 | | Journal (article/letter/editorial) | | 64-70 Ni,Co-mineralizations in the Valberg quarry, Kragerpr, South Norway: a progress report Fred Steinar...H8kon Austrheim Introduction The Valberg quarry in Kragerer, Telemark, has been known for decades as a...detailed geological mapping within and around the quarry on the instructions of Franzefoss Bruk NS. However...history of the Valberg quarry A test production of 200 tons of hyperite from Valberg was shipped to England...international market. Dahll maintained the company Valberg Macadam A/S until 1948, when the ownership was |  | | Journal (article/letter/editorial) | | Accepted Manuscript The Bamble Sector, south Norway: A review Timo G. Nijland , Daniel E. Harlov , Tom...Harlov, D.E., Andersen, T., The Bamble Sector, south Norway: A review, Geoscience Frontiers (2014), doi: 10... ACCEPTED MANUSCRIPT The Bamble Sector, south Norway: A review Timo G. Nijland a,*, Daniel E. Harlov...University of Oslo, PO Box 1047, Blindern, 0316 Oslo, Norway * SC Corresponding author. M AN U E-mail:...Abstract The Proterozoic Bamble Sector, South Norway, is one of the world's classic amphibolite- to |  | | Journal (volume) | | Gunnar Raade Blue, octahedral-substituted beryl from Norway: A case study of beryl and associated phenakite...sphaerobertrandite from the Larvik Plutonic Complex, Norway 45 Knut Edvard Larsen og Bjørn Kåre Stensvold...Dan Topa Eclarite from Bleka, Svartdal, Telemark county, Norway 65 Alf Olav Larsen (red.) Bleka grube...kjente navn som Peder Tangen og Carl Thv. Johne fra Kragerø, Olaus G Thortveit og Olav Landsverk fra Iveland...R. Tveito. Sagnet I Setesdal og øvre deler av Telemark er det en rekke gruver og skjerp fra den tid skjerpefeberen |  | Walker, S. R., Jamieson, H. E., Lanzirotti, A., Andrade, C. F., Hall, G. E.M. (2005) THE SPECIATION OF ARSENIC IN IRON OXIDES IN MINE WASTES FROM THE GIANT GOLD MINE, N.W.T.: APPLICATION OF SYNCHROTRON MICRO-XRD AND MICRO-XANES AT THE GRAIN SCALE. The Canadian Mineralogist, 43 (4) 1205-1224 doi:10.2113/gscanmin.43.4.1205 | Journal (article/letter/editorial) | | nanocrystalline grains are a mixture of maghemite and hematite. All roaster iron oxides, including those present...phase. Keywords: arsenic speciation, maghemite, hematite, micro-XANES, micro-XRD, gold ore, ore roasting...products of reaction produced during milling [e.g., hematite (-Fe2O3) and maghemite (Fe2O3) derived from...bio-available than arsenic in solution (Ruby et al. 1999, Valberg et al. 1997). However, in the solid state, the...arsenopyrite into porous iron oxides including hematite, maghemite or magnetite, to make the ore amenable |  | | Thesis/Dissertation | | Tourmaline of the Kragerø pegmatites The source of boron and its implication for the melt formation of...UNIVERSITY OF OSLO June 2021 Tourmaline of the Kragerø pegmatites The source of boron and its implication...La Cruz © Erika De La Cruz Tourmaline of the Kragerø pegmatites. The source of boron and its implication...http://www.duo.uio.no/ Abstract In the Kragerø area in South Norway, tourmaline is commonly found in Sveconorwegian...pegmatites. The local tourmaline enrichment in the Kragerø pegmatites, and consequently, the origin of Boron |  | | Journal (issue) | | one half of its volume, quarter-inch in diameter hematite-red spherulites. W h e n cut on cabochon it produces...radiating crystals of feldspar, stained red by hematite. Secondary chalcedony appears to encase each spherulite...Psilomelane has been used as a substitute for hematite, a n d it can be detected by the fact that a drop...Waterloo, Liverpool Gunnar, Baugerod, Porsgrunn, Norway Hamnett, Norman, Radcliffe, Lanes. Johnson, Cyril...Voorburg, Holland Borrmann, Bjorn, Fjullhamar, Norway Bowers, Norman, Heywood, Lanes. Brown, Janet Irene |  | | Journal (issue) | | c a r i Quarry