 | | Journal (article/letter/editorial) | | Suite 205, Longmont, Colorado 80504, USA Regina N. TEMPEL Department of Geological Sciences and Engineering...mixed-flow reactor (e.g., Rimstidt et al. 1994, Lengke & Tempel 2001, 2002a, 2002b, 2003, 2005) or a simple, stirred...et al. 1994, Mamedov & Mikhailov 1997, Lengke & Tempel 2001, 2002a, 2002b, 2003, Floroiu 593_vol_47-3_art_08...(Lengke & Tempel 2001, 2002b) or the initial surface-area (Floroiu et al. 2004). Lengke & Tempel (2001,...reported by Mamedov & Mikhailov (1997) and Lengke & Tempel (2001), are 10% and 7–9%, respectively. The experimental |  | | Journal (article/letter/editorial) | | (Ehrlich, 1963; Lazaro et al., 1997; Lengke and Tempel, 2001, 2002) have investigated natural orpiment...N6A 5B7, Canada 859 860 M. F. Lengke and R. N. Tempel As2S2 ⫹ 14H2O 3 2H3AsO3 ⫹ 2HSO4⫺ ⫹ 20H ⫹ ⫹18e...reactor that is described in detail by Lengke and Tempel (2001). The Element Sb Hg Se Cr Zn Te Ni V Cu...4 5 4 4 5 5 5 4 5 862 M. F. Lengke and R. N. Tempel Fig. 1. Evolution of pH, DO, Eh, As, and S concentrations...and Vaughan, 1981). 864 M. F. Lengke and R. N. Tempel 3.2. The Effect of Variable Dissolved Oxygen Concentrations |  | | Journal (article/letter/editorial) | | dissolved oxygen (DO) were studied by Lengke and Tempel (2002, 2003). At circumneutral pH and 25 °C, orpiment...rights reserved. doi:10.1016/j.gca.2005.12.010 Tempel, 2002) and arsenic and sulfur were partially oxidized...dominant arsenic species in solution (Lengke and Tempel, 2003). Results from these two series of experiments...Rimstidt, 1994) and other arsenic sulfides (Lengke and Tempel, 2002, 2003) and thus the rate law with respect...1994), realgar (Lengke and Tempel, 2003), and orpiment (Lengke and Tempel, 2002) regressed against pH |  | | Journal (article/letter/editorial) | | addressed 2241 2242 M. F. Lengke and R. N. Tempel Table 1. Chemical analyses of As2S3 (am) (Alfa...lake environments where As2S3 (am) may be common (Tempel et al., 2000). The initial sulfate concentration...rapidly in oxygen- 2244 M. F. Lengke and R. N. Tempel Fig. 3. Schematic illustration of the mixed flow...As2S3 oxidation 2245 2246 M. F. Lengke and R. N. Tempel Fig. 4. Changes of DO, pH, Eh, As, and S as a...oxidation. With 2248 M. F. Lengke and R. N. Tempel Fig. 6. The effect of pH on the rate of As2S3 |  | | Journal (article/letter/editorial) | | As2S3 (Lengke and Tempel, 2001, 2002), realgar and amorphous AsS (Lengke and Tempel, 2003), galena (De...Asta et al., 2010b), galena, chalcopyrite and sphalerite (Abraitis et al., 2004) and mackinawite (Jeong...carbonate solution ([O2]0.36 ± 0.09 (Lengke and Tempel, 2002)). Combining the regressions in Figs. 3 and...and Tempel (2002) and for realgar dissolution (64.2 ± 9.8 kJ mol1) presented by Lengke and Tempel (2003)...Geophys. Res. 89(B6), 4009–4025. Lengke M. F. and Tempel R. N. (2001) Kinetic rates of amorphous As2S3 oxidation |  | | Journal (article/letter/editorial) | | dissolved oxygen serves as an oxidant) (Lengke and Tempel, 2002), involving the partial oxidation of structural...0–0.2), pyrite (FeS2) or chalcopyrite (CuFeS2), sphalerite (ZnS), molybdenite (MoS2), and others (e.g.,...acidic pH (Steudel, 1996). Metal sulfides such as sphalerite, galena, arsenopyrite, chalcopyrite, and hauerite...oxidation of sulfur by dissolved oxygen (Lengke and Tempel, 2002). It has been proposed that as in pyrite...of polythionates has been reported (Lengke and Tempel, 2002) as short, arguably due to their quick removal |  | | Journal (article/letter/editorial) | | that a further solid-state phase change from the sphalerite to the chalcopyrite structure occurs at 672°C...Diffraction Data, 1601 Park Lane, Swarthmore, PA 19081. Tempel, A. & Schumann, B. (1979). Kris, und Tech. 14,...391 Reference Hahn et al (1953) Goryonova (1965) Tempel and Schumann (1979) Bruhl et al. (1981) Grzeta-Plenkovic |  | Krüger, Harald, Stephan, Thomas, Engrand, Cécile, Briois, Christelle, Siljeström, Sandra, Merouane, Sihane, Baklouti, Donia, Fischer, Henning, Fray, Nicolas, Hornung, Klaus, Lehto, Harry, Orthous-Daunay, Francois-Régis, Rynö, Jouni, Schulz, Rita, Silén, Johan, Thirkell, Laurent, Trieloff, Mario, Hilchenbach, Martin (2015) COSIMA-Rosetta calibration for in situ characterization of 67P/Churyumov–Gerasimenko cometary inorganic compounds. Planetary and Space Science, 117. 