 | | Journal (article/letter/editorial) | | sulphur oxidation Biomarker Acid mine drainage Pyrrhotite a b s t r a c t The formation of jarosite in...sulphidic minerals such as pyrite (FeS2) and pyrrhotite (Fe1 − xS) found in mining waste materials. The...metabolisms, we demonstrate that oxidation of pyrrhotite, a putative Mars mineral, by a sulphur oxidizing...preservation of microbially produced jarosite via pyrrhotite-associated sulphide oxidation does not require...mining waste rock and tailings (e.g. pyrite FeS2, pyrrhotite, Fe1 − xS). Current understanding suggests that |  | | Journal (article/letter/editorial) | | Smythite, a new iron sulfide, and associated pyrrhotite from Indiana Eunicite (Paiva Hetto) Evans, H...Smythite, a new iron sulfide, and associated pyrrhotite from Indiana with Robinson, S. C., Schaller,...(Young, Hanes, M. E., with Mclntosh, L. Bellizzia, Renz, Johnson, 432 L i n e a t i o np r o t r a c t o...Srnythite, a new iron sulfde, and associated pyrrhotite from Indiana.... 309 Reichen, L. E., and Lemmon...Smythite, a new iron sulfide, and associated pyrrhotite from fn309 diana @rd, Evans, Richter). Sriramadas |  | Dehouck, E., Chevrier, V., Gaudin, A., Mangold, N., Mathé, P.-E., Rochette, P. (2012) Evaluating the role of sulfide-weathering in the formation of sulfates or carbonates on Mars. Geochimica et Cosmochimica Acta, 90. 47-63 doi:10.1016/j.gca.2012.04.057 | Journal (article/letter/editorial) | | study designed to test the impact of Fe-sulfides (pyrrhotite Fe0.9S) on the weathering of basaltic silicates...2011). It has also been proposed that monoclinic pyrrhotite (Fe1xS; x = 0–0.2) could be an important magnetic...surface or near-surface of Mars. On Earth, due to the lower sulfur content of the mantle and to the different...For the Fe-sulfide, we chose natural hexagonal pyrrhotite (HPo) Fe0.9S from Ducktown Mine, Tennessee (Carpenter...similar studies (Chevrier et al., 2004, 2006). Pyrrhotite is known to be abundant in some SNC meteorites |  | Chevrier, V., Mathé, P.-E., Rochette, P., Grauby, O., Bourrié, G., Trolard, F. (2006) Iron weathering products in a CO2+(H2O or H2O2) atmosphere: Implications for weathering processes on the surface of Mars. Geochimica et Cosmochimica Acta, 70 (16) 4295-4317 doi:10.1016/j.gca.2006.06.1368 | Journal (article/letter/editorial) | | phases magnetite Fe3O4, pyrrhotite Fe1xS and pure elemental iron. Pyrrhotite was used because several...the main magnetic carrier in SNC meteorites is pyrrhotite rather than magnetite (Rochette et al., 2001)...product number 1.03819.0100), natural hexagonal pyrrhotite HPo Fe0.9S from Ducktown Mine, Tennessee, USA...USA (Carpenter, 1974) and natural monoclinic pyrrhotite MPo of unknown origin, provided by the Museum d’Histoire...lm for pyrrhotites. The broad grain size for pyrrhotite is representative of the usual grain size of |  | Ramkissoon, Nisha K., Pearson, Victoria K., Schwenzer, Susanne P., Schröder, Christian, Kirnbauer, Thomas, Wood, Deborah, Seidel, Robert G.W., Miller, Michael A., Olsson-Francis, Karen (2019) New simulants for martian regolith: Controlling iron variability. Planetary and Space Science, 179. 104722 doi:10.1016/j.pss.2019.104722 | Journal (article/letter/editorial) | | magnetite, enstatite, dunite, anhydrite, sanidine, pyrrhotite, selenite. Various environmental sources. ...regolith (17.76 wt %), but the Mg concentration is lower than required and is approximately 3 wt% enriched...Hydrous amphibole Ti-magnetite Ilmenite Apatite Pyrrhotite Glass OUEB-1 OUSR-1 OUHR-1 OUCM-1 30 10... Columns of the Mayen lava flow, taken from the quarry from which the phono-tephrite was collected (Germany)...component characterisation. OUSR-1 also had a lower SiO2 (5.3 wt% lower than target), potentially resulting from |  | | Journal (article/letter/editorial) | | natural magnetization in the shergottites is pyrrhotite Fe1xS (Rochette et al., 2001) rather than titanomagnetite...regolith magnetization of 1.2 A m2/kg, a value lower than the average measured magnetization, i.e. 4...from alteration of large deposits of sulphides (pyrrhotite) usually associated to the komatiitic formations...obliquity, ice is destibilised and transferred