 | Ehm, L., Michel, F. M., Antao, S. M., Martin, C. D., Lee, P. L., Shastri, S. D., Chupas, P. J., Parise, J. B. (2009) Structural changes in nanocrystalline mackinawite (FeS) at high pressure. Journal of Applied Crystallography, 42 (1). 15-21 doi:10.1107/s0021889808034730 | Journal (article/letter/editorial) | | Crystallography Structural changes in nanocrystalline mackinawite (FeS) at high pressure ISSN 0021-8898 Received...11794-2100, USA, bCenter for Environmental Molecular Science, Stony Brook University, NY 11794-2100, USA, and...Photon Source, Argonne National Laboratory, IL 60439, USA. Correspondence e-mail: lars.ehm@stonybrook.edu ...The high-pressure behavior of nanocrystalline mackinawite (FeS) with particle sizes of 6, 7 and 8 nm has...structural phase transition from tetragonal mackinawite to orthorhombic FeS-II was observed at about |  | | Journal (issue) | | \{t;_t:l'!'P_erland County, 5 miles southwest of Carlisle. Photo courtesy~'of Pennsylvania Historical and...Interesting Notes on the Minerals Industry of Pennsylvania A recent report prepared by the U.S. Bureau...Bureau of Mines, updated in part by the Pennsylvania Geological Survey, provides some interesting information...information concerning the minera l industry of Pennsylvania. The mining industry in Pennsylvan ia presently...way of living. Statistics for 1977 show that Pennsylvania ranks first among the states in the production |  | | Report (issue) | | .....? 4. Relative amount of marcasite, Karnes County deposit............9 5. Cross section of the eastern...Tuff, Webb County, Texas, the Lamprecht deposit in the Miocene Oakville Sandstone Live Oak County, Texas...deposit in the Eocene Tordillo Formation Karnes County, Texas. One of the Wyoming deposits occurs in the...together with pyrite is intermixed with 8 KARNES COUNTY TEXAS 40 CO k. 0> Altered tongue 0> E 45...as a function of depth in one core of the Karnes County deposit. Mineralized rock is indicated by a stipled |  | | Journal (article/letter/editorial) | | MINERALOGIST, VOL. 51, SEPTEMBER OCTOBER, 1966 MACKINAWITE FROM THE WITWATERSRANDCONGLOMERATES n{exnnnp...chamberlain and Delabio (1965), but apparently bridges the gap between conflicting opinions expressedin thesetwo...doubt that the mineral in question was actually mackinawite. rn order to confirm the optical diagnosis, a...et al., 1964; Chamberlain and Delabio, 1965),mackinawite con_ tains some Ni, as already inferred from...scanning pictures that in the areasunderlain by mackinawite conspicuous Nix"-intensities were recorded, whereas |  | Blanchard, Marc, Alfredsson, Maria, Brodholt, John, Wright, Kate, Catlow, C. Richard A. (2007) Arsenic incorporation into FeS2 pyrite and its influence on dissolution: A DFT study. Geochimica et Cosmochimica Acta, 71 (3) 624-630 doi:10.1016/j.gca.2006.09.021 | Journal (article/letter/editorial) | | are largely responsible for the generation of acid mine drainage and hence the release of toxic metals such...unit cell Hematite supercell Realgar supercell Mackinawite supercell Sulphur supercell Oxygen molecule Sulphur...ð10Þ The crystal structure of realgar (AsS), mackinawite (FeS) and sulphur (S8) all include a contribution...Nowacki, 1972 for realgar; Lennie et al., 1995 for mackinawite; Rettig and Trotter, 1987 for sulphur). The solution...we also obtain a better description of the band gap, supporting the observations of Von Oertzen et al |  | | Journal (article/letter/editorial) | | 1329 Arizona Economic geology Aluminum, Maricopa county, Wickenberg (Sheridan, Michael F , et al.) tt-t2...(Mclean, W. John, er a/.) 7-E 1103 Hemihedrite,Pinal county, Florencemine, Maricopacounty, Wickenburg,Rat Tail...a/.) 7-8 1088 Kinoite, SantaRita mountains,Pima county (Anthony, John W., er a/.) 