35-44 doi:10.1016/j.pss.2015.05.005 | Journal (article/letter/editorial) | | Sud – UMR8609, Batiment 104, 91405 Orsay Campus, France d Laboratoire de Physique et Chimie de l'Environnement...(LPC2E), CNRS/ Université d’Orléans, 45071 Orléans, France e Department of Chemistry, Materials and Surfaces...Spatiale, CNRS/Université Paris Sud, Orsay Cedex, France g LISA, UMR CNRS 7583, Université Paris Est Créteil...Université Paris Diderot, Institut Pierre Simon Laplace, France h Universität der Bundeswehr LRT-7, Werner Heisenberg...Domaine Universitaire, 38400 St-Martin d’Hères, France k Finnish Meteorological Institute, Erik Palménin |  | Bodénan, F., Baranger, P., Piantone, P., Lassin, A., Azaroual, M., Gaucher, E., Braibant, G. (2004) Arsenic behaviour in gold-ore mill tailings, Massif Central, France: hydrogeochemical study and investigation of in situ redox signatures. Applied Geochemistry, 19 (11) 1785-1800 doi:10.1016/j.apgeochem.2004.03.012 | Journal (article/letter/editorial) | | behaviour in gold-ore mill tailings, Massif Central, France: hydrogeochemical study and investigation of in...C. Guillemin, BP 6009, 45060 Orleans Cedex 2, France Received 30 September 2003; accepted 28 March 2004...exploitation at the Cheni mine in the Massif Central, France, generated 525,000 tonnes of finely ground mill...et al., 1999; Tempel et al., 2000), Great Britain (Bowell and Bruce, 1995) and France (Roussel, 1998)...factor at a former Au mining site polluted by As in France. The authors present the findings of a hydrogeochemical |  | | Journal (article/letter/editorial) | | fine-grained assemblage of pyrrhotite, pentlandite, and sphalerite (Joswiak et al. 2012). Other distinctive markers...contents of comets is the Spitzer IR spectra of comet Tempel 1 debris liberated by the Deep Impact mission....Wild 2 samples. There is some overlap, but the Tempel 1 mineralogical interpretation is not consistent... and the high fayalite ⁄ forsterite ratio, put Tempel 1 in a unique category. Unfortunately, there is...without ground truth, an actual sample return from Tempel 1, or perhaps a landed experiment package that |  | | Report (chapter) | | of pit lakes with those of Natural lakes (After Tempel et al. 1999 with additional data) Natural lakes...concentrations can occur (Fig. 4), such as in the North Pit on the Getchell Mine in Nevada, where historically...several studies from 1995 to 1999 (Barta et al. 1997; Tempel et al. 1999; Shevenell & Pasternak 2000; Parshley...subhedral crystals of mackinawite (Fe,Ni,Co,Zn)9Ss, sphalerite (ZnS) and orpiment (As2S3) in kaolinite-quartz...kaolinite-quartz matrix, SCP hypolimnion sediment. Note sphalerite and orpiment are most probably detritus grains, |  | | Journal (article/letter/editorial) | | of thrust-stacked terranes: An example from the north Norwegian Caledonides—Mark G. Steltenpohl, Arild...A case study in the Chaillac Ba-F-Fe deposits (France)— Stanislas Sizaret, Yan Chen, Alain Chauvet, Eric...Kinetics and mechanisms of the leaching of low Fe sphalerite— C.G. Weisener, R.S.t.C. Smart, and A.R. Gerson...oxidation kinetics— Maggy F. Lengke and Regina N. Tempel Pyrite oxidation: A state-of-the-art assessment...Purton Arsenite adsorption on galena (PbS) and sphalerite (ZnS)— Benjamin C. Bostick, Scott Fendorf, and |  | | Journal (article/letter/editorial) | | Mineral occurrences in central East and North-East Greenland—new possibilities? M. Pedersen and H. Stendal...mainly base-metal mineralization occurring over a north–south extension of several hundred kilometres; (2)...sill intrusions. When the huge area of central and North-East Greenland is taken into consideration exploration...explored areas. The postCaledonian area of East and North-East Greenland is a crustal extension regime with...system. The geological provinces of central East and North-East Greenland host numerous mineral occurrences |  | | Journal (article/letter/editorial) | | distribution and/or data from onsite leaching experiments (Tempel et al., 2000; Morin and Hutt, 2001). To refine predictions...method at the Martha epithermal Au–Ag mine, Waihi, North Island, New Zealand (Fig. 1). Hydrothermal orebodies...most abundant sulfide in the deposit, although sphalerite, galena, chalcopyrite and tetrahedrite have also...Fig. 1. Geologic map of the Coromandel Peninsula, North Island, New Zealand, showing the location of the...local geologic literature, specifically galena, sphalerite, and chalcopyrite (Brathwaite and McKay, 1989; |  | | Journal (issue) | | JL \_ _J \ I )\{r\ A Wayne & Dona Leicht, 875 North Pacific Coast Highway. Laguna Beach. CA 92651 (949)...Associate Editors Pierre Bariand Sorbonne Paris, France Joel A. Bartsch Houston Museum of Nat. Sci. Houston...Schwab Orleans, France Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook...Arizona Lead Minerals Top-Gem Minerals 1201 B North Main Street Tucson, Arizona 85705 Tel: (520) 622-6633...consolidated 311 Figure 1. Gold mine locations in north-central Nevada and their relationship to four major |  | | Journal (issue) | | unwrapping, I bought all the dark lustrous dark brown sphalerite crystals in the batch. They ranged from about...near the river and so had cheap transportation north to the steel mills. In 1924 most of the larger producing...Kentucky, and to the Cave-in-Rock district to the north, a few miles northwest of the town by the same name... However with time, as mining commenced in the north end of this district (Minerva #1, mined 1943 to...impactor right into the path of the 4-mile wide comet Tempel 1. The collision is scheduled to take place on |  | | Journal (article/letter/editorial) | | xS]/pentlandite [(Fe,Ni)9S8] assemblage, and a pyrrhotite/sphalerite [(Fe,Zn)S] assemblage. Similarly, the CI-chondrite...pyrrhotite/pentlandite assemblages, as well as possible sphalerite inclusions within pyrrhotite grains. The cubanite...observations of the debris plume from comet 9P/Tempel created by the Deep Impact experiment suggest the...orientations are diagnostic of cubanite. 3.1.2. Track 10 sphalerite and pyrrhotite TEM analyses reveal that Stardust...assemblage also includes a lmsized grain of Fe-rich sphalerite [(Fe,Zn)S], which contains roughly equivalent |  | | Journal (issue) | | Expositions. Beurs. NANTES (44). Complexe Escall de Saint-Sébastien-sur-Loire. Beurs. CECINA (LI). Palazzetto...MONETEAU (89). Foyer communal. Beurs. SAINT-CHAMAS (13). Beurs. SAINT-SEBASTIEN-SUR-LOIRE (Nantes) (44)....(07). Salle Agora, av. Georges-Clémenceau. Beurs. SAINT-RICQUIER (80). Abbaye. Beurs (M-F). PERPIGNAN (66)...and Eagle mine, Eagle County, Colorado 330-334 Sphalerite from the Eagle mine, Eagle County, Colorado 336-346...de pétales de sidérite parsemés de bournonite à Saint-Pierre-de-Mésage, Isère 44-46 Histoire d'une découverte |  | | Journal (issue) | | ephemera. Mineral News Excalibur Mineral Corp. 1000 North Division Street Peekskill, NY 10566-1830 www.excaliburmineral...in 200 I, Deep Impact which crashed into comet Tempel 1 in 2005, and especially Stardust, which flew... Ownership: Excalibur MineralCorporation, 1000 North DivisionStreet, Peekskill, NY 10566-1830. Publisher:...please