The mineral constitutents in the VE1 are similar...probably are replaced fluid inclusions. Pyrite-hematite conversion reaction was found in the VE (Fig....only for H2O but also for O2. In addition, pyrite-hematite pr conversion reaction founded in the VE indicate...Law and Dol) → Jo u Fe2O3 (in Ep, Andradite or Hematite) + C (graphite) + SO 42- + HCO3- + CO32According |  | Shen, Ting-ting, Wu, Fu-yuan, Zhang, Li-fei, Hermann, Joerg, Li, Xu-ping, Du, Jin-xue (2016) In-situ U–Pb dating and Nd isotopic analysis of perovskite from a rodingite blackwall associated with UHP serpentinite from southwestern Tianshan, China. Chemical Geology, 431. 67-82 doi:10.1016/j.chemgeo.2016.03.029 | Journal (article/letter/editorial) | | Geological Sciences, University of Bern, 3012, Switzerland e Institute of Earth Science and Engineering...10–15 s. Natural jadeite (Si), forsterite (Mg), hematite (Fe), albite (Na, Al), rutile (Ti), rhodonite...their kind suggestions and thanks to Dr. Thomas Bader for comments on the manuscript. Furthermore, we... 2497–2522. Du, J.X., Zhang, L.F., Shen, X.J., Bader, T., 2014. A new P–T–t path of eclogites from Chinese...eclogite–metarodingite suite at Cima di Gagnone, Ticino, Switzerland:. Am. Mineral. 64, 15–31. Fisher, C.M., McFarlane |  | Peng, Weigang, Zhang, Lifei, Menzel, Manuel D., Vitale Brovarone, Alberto, Tumiati, Simone, Shen, Tingting, Hu, Han (2020) Multistage CO2 sequestration in the subduction zone: Insights from exhumed carbonated serpentinites, SW Tianshan UHP belt, China. Geochimica et Cosmochimica Acta, 270. 218-243 doi:10.1016/j.gca.2019.11.025 | Journal (article/letter/editorial) | | and Si), chromium oxide (Cr), rhodonite (Mn), hematite (Fe), and nickel silicide (Ni). The beam diameter...ophidolomite (consistent with the lack of graphite and hematite in the rock) and Fe3+/Fetot = 0.19 for carbonate-bearing...his PhD study in Italy. We are grateful to Thomas Bader, Ryosuke Oyanagi, José Alberto Padrón-Navarta, and...363–382. Li X., Zhang L., Wei C., Slabunov A. I. and Bader T. (2018) Quartz and orthopyroxene exsolution lamellae...Zhang L., Lü Z., Padrón-Navarta J. A., Xia B. and Bader T. (2015) UHP metamorphism documented in Ti-chondroditeand |  | Li, Xiaoli, Zhang, Lifei, Wei, Chunjing, Slabunov, Alexander I., Bader, Thomas (2018) Quartz and orthopyroxene exsolution lamellae in clinopyroxene and the metamorphicP-Tpath of Belomorian eclogites. Journal of Metamorphic Geology, 36 (1) 1-22 doi:10.1111/jmg.12280 | Journal (article/letter/editorial) | | Lifei1, WEI, Chunjing1, SLABUNOV, Alexander I.2, BADER, Thomas1 1. The Key Laboratory of Orogenic Belts...2011; Li, Yu, Zhang, Wei, & Bader, 2017; Liu, Zhang, Li, Slabunov, Wei, & Bader, 2017; Mints et al., 2010a...and Si, chromium oxide for Cr, rhodonite for Mn, hematite for Fe, and nickel silicide for Ni. At the final...precipitates in omphacite from eclogite at Alpe Arami, Switzerland: evidence of deep subduction. Journal of Metamorphic...268, 74-96. Li, X., Yu, H., Zhang, L., Wei, C., & Bader, T. (2017). 1.9 Ga eclogite from the ArcheanPaleoproterozoic |
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