 | | Journal (article/letter/editorial) | | BISHOP1,2,* AND ENVER MURAD3 1 SETI Institute, 515 North Whisman Road, Mountain View, California 94043, U...Geologisches Landesamt, D-95603 Marktredwitz, Germany 2 ABSTRACT The visible and infrared spectral...further reaction, but goethite could convert to hematite over time. The alunite group has the formula AM3(SO4)2(OH)6...Fe, producing a symmetry of C3v instead of Td (Adler and Kerr 1965). The ionic radii for octahedrally...alunite-group minerals near mining sites and to map acidic mine waste (Clark et al. 2003; King et al. 1995; Kruse |  | | Journal (article/letter/editorial) | | solution calorimetry. Using literature data for hematite, corundum, and Fe/Al sulfates, the standard entropy...through a process of dehydroxylation (Kulp and Adler, 1950; Kubisz, 1971; Arno, 1984; Drouet and Navrotsky...geological and environmental issues such as acid mine drainage and weathering of sulfide ore deposits...(a) and after heat treatment at 1000°C (b). Hâ hematite; KâK2SO4 (arcanite); *â unidentified. In this...in air shows the presence of two main phases, hematite Fe2O3 (ICDD-PDF 60-8558) and arcanite K2SO4 (ICDD-PDF |  | | Journal (article/letter/editorial) | | fronts in the United Nuclear Corporation Church Rock mine and at the Morton Ranch property in the Powder...Falkowski,S. K., 1980, Geologyand ore depositsof JohnnyM mine, Ambrosia Lake district: New Mexico Bur. Mines...relate to redistribution,by roll- front processes (Adler and Sharp, 1967), of earlierformedoresby oxidizingPleistocene... 1982, Geologyand ore deposits of the section25 mine, Ambrosia Lake district, New Mexico: U. S. Geol...Morrison Formation: New Mexico Bur. Mines Mineral Adler, H. H., and Sharp,B. J., 1967, Uranium ore rolls--Occurrence |  | | Journal (article/letter/editorial) | | sulfidized; titanomagnetite (partly replaced by hematite) and martite constitute nearly half of the heavy...the iron disulfides to ferric oxide minerals (Adler, 1970, 1973; Granger and Warren, 1969,1974;Reynolds...migrationof the redox interfacedownthe paleodip(Adler, 1974). The recyclingprocessmay have led to ore-gradeuranium...morphologicallyand geochemicallysimilar (e.g., Fischer,1970; Adler, 1974; Granger and Warren, 1974; Shawe and Granger...associated with roll- but containiron disulfides(Adler, 1974). In these type depositsin Tertiary sandstones |  | | Journal (article/letter/editorial) | | authors wish to acknowledgethe assistanceof H. Adler, H. Glass, and P. K. Hamilton in the experimental...deep sea calcite taken from an Eocene core in the North Atlantic shows a lower peak temperature as expected...after the first exothermic peak is a mixture of hematite (a-Fe2O3)and maghemite (7-FezO). The proportion...a-FezOa.The material at 1000" C is essentially hematite. X-ray patterns of samples, which were heated...Dauphine, France 4-10 Neudorf, Germany Traversella (1), Italy +ll 4-12 Germany THERMAL STUDV OF Ca-Mg-Fe |  | | Journal (article/letter/editorial) | | altered, and vein samples, Honey Bee No. 1, lower mine, Kane Creek 7. Mica-polymorph spacings, Kane Creek...of foliated biotite-rich layer, Honey Bee No. 1 mine, lower adit 1510 1510 1511 1512 1514 1514 INTRODUCTION...measurements on uraninites from vein, Honey Bee No. 1 mine, Kane Creek, Utah 1523 16. Isotopic Pb/U dates on...unbleached Cutler sandstones from Kane Creek and from north of Moab show similar mineral assemblages, namely:...section. Calcite, dolomite, chalcedonic quartz, and hematite are cementing materials, while hydromica (illite) |  | | Journal (article/letter/editorial) | | front (brownish zone, rich in goethite) and a hematite-rich red zone marking the front progression. The...oxides (pitchblende), sulphides, iron minerals (hematite and goethite) and alumino-phosphate-sulphate (APS)...host rocks (Fischer 1950; Shawe and Granger 1965; Adler 1974; Harshman 1974 among others), or in granite-hosted...or during the visit of the 02 North Extension site in the Eagle Point mine. The purpose of this study was...Athabasca Basin, 3 km east of the former Key Lake U mine (Fig. 2a). The preserved sedimentary Athabasca Group |  | | Journal (article/letter/editorial) | | entrained inclusions pink finely dispersed hematite in sylvinite zone minor Mn-admixture needles...sylvite particles 150-180 yellow minor traces of hematite minor amounts of KC1 light bitumina sulfur as...brownish organic black air bubbles or fluid hematite nm matter blue lattice defects/colour centers... 