to lower latitudes, as evidenced by observations of glacier... C., Rodionov, D., de Souza Jr., P.A., Yen, A., Renz, F., Wdowiak, T., Squyres, S., 2004a. Mössbauer |  | Lorand, Jean-Pierre, Hewins, Roger H., Remusat, Laurent, Zanda, Brigitte, Pont, Sylvain, Leroux, Hugues, Marinova, Maya, Jacob, Damien, Humayun, Munir, Nemchin, Alexander, Grange, Marion, Kennedy, Allen, Göpel, Christa (2015) Nickeliferous pyrite tracks pervasive hydrothermal alteration in Martian regolith breccia: A study in NWA 7533. Meteoritics & Planetary Science, 50 (12) 2099-2120 doi:10.1111/maps.12565 | Journal (article/letter/editorial) | | with higher sulfur abundances and bedrock with lower average sulfur abundances (Dyar et al. 2011). Oxidized...sulfides (pyrrhotite) to be stable sulfides. Studies of Martian (SNC) meteorites reported pyrrhotite as the...(pyrite/marcasite) have been reported to replace the pyrrhotite in some veins inside nakhlites/chassignites (Floran...therein). Micrometer-sized pyrite grains replacing pyrrhotite were reported in ALH 84001 as shock products...al. (2013) pointed out the occurrence of both pyrrhotite (1 0.5 wt%) and pyrite in Yellowknife mudstone |  | | Journal (article/letter/editorial) | | with small amounts of Fe–Ti oxides and scarce pyrrhotite [22]. 2. Methods 2.1. Sample description and...exceptionally reaching 10 μm. Sulfide is mainly pyrrhotite as evidenced by reflected light and SEM (Fig...3b) observations as well as EDX analyses. The pyrrhotite is present in the fresh core zone but disappears...disappears near the surface, and some of the pyrrhotite grains are weathered with iron (oxy)hydroxides filling...probably mixed with (oxy)hydroxides resulting from pyrrhotite weathering. Observations of Ferrar dolerite in |  | Louzada, Karin L., Stewart, Sarah T., Weiss, Benjamin P., Gattacceca, Jérôme, Lillis, Robert J., Halekas, Jasper S. (2011) Impact demagnetization of the Martian crust: Current knowledge and future directions. Earth and Planetary Science Letters, 305 (3) 257-269 doi:10.1016/j.epsl.2011.03.013 | Journal (article/letter/editorial) | | (titano-) magnetite, (titano-) hematite, and pyrrhotite. We find that all samples demagnetize substantially...Martian meteorites) (Rochette, et al., 2001), has a lower spontaneous magnetization (~75% that of magnetite)...single-domain) magnetite and ilmenite. Single-domain pyrrhotite, with a low Curie temperature of 320 °C, has...spontaneous magnetization 20% that of magnetite. Pyrrhotite is a secondary magnetic phase in ALH84001 (Kirschvink...includes single-domain* magnetite, singledomain pyrrhotite, and multidomain* hematite (e.g., Dunlop and |  | West, L., McGown, D.J., Onstott, T.C., Morris, R.V., Suchecki, P., Pratt, L.M. (2009) High Lake gossan deposit: An Arctic analogue for ancient Martian surficial processes?. Planetary and Space Science, 57 (11) 1302-1311 doi:10.1016/j.pss.2009.05.011 | Journal (article/letter/editorial) | | on gossan regolith (circled). Photo taken at the lower southern edge of the A–B zone, 10 m from High Lake...in the background. primarily of chalcopyrite, pyrrhotite, sphalerite and pyrite (Petch, 2005). Each gossan...from Groups A and B in that it is characterized by lower quartz abundance and by the only occurrence of gypsum...present at the other sites. One possibility is that lower sulfate concentrations combined with higher phosphate...reactions rates at High Lake as a result of the lower temperatures and the short summer months when the |  | | Journal (article/letter/editorial) | | variety of different sulfide phases (troilite, pyrrhotite, chalcopyrite, and pyrite) (Bunch and Reid, 1975;...to consist mostly of monosulfides (troilite, pyrrhotite, and chalcopyrite), although it has been shown...measurement makes it within 2σ of a value of zero. This lower precision reflects the small size of the acid volatile...Bonnes, U., Kankeleit, E., Gutlich, P., Ming, D.W., Renz, F., Wdowiak, T., Squyres, S.W., Arvidson, R.E. |  | | Journal (article/letter/editorial) | | is about two orders of magnitude lower than on Earth, reflecting a lower degree of differentiation of the...witnessed by the detection of sulfide minerals (e.g, pyrrhotite, troilite, and