inquire. Excalibur Mineral Corporation 1000 North Division Street Peekskill, NY 10566-1830 Tel: 914-739-1134...wide in places and passes through the cities of North Augusta, Aiken, Columbia, Camden and Cheraw. Gwindels |  | | Report (issue) | | CREGU, B.P. 239, F-54506 Vandoeuvre lés Nancy, France michel.cuney@g2r.uhp-nancy.fr the pitchblende led...CUNEY 2008). About 25% of these reactors are in North America and 37% are in Europe (Fig. 1-2). Given...fuel cycle to extract the Pu, which is used by France, UK, Russia, India and Japan to reuse Pu in mixed...Republic), Shinkolobwe (DR Congo), Massif Central (France), Iberia (Spain/Portugal), Dhada (Congo), Schwartzwalder...Production and Demand, 1999 Red Book. OECD, Paris, France. OECD/NEA-IAEA (2006): Uranium 2005: Resources |  | | Journal (article/letter/editorial) | | chalcopyrite, Ga = galena, Py = pyrite, Sph = sphalerite. 0361-0128/98/000/000-00 $6.00 858 SCIENTIFIC...(Galloway, 1984; Person and Garven, 1992; Harrison and Tempel, 1993; Fig. 5). Third, during the active leaching...Copper Harbor Conglomerate in the rift basin to the north of White Pine is immense, considering that this...width of the mine area proper), and 40 km to the north-northwest (representing about one-half of the estimated...simple rectilinear flow from a highland to the north-northwest is assumed here, such that the circulation |  | | Journal (article/letter/editorial) | | evaluation of fine gold (Carlin-type) occurrences in north central Nevada, several of which have been previously...the Post, North Star, Deep Star, Blue Star, Genesis, Bobcat and Lantern ore bodies just north of the Carlin...determined by direct import could include barite and sphalerite. In some cases, for instance, the iron content... 6: 00-00. Zimmerman, C.J., Shepherd, T.L. and Tempel T., 1989. Geology and process mineralogy of the |  | Asta, Maria P., Cama, Jordi, Ayora, Carlos, Acero, Patricia, de Giudici, Giovanni (2010) Arsenopyrite dissolution rates in O2-bearing solutions. Chemical Geology, 273 (3) 272-285 doi:10.1016/j.chemgeo.2010.03.002 | Journal (article/letter/editorial) | | 2002), chalcopyrite (Acero et al., 2007a, 2009), sphalerite (Acero et al., 2007b), galena (Acero et al.,...173–182. Acero, P., Cama, J., Ayora, C., 2007b. Sphalerite dissolution kinetics in acidic environment. Appl...waters within a tailings impoundment (Carnoulès, France). Aquat. Geochem. 9, 273–290. Casiot, C., Lebrun...1687–1703. Lengke, M.F., Sanpawanitchakit, C., Tempel, R.N., 2009. The oxidation and dissolution of arsenic-bearing...M., 1995. Kinetic anomalies of dissolution of sphalerite in ferric sulphate-solution. Hydrometallurgy |  | | Journal (article/letter/editorial) | | to low: chalcopyrite > arsenopyrite > pyrite > sphalerite > stibnite > galena, which depends on grain size...arsenopyrite (FeAsS, Ehrenfriedersdorf, Germany), sphalerite (ZnS, Aguilar mine, Argentinia), galena (PbS...concentrations in the non-ferrous sulphides. Sphalerite used in this study is rich in iron (7.62 wt%...solution (pH = 1.97; Eh = 505 mV) in contrast to sphalerite, which generated the most weakly acid eluate...Chalcopyrite (CuFeS2 ) 100 2 Galena (PbS) 100 Sphalerite (ZnS) Galena (PbS) Quartz (SiO2 ) 91 8 1 Minerals |  | | Book | | eastern and central Mediterranean to Iberia, southern France, Britain, and Ireland, the Eastern Alps and central...5. France and the western Alps Early copper mines in the Languedoc Other mines in southern France The...3. The mineralization of the Great Orme mine, north Wales 9 Fig. 1.4. Base metal metallogeny and...El Aramo, El Milagro, and La Profunda mines in north-west Spain 102 Fig. 5.1. Prehistoric copper mines...mines and copper ore deposits in south-east France 106 Fig. 5.2. Distribution of metal objects of |
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