19621, by an admixture of large platelets of hematite (Gawel, 1947; Richter, 1962, 19641, or by an ample...bromide (Blank and Urbach, 1927). Finely dispersed hematite needles produce a red or bright pink rock salt |  | | Report (volume) | | ore from Club House mine; B, Polished surface of ore from Woodpecker Hollow mine _ 18 4. A, Thin section...section of ore from Woodpecker Hollow mine; B, Thin section of ore from Pittman mine____ ___ _ 18 5. Polished...Polished surface.of ore from W. A. Chinn mine, Cave Creek 19 6. A, Spherical Girvanellas, composed of manganiferous...Clair limestone, Cason mine; B, Fragment of red shale from Cason shale, Cason mine, showing flattened Girvanella...Girvanella "buttons" 58 7. Geologic map of Cason mine ____ ___ _____________ 58 8. Pinnacles of Fernvale |  | | Journal (article/letter/editorial) | | Therefore, by acquiringairborne in the literature(Adler, 1964,1970;Baileyand Childers, 1977; Granger and...r'l :./"K"IVE" BASIN AREA WYOMIN DISTRICT NORTH PLATTE CONVERSE 41øN IIløW 41øN -⢠RIV⢠...McGee Corporation Section28-$$ mine is just outsidethe studyarea to the north, but the host sandstonewas...lignite ing,in Converse County,approximately $6 km north- (Sharpand Gibbons,1964).The rocksare only semiwestof...aircraftmotion, samples thanin the unalteredsamples. Hematite occursonly rarely and in smallamounts or introduced)was |  | | Report (issue) | | grains of the rhombohedral ilmenite (FeT10 3 )--hematite (Fe 2 0 3 ) solid solution series (titanohematites)...of sedimentary uranium deposits (Shawe, 1976 ; Adler, 1973 ; Adams and others, 1974 ; King and Austin...(titanomagnetites) and the rhombohedral ilmenite (FeTi0 3 )-hematite (Fe 2 0 3 ) series (fig . 1) . Members of the...are called hemoilmenites, those closer to the hematite end ilmenohematites, and those in between titanohematites...uranium-bearing sandstones (King and Austin, 1966 ; Adler, 1973 ; Harshman, 1972) . "Ilmenite" is discussed |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim............................................ 2 Germany An historical perspective on silver mining in G...Islet Famous mineral localities: the Silver Islet mine, O n ta rio ............... 49 by W. E. Wilson ...photo Š SILVER crystals, 3.3 by 4.5 cm, from the mine, Kongsberg, Norway. (See the this issue.) Keith...Baden-Badener-Strasse 3 D-6900 Heidelberg 1 West Germany # I ----------- â ------------------ Hermann |  | | Book (edition) | | In other countries, however, and especially in Germany and America, the theory of ore deposits has received...Statistics ZINC . GERMAN EMPIRE P RaINE PROVINCES, WESTPHALIA, Tat Buack THE PALATINATE Forest THE Harz...(AND NORTHERN . E : TERRITORY) ; CONTENTS NORTH THE AMERICA UNITED STATES GOLD AND SInvrer QUICKSILVER...Penney : 11.âProfile section across âLast Chanceâ. Mine, Utah 12.âSection of Argentiferous Sandstone bed...Knockmahon, tee 37.âFragment of lode, Bergmannstrost Mine, Clausthal 38.ââ Pebble,â HuelgoĂŠt. 39.