possibly pyrite) by Mössbauer...Mars is expected to be two orders of magnitude lower than on Earth, a higher sulfur concentration in...effective within 107–109 yrs. Because Mars' gravity is lower, the escape of elemental hydrogen is easier on Mars...Foh, J., Kankeleit, E., Gütlich, P., Ming, D.W., Renz, F., Wdowiak, T., Squyres, S.W., Arvidson, R.E. |  | | Journal (issue) | | Contents PAGE ARTICLES I The Geology of the Toco District, Trinidad, West Indies. Part I : Introduction...VOLUME 8 Illustrations The Geologyof the Toco District, Trinidad, West Indies Plate I Plate II Fig. Fig...Geological Formation of the Toco District • Rock Specimens of the Toco District • • . '' Generalised geological...location of the Toco district . page The stratigraphic succession of the Toco district . '' The Toco Bay...and Trinidad . • • Geological Map of the Toco District, Trinidad, W.I .. • Fig. 5 '' '' 402 4o3 |  | | Report (volume) | | Direccion Dissert____ Dissertation dist_______ district distrib_____. distribution Div______ division...report on the cobalt deposits in the Blackbird district, Lemhi County, Idaho/: Idaho Bur. Mines and Geology...Geology of the gold-bearing lodes of the Eocky Bar district, Elmore County, Idaho: Idaho Bur. Mines and Geology...Quicksilver and antimony deposits of the Stayton district, Calif.: U. S. Geol. Survey Bull. 931-Q, p. iv...1942. 2. Quicksilver deposits of the .Parkfield district, Calif.: U. S. Geol. Survey Bull. 936-F, p. iii |  | Fairén, Alberto G., Schulze-Makuch, Dirk, Rodríguez, Alexis P., Fink, Wolfgang, Davila, Alfonso F., Uceda, Esther R., Furfaro, Roberto, Amils, Ricardo, McKay, Christopher P. (2009) Evidence for Amazonian acidic liquid water on Mars—A reinterpretation of MER mission results. Planetary and Space Science, 57 (3) 276-287 doi:10.1016/j.pss.2008.11.008 | Journal (article/letter/editorial) | | of pyrite (Burns and Fisher, 1990, 1993) and pyrrhotite (the usual primary sulfide in basaltic rocks,...Bonnes, U., Kankeleit, E., Gütlich, P., Ming, D.W., Renz, F., Wdowiak, T., Squyres, S.W., Arvidson, R.E....Planetary and Space Science 57 (2009) 276–287 D.W., Renz, F., Wdowiak, T., Squyres, S.W., Arvidson, R.E....Foh, J., Bonnes, U., Kankeleit, E., Gütlich, P., Renz, F., Squyres, S.W., Arvidson, R.E., 2006. Mössbauer |  | | Journal (article/letter/editorial) | | sulfate faster at lower pH, but that abiotic oxidation of Fe(II) to Fe(III) is slower at lower pH. Oxidation...(1990) performed acid leaching experiments on pyrrhotite (Fe1–xS) and proposed an acid groundwater weathering...weathering scenario for Mars where pyrrhotite would be transformed to pyrite, then to goethite plus jarosite...transition for hematite occurs at higher energy (lower wavelength). The intensity or band strength is also...layers of adsorbed water. Additional features at lower energies (longer wavelengths) in Figure 2 have been |  | | Book | | Tassinari, MMML 9 3 Metallogeny of Culampajá Gold District, Argentina Avila, JC, and Lazarte, JE 4 Systematic... and Broekmans, MATM 453 55 Weathering of pyrrhotite to szomolnokite Nikiforov, AG, Onufrienok, VV...their high proportion of gibbsite [Al(OH)3] and lower clay minerals content. The cluster analysis applied...achieving higher extractable alumina grades and lower iron and reactive silica content. Figure 5 illustrates...levels of reactive silica are 5–7 wt% and there is lower Fe2O3 content (6.1 wt% in both groups). The heavy |  | | Journal (article/letter/editorial) | | associated with the microbiological oxidation of pyrrhotite and pyrite. In: Alpers, C.N., Blowes, D.W. (Eds...Bonnes, U., Kankeleit, E., Gütlich, P., Ming, D.W., Renz, F., Wdowiak, T., Squyres, S.W., Arvidson, R.E. |  | | Book (volume) | | Germany, the German Democratic Republic, Poland, Austria, Switzerland, Czechoslovakia, the Netherlands and...Precambrian—Lower Cambrian basic volcanism of the epimetamorphic series Metallogenesis related to Lower Cambrian... SEs phic series . 