5-6 7O9 Phoenicochroite...Jerome,United Verde mine (Wood, Michael M.) 5-6 729 Wherryite, Tiger, Mammoth mine (Mclean, W. John.)...er a/.) 1.2 224 Breccia Intrusive Utah, San Juan county, MosesRock dike, kimberlite (McGetchin, Thomas |  | Blake, Johanna M., Avasarala, Sumant, Ali, Abdul-Mehdi S., Spilde, Michael, Lezama-Pacheco, Juan S., Latta, Drew, Artyushkova, Kateryna, Ilgen, Anastasia G., Shuey, Christopher, Nez, Christopher, Cerrato, José M. (2019) Reactivity of As and U co-occurring in Mine Wastes in northeastern Arizona. Chemical Geology, 522. 26-37 doi:10.1016/j.chemgeo.2019.05.024 | Journal (article/letter/editorial) | | com/locate/chemgeo Reactivity of As and U co-occurring in Mine Wastes in northeastern Arizona a,⁎ b c T c ...Survey, 6700 Edith Blvd. NE, Albuquerque, NM 87113, USA Department of Civil Engineering, MSC01 1070, University...University of New Mexico, Albuquerque, NM 87131, USA c Department of Earth and Planetary Sciences, MSC03...University of New Mexico, Albuquerque, NM 87131, USA d Department of Environmental Earth System Science...Science, Stanford University, Stanford, CA 94305, USA e Department of Civil and Environmental Engineering |  | | Journal (issue) | | April 2015 in the Geosciences Department of the Pennsylvania State University. His research over the last...Applied Research and Exploration Corporation in Pennsylvania and being a consultant for more than 30 corporations...Reviewers Martin Schoonen, Stony Brook University, USA Terry Seward, Victoria University of Wellington,...about experimental approaches was Hu. I wanted to mine his vast knowledge of experimental tricks and naturally...University 503 Deike Building, University Park, Pennsylvania 16802, USA GEOCHEMICAL PERSPECTIVES | H U B E R T |  | Zhang, Lei, Li, Hui-xin, Shi, Feng-xian, Yang, Jian-wei, Hu, Li-hua, Lu, Min-xu (2017) Environmental boundary and formation mechanism of different types of H2S corrosion products on pipeline steel. International Journal of Minerals, Metallurgy, and Materials, 24 (4). 401-409 doi:10.1007/s12613-017-1420-7 | Journal (article/letter/editorial) | | dividing line with a negative slope existed between mackinawite and pyrrhotite. Using experimental data presented...validated the model to predict the formation of mackinawite and pyrrhotite on the basis of the laws of thermodynamics...corrosion products; thermodynamic calculations; mackinawite; pyrrhotite; prediction 1. Introduction With...literature reports, these products consist of mackinawite (FeS), cubic ferrous sulfide (FeS), troilite...pyrite (FeS2), among other sulfides [12–16]. Mackinawite is a semi-stable form of FeS formed in environments |  | | Journal (article/letter/editorial) | | University of California, Berkeley, CA 94720-3114, USA a r t i c l e i n f o Article history: Received...metals Mercury Surface speciation Birnessite Mackinawite a b s t r a c t Density functional theory (DFT)...therefore intended as a contribution to filling this gap in information by illustrating how DFT has been applied...substitution/intercalation mechanisms in mackinawite, and Hg surface speciation on mackinawite. 2. DFT calculations 2...by hydrated cations or protons (Post, 1999). Mackinawite (Fig. 2b) is a strong chemical reductant which |  | | Journal (article/letter/editorial) | | bacteria influence the nucleation and growth of mackinawite and greigite Aude Picard, Amy Gartman, David...bacteria influence the nucleation and growth of mackinawite and greigite, Geochimica et Cosmochimica Acta...bacteria influence the nucleation and growth of mackinawite and greigite Aude Picarda*, Amy Gartmana1, David...address: U.S. Geological Survey, Santa Cruz, CA, USA 1 ABSTRACT