âSection |  | Ventruti, Gennaro, Scordari, Fernando, Ventura, Giancarlo Della, Bellatreccia, Fabio, Gualtieri, Alessandro F., Lausi, Andrea (2013) The thermal stability of sideronatrite and its decomposition products in the system Na2OâFe2O3âSO2âH2O. Physics and Chemistry of Minerals, 40 (8) 659-670 doi:10.1007/s00269-013-0601-9 | Journal (article/letter/editorial) | | temperatures, the Na-sulfates decomposes and only hematite survives in the final product. The understanding...Sideronatrite occurs in environments such as acid mine drainage and in peculiar sedimentary products like...2006; Aubrey et al. 2006; Cloutis et al. 2006); hematite concretions (ââblueberriesââ) are in addition...Phys Chem Minerals (2013) 40:659â670 show that hematite and thenardite grow at the expense of Na3Fe(SO4)3...is present in the pattern. Welldefined peaks of hematite and thenardite (indicated by the labels) are also |  | Ventruti, G., Della Ventura, G., Orlando, R., Scordari, F. (2015) Structure refinement, hydrogen-bond system and vibrational spectroscopy of hohmannite, Fe3+2[O(SO4)2]¡8H2O. Mineralogical Magazine, 79 (1) 11-24 doi:10.1180/minmag.2015.079.1.02 | Journal (article/letter/editorial) | | AMD (acid mine drainage) and result in the outďŹow of acidic water from metal- or coal-mine wastes, thus...for similar materials (e.g. Omori and Kerr, 1963; Adler and Kerr, 1965; Bishop et al., 2004; Cloutis et...antisymmetric bending n4(F2) at 611 cm 1 (e.g. Adler and Kerr, 1965; Ross, 1974). In accordance with...SO4 polyhedra away from the Td site conďŹguration (Adler and Kerr, 1965; Ross, 1974; Della Ventura et al...(SO24 ) group is non degenerate (Table 8, see also Adler and Kerr, 1965), the presence of two components |  | Menezes Filho, Luiz A. D., Chaves, Mario L. S. C., Chukanov, Nikita V., Atencio, Daniel, Scholz, Ricardo, Pekov, Igor, da Costa, Geraldo Magela, Morrison, Shaunna M., Andrade, Marcelo B., Freitas, Erico T. F., Downs, Robert T., Belakovskiy, Dmitriy I. (2018) Parisite-(La), ideally CaLa2(CO3)3F2, a new mineral from Novo Horizonte, Bahia, Brazil. Mineralogical Magazine, 82 (1) 133-144 doi:10.1180/minmag.2017.081.028 | Journal (article/letter/editorial) | | the Mula mine, Tapera village, Novo Horizonte county, Bahia, Brazil, associated with hematite, rutile...parisite-(La), new mineral, rare-earth fluorocarbonate, Mula mine, Novo Horizonte, Bahia, Brazil. Introduction *E-mail:...hydrothermal vein crosscutting metarhyolites, at the Mula mine, Tapera village, Novo Horizonte, State of Bahia...type locality is also the Mula mine: Menezes Filho et al., 2015), hematite, rutile, fluocerite-(Ce), brockite...rhabdophane-(La) and bastnäsite-(La). The pit of the Mula mine is composed of brecciated quartz veins cemented |  | Desborough, George A., Smith, Kathleen S., Lowers, Heather A., Swayze, Gregg A., Hammarstrom, Jane M., Diehl, Sharon F., Leinz, Reinhard W., Driscoll, Rhonda L. (2010) Mineralogical and chemical characteristics of some natural jarosites. Geochimica et Cosmochimica Acta, 74 (3) 1041-1056 doi:10.1016/j.gca.2009.11.006 | Journal (article/letter/editorial) | | study evolved from our work with hard-rock metal-mine-waste characterization in which our chemical and...monovalent cation site of natural jarosite minerals from mine-waste material. Our approach to address these questions...1999). Field and laboratory studies of 130 metal-mine-waste piles in the Rocky Mountain region by the...jarosites formed in supergene environments (such as mine-waste piles). In addition to mining wastes, there...and the Pioche district in Nevada, and the Apex mine in Utah studied by Rye and Alpers (1997) revealed |  | | Report (issue) | | Micromineralogy of Galena Ores, Burgin Mine East Tintic District Utah GEOLOGICAL SURVEY PROFESSIONAL...614-A Micromineralogy of Galena Ores, Burgin Mine East Tintic District Utah By ARTHUR S. RADTKE, CHARLES..._____________-_--_--_. Silver sulfide-___________________ Hematite- _ _______-___-_--__--_. Calcite and anglesite(...Burgin mine._________________ 2. Chemical and spectrographic analyses of galena ores, Burgin mine. 3-7...GENERAL GEOLOGY MICROMINERALOGY OF GALENA ORES, BURGIN MINE, EAST TINTIC DISTRICT, UTAH By ARTHUR S. KADTKE |  | | Journal (article/letter/editorial) | | obtained from beneath the Upper Freeport coal in a mine at Creighton, Pennsylvania. The glauconitic samplesare...with the DTA curves of jarosite given by Kulp and Adler (1es0). A fraction which contained a large amount...jarosite. Jarosite (U.S.N.M.-R6299) from Meadow Valley Mine, Pioche,Nevada, and karphosiderite(U.S.N.NI.