3 Metallogenesis related to Lower @rboniferous acid volcanism of the Hercynian epimetamorphic...deposits Metallogenesis associated with Upper Jurassic-Lower Cretaceous __ basic initial magmatism Metallogenesis...Dinaric metallogenic province The western Macedonian district Iron ore deposits . Manganese ore deposits Molybdenum |  | | Report (issue) | | of the Corbet Massive Sulphide Deposit, Noranda District, Quebec, Canada My-eknuckeycand Jo) Watkitisieasenae...multi-cyclic volcanic sequences, and many occur in the lower half of their host cycle. Most of the principal...nearby strata; rather the gold was derived from lower crustal environments, by development of high temperature...(Nunes and Thurston, tuff-breccia unit from the lower sequence at North Spirit Lake is 3013 Ma (Nunes...copper veins at Opemiska and in the Chibougamau district. Examples of the first three and last of these |  | Ackermann, S., Lazic, B., Armbruster, T., Doyle, S., Grevel, K.-D., Majzlan, J. (2009) Thermodynamic and crystallographic properties of kornelite [Fe2(SO4)3·~7.75H2O] and paracoquimbite [Fe2(SO4)3·9H2O]. American Mineralogist, 94 (11) 1620-1628 doi:10.2138/am.2009.3179 | Journal (article/letter/editorial) | | oxidation of common sulfide minerals (pyrite, pyrrhotite, and marcasite) that occur in ores, anoxic soils..., Kankeleit, E., McCoy, T., Mittlefehldt, D.W., Renz, F., Schmidt, M.E., Zubkov, B., Squyres, S.W., and |  | Dauphas, N., Roskosz, M., Alp, E.E., Golden, D.C., Sio, C.K., Tissot, F.L.H., Hu, M.Y., Zhao, J., Gao, L., Morris, R.V. (2012) A general moment NRIXS approach to the determination of equilibrium Fe isotopic fractionation factors: Application to goethite and jarosite. Geochimica et Cosmochimica Acta, 94. 254-275 doi:10.1016/j.gca.2012.06.013 | Journal (article/letter/editorial) | | creation. Conversely, the incident photon can have lower energy than what is required to excite 57Fe but...reached is therefore S(E) E3, which extends to lower and higher energies (middle vertical panels of Fig...Bonnes U., Kankeleit E., Gütlich P., Ming D. W., Renz F., Wdowiak T., Squyres S. W. and Arvidson R. E...Sound velocities of ferropericlase in the Earth’s lower mantle. Geophys. Res. Lett. 33, L22304. Lin J.-F..., Foh J., Bonnes U., Kankeleit E., Gütlich P., Renz F., Squyres S. W. and Arvidson R. E. (2006) Mössbauer |  | | Journal (issue) | | France, Bclgium, UK, Ciermany, Poland Hungary, Austria + Tchekia, Bulgaria t Rumania, foimcr Yugoslavia...Carbonrferous and Permian Periods (âges of the lower boundary in millions years). Early Triassic Induan...quartz conglomérâtes of deltaic envi¬ ronment. The "Lower” Pseudoschwagerina Formation of latcst Gzhelian...Carnizza and ihc “Lower" Pseudoschwâgerina Formations. More recently a position inside the ‘‘Lower” Pseiido-...wc adopt here a boundary place still wiihin ihe “Lower” Psendoschwagerina Formation inside the not yct |  | | Journal (issue) | | Wulfenite was discovered in a lead-mining area of Austria. While the name may conjure up images of a wolf... who wrote an essay on lead ores of Bleiberg, Austria. This paper contained the first documentation of...from the next to the upper north switchback on the lower end of the La Luz trail.” This seemed straightforward...morning, I drove to the La Luz trailhead in the lower part of the northern Sandia Mountains. A small day-use...the “next to the upper north switchback on the lower end of the La Luz Trail”, and with these three points |  | DREIBUS, Gerlind, HAUBOLD, Reinhard, HUISL, Wolfgang, SPETTEL, Bernhard (2008) The loss of K, REE, Th, and U from a Martian and a terrestrial basalt by acidic leaching. Meteoritics & Planetary Science, 43 (11) 1895-1908 doi:10.1111/j.1945-5100.2008.tb00650.x | Journal (article/letter/editorial) | | (2006). This concentration is only moderately lower than in Martian basalt and is due either to an acidic...1979]), 1.5% of titanium oxides, and 0.5% each of pyrrhotite, whitlockite, and shock melts (McCoy et al. 1992)...more strongly due to the law of mass action. At lower pH, however, the dissolving effect of the acid prevails...and U, see Fig. 1. The solubility of Th and U is lower than that of the REE. Dissolution is moderate at...melilite, followed by an attack on nepheline at lower pH values. The presence of sulfate and chloride |
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Renz quarry, Elsenreith, Kottes-Purk, Zwettl District, Lower Austria, Austria