Sedimentary iron sulfide minerals play...formed in media without cells. Specifically, mackinawite growth is favored in the presence of both live |  | | Journal (article/letter/editorial) | | L. BARNES Ore Deposits Research Section, The Pennsylvania State University, University Park, PA 16802...supersaturations) of precursor phases such as amorphous FeS, mackinawite, and greigite. These phases conceivably influenced...that saturation with respect to amorphous FeS, mackinawite, or griegite was not achieved before the experiment...marcasite from the Elmo Mine near Platteville, WI, and pyrite from the Ward Mine near Glendon, NC. Preferred...microscopy for the presence of S8, greigite, mackinawite, amorphous FeS, pyrite, and marcasite; some filter |  | | Journal (article/letter/editorial) | | Brookins, D. G. Metastibnite from The Geysers, Sonoma county, California Brown, F. H. Zoning in some volcanic...Pampa Larga, Copiap6, Chile Alan H. Nickelian mackinawite from Vlakfontein, Transvaal; a discussion Alan...beta-Be(OH)1, from the Rode Ranch pegmatite' Llano county, Texas Einaudi. Marco T. An iron-sensitive stain...anthophyllite and the anthophyllite miscibility gap [abstr.] J e d w a b , J a c q u e s M o u n t i...related rocks in the Moses Rock dike, San Juan county, Utah McGuire, Robert C. lmplications of hydroxyl-oxygen |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Journal (article/letter/editorial) | | greigite has focussed on its relationship to mackinawite (FeS) and pyrite (FeS2), because of the important...transformation of mackinawite (Lennie et al., 1997), during which two thirds of the mackinawite Fe(II) is oxidised...depends on the crystallinity of the precursor mackinawite (Csákberényi-Malasics et al., 2012). Despite...for a number of days. We see clear evidence of a gap (or areas of less mass thickness) between the greigite...coordination environments. These were: amorphous mackinawite (S(-II)), pyrite (S(-I)), elemental sulfur, S8 |  | Johnston, Scott G., Burton, Edward D., Keene, Annabelle F., Planer-Friedrich, Britta, Voegelin, Andreas, Blackford, Mark G., Lumpkin, Greg R. (2012) Arsenic mobilization and iron transformations during sulfidization of As(V)-bearing jarosite. Chemical Geology, 334. 9-24 doi:10.1016/j.chemgeo.2012.09.045 | Journal (article/letter/editorial) | | 2012 Editor: J. Fein Keywords: Arsenic Jarosite Mackinawite Sulfide EXAFS Orpiment a b s t r a c t Jarosite...(KFe3(SO4)2(OH)6) is an important host-phase for As in acid mine drainage (AMD) environments and coastal acid sulfate...sulfidization under acidic conditions (pH 4.0). Mackinawite was the main Fe-mineral end product in all pH...Fe(III)-mineral in coastal acid sulfate soils (CASS) and acid mine drainage (AMD) settings (Acero et al., 2006; Asta...species. Potential Fe(II) precipitates can include mackinawite (FeSm), if there is sufficient HS− to react with |  | | Journal (article/letter/editorial) | | pages 960-967, 1995 Transformation of synthetic mackinawite to hexagonal pyrrhotite: A kinetic study Ar,rsr...the transformation of synthetically prepared mackinawite to hexagonal pyrrhotite have been studied to...fraction of hexagonalpyrrhotite obtained by heating mackinawite samplesin the temperature range of 530-545 K...experiment may be used to show that persistenceof mackinawite in nature can be explained by kinetic factors...alone. Reactions at low temperatures,in which mackinawite is oxidized or further sulfidized, are therefore |  | | Report (volume) | | the resulting Acid Rock Drainage (ARD), or Acid Mine Drainage (AMD) where the sulfides are the waste...Pentlandite (Fe, Ni)9S8 Acanthite – Argentite Ag2S Mackinawite FeS Berndtite SnS2 Molybdenite MoS2 Stibnite...Layer-like