-R6266)...Tenosrros Endothermic Peaks Jarosite (Kulp and Adler-1950) Upper Freeport underclay Conemaugh underclay...takes on a red color and gives the pattern of hematite. Most of the samples in Table 4 show no definite |  | | Journal (article/letter/editorial) | | GEOLOGICAL MINE, OBSERVATIONS HUGHESVILLE, KIRIL OF THE BLOCK P MONTANA. SPIROFF. ABSTRACT. ... Block P Mine, Hughesville, Montana, is located in a syenite porphyry plug--one of the many injectionsthat...Little Belt Mountains. fractures are found within the mine. Shear and tensional These fractures have been...started, and the mine was fully equipped. To date the total production of the BlockP Mine is greaterthan...THE BLOCK P MINE. 555 all the otherminesin the district,and in I929 the Block P Mine wasthe largestleadproducerin |  | | Book | | Gravity Fixpoint Field in the Federal Republic of Germany E. Czuczor, P. Lux, R. StrauĂ . . . . . . . . ...which extend into western neighbor countries of Germany. In addition, we feit the necessity to use English...Correnstr. 24, 4400 Munster, Federal Republic of Germany Key Words Lithofacies Biofacies Paleoecology Paleogeography...between Gummersbach in the South, LĂźdenscheid in the North, WipperfĂźrth in the West and Herscheid in the East...Legende ' i?ZZll IJJZJ E i tel- Stur ⢠Ems. Stute Siegen¡ u. [I] Unterkarbon MaĂs t a b 1 ' 200000 |  | | Book | | Gravity Fixpoint Field in the Federal Republic of Germany E. Czuczor, P. Lux, R. StrauĂ . . . . . . . . ...which extend into western neighbor countries of Germany. In addition, we feit the necessity to use English...Correnstr. 24, 4400 Munster, Federal Republic of Germany Key Words Lithofacies Biofacies Paleoecology Paleogeography...between Gummersbach in the South, LĂźdenscheid in the North, WipperfĂźrth in the West and Herscheid in the East...Legende ' i?ZZll IJJZJ E i tel- Stur ⢠Ems. Stute Siegen¡ u. [I] Unterkarbon MaĂs t a b 1 ' 200000 |  | | Journal (article/letter/editorial) | | sulfate soils formed from sulfide sediments, acid mine drainage, and weathering of sulfide ore deposits...1993) showing a boundary between jarosite and hematite (âŁâFe2O3) around pH ⍽ 2 to 4 (jarosite being stable...âŹH°f ⏠⍺3715.1 kJ.mol⍺1 from data on alunite, hematite, and corundum reported by Helgeson et al. (1978)...microprobe. Orthoclase KAlSi3O8, albite NaAlSi3O8, hematite âŁâFe2O3, and calcium sulfate CaSO4 were chosen...peaks, in agreement with earlier results (Kulp and Adler, 1950; AlÄąĚas and Girella, 1968; Kubisz, 1971; Kashkay |  | Giacobbe, Carlotta, Gualtieri, Alessandro, Francesco Quartieri, Simona, Rinaudo, Caterina, Allegrina, Mario, Andreozzi, Giovanni, Battista, (2010) Spectroscopic study of the product of thermal transformation of chrysotile-asbestos containing materials (ACM) European Journal of Mineralogy, 22 (4) 535-546 doi:10.1127/0935-1221/2010/0022-2038 | Journal (article/letter/editorial) | | olivine together with several other phases such as hematite and (Ca, Mg, Al)-silicates. The MoĚssbauer absorption...phases are now oxidized magnetite/maghemite and hematite, and the paramagnetic contribution is quite unaltered...building insulating materials. In Italy, the Balangero mine located in the The term ââasbestosââ embraces a...of the Alps, about 30 km north-west of Turin, was the largest asbestos mine in Europe. Opencast mining...2NaFe3ĂžSi2O6 (aegirine) Ăž MgSiO3 (enstatite) Ăž Fe2O3 (hematite) Ăž 3SiO2 (cristobalite) Ăž H2O (Gualtieri et al |  | | Journal (article/letter/editorial) | | of the Rabbit Lake thrust fault. a part of the north-south-trending TabbernorLake system(Fig. 1), the...late from the upthrownblockin the vicinity of the mine. The orebodyhas the shapeof a laterally flattened...secondmajor fault phase in post-Athabasca In the north it is cut off at depth by the gently (Grenville)...alteration, and remobilization,separatedby interstrikes north-northeastsubparallelto compositionalmittent brecciation...T. L L SIBBALD FEET 400 METERS100 12N â˘8N North Limb â˘0+00 â˘75 â˘65 South Limb 14S Ă 8S (a) |
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