kHARTFORD Bristol Mine o * ^ i ^ •t K -x \ Portland Strickland Quarry • W ATERBURY...x 5? Gillette H addam V O n a rrv Branchville Quarry * BRIDGEVILLE Figure 1. Location map. Figure...boracite, danburite, dolomite, dravite, ericaite, hematite, *magnesioriebeckite (“crocidolite”), magnesite...goethite (iridescent), goslarite, halotrichite, hematite, jamesonite, jarosite, matildite, melanterite...Potosl, Frias Province, Potosf Dept. Barite, hematite, hydroxylapatite, carbonate-hydroxylapatite, ilmenorutile |  | | Journal (issue) | | able to supply with certainty a name of a mine, quarry, prospect, or even outcrop, which was not given...Chalcocite Coronadite Covellite Erythrite Goethite Hematite Hemimorphite Hydrohetaerolite Linarite Malachite...(CuFeS2) was oxidized to goethite (FeO(OH)) or hematite (Fe20 3). These iron minerals remained at the...ARCTIC CIRCLE MINERALS Pilvaegen 6, SE-660 50 VALBERG, Sweden Phone/Fax + 46 (0) 54 54 73 07 Aesthetic...matrix. Although not truly new, the beautiful hematite of the Cavradi, Switzerland, region is hard to |  | | Report (volume) | | great detail, as have several titania polymorphs, hematite, and magnetite (which are often used as negative...commonly associated minerals. Crystal structures. Hematite (a-Fe2C>3) and ilmenite. Magnetite and iilvospinel...(magnetite-bearing rock).366 Iron ore miners (hematite-bearing rock).369 European iron ore miners.370...a metamorphic rock consisting of calcitegarnet-hematite-epidote. From Ichinokoski, Toyama Prefecture,...iron-rich minerals (e.g., magnetite, Fe304, and hematite, Fe203) and quartz throughout the thick iron-formation |  | | Report (volume) | | as halloysite, and oxides (e.g., magnetite and hematite formed by subsolidus alteration and weathering...randomly intermixed, and few-nanometerdiameter hematite (α-Fe2O3) particles. The distinction between 2-...cases, nanoparticles of ferrihydrite, goethite, hematite, and feroxyhite (see above) aggregate to form...transformation from nanocrystalline maghemite (γ-Fe2O3) to hematite (α-Fe2O3) at 385°C obeyed the simple form of the...Particle size effect on the reaction goethite = hematite + water. Am J Sci 271:147-156 Lee WH, Shen PY |  | | Journal (issue) | | bar is 0.2 mm. Tyro oolite bed (Stanton cycle) in quarry northeast of Tyro, Kansas. CARBONATE DIAGENESIS...through this Stoner Limestone (Stanton cycle) in quarry southeast of calcarenite horizon prior to cementation...the transgressive or offshore calton cycle) in quarry northwest of Vilas. Kansas. CARBONATE D/AGENESIS...mm. Middle Stoner Limestone (Stanton cycle), in quarry south of Roper, Kansas. FIG. 16. -Regressive abraded-grain...mm. Upper Winterset Limestone (Dennis cycle) in quarry at Crescent, Iowa. cyclothems. Red algal grains |  | | Book | | Laveyre in France. Hematite Breccia Complex Deposits These deposits occur in hematite-rich breccias, where...for example, Olympic Dam in Australia (IAEA’s hematite breccia complex), here classified as “other” because...Hesterberg, T.W., W.B. Bunn III, G.R. Chase, P.A. Valberg, T.J. Slavin, C.A. Lapin, and G.A. Hart, 2006....excluded from employment. Hematite. A common iron mineral: Fe2O3. Hematite occurs in splendent, metallic-looking |  | | Book | | onto the slurry to remove magnetic minerals (eg, hematite, magnetite, biotite) and bleached. In addition...investigation (with Ti assumed as anatase, or Fe as hematite, eg, Schroeder and Shiflet, 2000). Finally, the...iron oxides up to 12.8 mass% of Fe2O3 (such as hematite or maghemite) and partly to isomorphous substitution...for Applied Mineralogy (ICAM), 2011, Trondheim, Norway, pp. 351–359. Kempe, S., Bauer, I., Henschel, H...which is associated with the nanoparticles of hematite and magnetite, formed on the surface, respectively |
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