structures: Monochalcogenides and related -mackinawite, its intercalates and derivatives -covellite...M:S =1:1 Mackinawite and related families Mackinawite. The crystal structure of mackinawite Fe1+xS (possible...interactions. The “metal surplus” in some samples of mackinawite has been identified as a result of anion vacancies |  | | Journal (article/letter/editorial) | | such as the Advanced Photon Source (APS) in the USA, the European Synchrotron Radiation Facility (ESRF)...and Spring8. Other installations followed in the USA (Weidner & Mao 1993) at the NSLS and APS, and at...2995 Wilderness Place, Boulder, Colorado 80301, USA. Time resolution in this configuration is 5 minutes...The first, a study of the transformation of mackinawite (FeS) to pyrite (FeS2), uses monochromatic powder-diffraction...an iron monosulfide such as disordered mackinawite, mackinawite or greigite, and S° represents a source |  | | Journal (article/letter/editorial) | | University of Maryland, College Park MD 20742, USA Division for Marine and Environmental Research, Ruđer...March 2011 Editor: J. Fein Keywords: Molybdenum Mackinawite Euxinic basins Rogoznica Lake Thiomolybdates...et al., 2008; Dahl et al., 2010). However a large gap remains in our understanding of the post-thiomolybdate...Germany). An autosampler (ASX 510, Cetac Technologies, USA) and sample introduction kit consisting of a seaspray...standard solution (1 g/L) of U (Aldrich, Milwaukee, WI, USA) was added. Quality control was provided by simultaneous |  | | Journal (article/letter/editorial) | | groundwater containing synthetic nanocrystalline mackinawite Yuqiang Bi a, Sung Pil Hyun a,1, Ravi K. Kukkadapu...48109, USA b Pacific Northwest National Laboratory, 902 Battelle Blvd, Richland, WA 99352, USA Received...remain largely unresolved. To address this knowledge gap, abiotic batch experiments were conducted with synthetic...UO2 in the presence and absence of synthetic mackinawite (FeS) under simulated groundwater conditions...abundant supply of reduced solids, such as FeS0.9 (mackinawite; hereafter referred as FeS), for redox buffering |  | Qian, Gujie, Brugger, Joël, Skinner, William M., Chen, Guorong, Pring, Allan (2010) An experimental study of the mechanism of the replacement of magnetite by pyrite up to 300°C. Geochimica et Cosmochimica Acta, 74 (19) 5610-5630 doi:10.1016/j.gca.2010.06.035 | Journal (article/letter/editorial) | | commonly an ‘FeS’ phase (e.g., amorphous FeS, mackinawite, pyrrhotite) and sometimes a Fe-oxy-hydroxide...Drobner et al., 1990). Sulfidation of troilite and mackinawite with H2S(aq) at temperatures between 100 and...et al. (2000) studied pyrite formation from mackinawite (nominally written as FeS) below 100 °C and over...where FeS(s) represents an Fe monosulfide such as mackinawite. In contrast, H2S is the oxidant in both the...hydrothermal conditions in BIF at Mt. Morgans Au mine (Yilgran Block, Western Australia). The replacement |  | | Journal (article/letter/editorial) | | Pyrrhotite, Bridgmanite, Serpentine, Fougerite and Mackinawite Michael J. Russell 1, * and Adrian Ponce 2 1...California Institute of Technology, Pasadena, CA 91109, USA; adrian.ponce@jpl.nasa.gov Correspondence: michaeljohn...6(x−1) O12 H2(7−3x) ]2+ ·[(CO2− )·3H2 O]2− ) and mackinawite (Fe[Ni]S), are vital—comprising precipitate membranes—as...hydrothermal mounds comprising fougerite, subordinate mackinawite and silica gel of precipitate hydrothermal mounds...mounds comprising fougerite, subordinate mackinawite and silica [39,45–47].The Thediagram diagramindicates |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |
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Gap Mine, Bart Township, Lancaster County, Pennsylvania, USA