 | | Journal (issue) | | DESIGN Julie Ballard 47 PETITJEANITE FROM CAR.ROCK MINE Mike Rumsey • Trevor Bridges • John Spratt The... 50 PREISINGERITE & ROOSEVELTITE FROM CARROCK MINE Mike Rumsey 53 NEW CLIFFE HILL QUARRY Trevor Bridges...andis reproduced withtheirpermission. UK Journal of Mine~ & Mincr.,b No. 28 -4- Although he appreciated...that he had ascertained it to consist of Oxyde of Iron and Oxyde of Arsenic, but that he had not entered...possibly be proved to be an earthy Arseniate of Iron: it was found in a mass of rock which appears on |  | | Journal (article/letter/editorial) | | Arts – Supsi, Campus Trevano, 6952 Canobbio, Switzerland 3 Civic Museum of Natural History, Lungadige...INTRODUCTION Red and yellow earths are natural iron oxides (mostly hematite, α-Fe2O3) and oxy-hydroxides...“ochre” is generally accepted to designate natural iron-based materials even if they include a large variety...indicating natural materials containing prevalently iron oxides and/or hydroxides associated with other compounds...layered sequence, end of the main corridor of the mine Yellow earth with carbonate inclusions Friable brown |  | | Journal (article/letter/editorial) | | recognized including massive dark siderite and ankerite, siderite with zebra texture, and siderite veins...Lausanne, Building Anthropole, 1015 Lausanne, Switzerland 245°C) then for siderite vein (around 185°C)...the hydrothermal–metasomatic origin of the Ljubija iron deposits. Keywords Siderite . Hydrothermal–metasomatic...Industrial production commenced in 1916. Besides iron, several other commodities such as zinc, lead, barite...about 200 km2 (Fig. 2a). The potential reserves of iron ore have been estimated to 500 million metric tons |  | | Journal (article/letter/editorial) | | Fe-free dolomite and a ferroan dolomite also called ankerite, can by spotted. Supergene alteration has lead...accentuates the stepwise concentration of bivalent iron in the ankerite crystals. Large crystals of calcite grew...green and red marly clay as it was mined at Freihung mine. Under the petrographic microscope and scanning...consists of quartz and subordinate amounts of ankerite, siderite, calcite and baryte. Baryte contains...movenment min (90°) max (45°) min (70°) Freihung Mine < 85 Ma unconformity Pbore bed Vertical movenment |  | Nutte, T. H. C., Oberth�r, T., Saager, R., Tomschi, H. -P. (1988) The geology, mineralogy and geochemistry of the broomstock gold deposit, Kwekwe Greenstone Belt, Zimbabwe; Some implications for gold mineralization in jaspilite iron formations. Mineralogy and Petrology, 39 (2) 145-162 doi:10.1007/bf01184820 | Journal (article/letter/editorial) | | Implications for Gold Mineralization in Jaspilite Iron Formations T. H. C. Nutt 1, T. Oberthfir 2, R. Saager...1988; accepted April 22, 1988 Summary At Broomstock Mine, three types of gold mineralization have been identified:...through chemical reactions of the fluids with the iron-rich jaspilites. Gold and accompanying elements...jaspitischen Eisenformationen. In der Broomstock Mine treten drei Typen yon Goldmineralisationen auf:...vein-type deposits. Gold mineralization in banded iron formation (BIF) yielded 12.8% of Zimbabwe's gold |  | | Journal (article/letter/editorial) | | mineralogical and geochemical aspects of Archean Banded Iron-Formation-hosted gold deposits: Some examples from...of Technology, ETH Zentrum, CH-8092 Ziirich, Switzerland 3 Shashe Mines (Pty) Ltd., P.O. Box 919, Francistown...Archean gold deposits hosted by Algoma-type Banded Iron-Formations (BIF) in southern Africa. Genetic aspects...always associated with increased contents of the iron-sulfides pyrite, arsenopyrite and pyrrhotite. The...and epigenetic hydrothermal emplacement. Banded Iron-Formations (BIFs) are chemical sedimentary rocks |  | Gerson, Andrea R., Weber, Paul, Smart, Roger St. C., Levay, George, Hutton-Ashkenny, Mike, Green, Rosalind (2021) The Application of Thermal Decomposition for Determination of Carbonate Acid-Neutralising Capacity for Improved Acid Mine Drainage Prediction. Minerals, 11 (11) 1181 doi:10.3390/min11111181 | Journal (article/letter/editorial) | | Carbonate Acid-Neutralising Capacity for Improved Acid Mine Drainage Prediction Andrea R. Gerson 1, *, Paul...Carbonate Acid-Neutralising Capacity for Improved Acid Mine Drainage Prediction. Minerals 2021, 11, 1181. https://doi...Australia; roger@bluemineralsconsultancy.com.au Mine Waste Management, Christchurch 8440, New Zealand;...to waste rock cells, etc. Keywords: acid mine drainage; mine waste rock characterisation; acid neutralisation...© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed |  | | Journal (article/letter/editorial) | | Oxidized Tailings within the Former Eagle/Telbel Mine Site Abdellatif Elghali *, Mostafa Benzaazoua *...Abstract: At some orphaned and abandoned mine sites, acid mine drainage can represent a complex challenge...(mainly as pyrite) and carbonate (mainly as siderite/ankerite) contents compared to unweathered tailings. Acidic...northern tip of the northern zone. Keywords: acid mine drainage; geographical information systems; paste...from base and precious metal mines often contain iron sulfide minerals [2], most commonly as pyrite (FeS2 |  | Kolb, J., Hellmann, A., Rogers, A., Sindern, S., Vennemann, T., Bottcher, M. E., Meyer, F. M. (2004) The Role of a Transcrustal Shear Zone in Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India. Economic Geology, 99 (4) 743-759 doi:10.2113/gsecongeo.99.4.743 | Journal (article/letter/editorial) | | Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India JOCHEN KOLB,† ANDRÉ...University of Lausanne, BFSH-2, 1015 Lausanne, Switzerland MICHAEL E. BÖTTCHER, Department of Biogeochemistry...52056 Aachen, Germany Abstract The Ajjanahalli gold mine is spatially associated with a Late Archean craton-scale...is hosted by an ~100-m-wide antiform in a banded iron formation. Original magnetite and siderite are replaced...chlorite, stilpnomelane, minnesotaite, sericite, ankerite, arsenopyrite, pyrite, pyrrhotite, and gold at |  | | Journal (article/letter/editorial) | | com/locate/precamres Siliciclastic associated banded iron formation from the 3.2 Ga Moodies Group, Barberton...c ETH-Zurich, Geological Institute, Zurich, Switzerland California Institute of Technology, Geological...Lausanne, Institute of Earth Sciences, Lausanne, Switzerland a r t i c l e i n f o Article history: Received...online 30 December 2012 Keywords: Banded iron formation Chert Iron cycle Early life Barberton Greenstone...a b s t r a c t Most models proposed for banded iron formation (BIF) deposition are based on observations |  | Xia, Mei, Sun, Chao, Yang, Xiaoyong, Chen, Jian (2023) Assessment of Gold-Bearing Quartz Vein as a Potential High-Purity Quartz Resource: Evidence from Mineralogy, Geochemistry, and Technological Purification. Minerals, 13 (2) 261 doi:10.3390/min13020261 | Journal (article/letter/editorial) | | impurities in quartz are feldspar, mica, iron compounds, ankerite, rutile, silicate melt, and fluid inclusions...utilization of tailings resources and to improve mine economic benefits. https://doi.org/10.3390/ min13020261...© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...utilization of tailing resources and to improve mine economic benefits. 2. Geological Background and...There are many mineralized veins in the Joe Mann mine, which are hosted by highly altered and sheared |  | Li, Yuan, Huang, Wenhui, Jiu, Bo, Sun, Qilong, Che, Qingsong (2020) Modes of Occurrence and Origin of Minerals in Permian Coals from the Huainan Coalfield, Anhui, China. Minerals, 10 (5) 399 doi:10.3390/min10050399 | Journal (article/letter/editorial) | | quartz; varying proportions of calcite, siderite, ankerite, and pyrite; and traces of chlorite, zircon, strontianite...discussed its geological significance in the Pan3 mine [20]. However, few have investigated the occurrence...coalfield; the main research was conducted in the P1 mine, involving five coal seams of Nos. 1, 3, 8, 11-2...lithologic characteristics of Permian strata in the Pan1 mine are depicted in Figure 2. Minerals 2020, 10, 399...lithologic characteristics of Permian strata in the Pan1 mine are depicted in Figure 2. Minerals 2020, 10, x FOR |  | Bataleva, Yuliya V., Kruk, Aleksei N., Novoselov, Ivan D., Furman, Olga V., Palyanov, Yuri N. (2020) Decarbonation Reactions Involving Ankerite and Dolomite under upper Mantle P,T-Parameters: Experimental Modeling. Minerals, 10 (8) 715 doi:10.3390/min10080715 | Journal (article/letter/editorial) | | minerals Article Decarbonation Reactions Involving Ankerite and Dolomite under upper Mantle P,T-Parameters:...experimental study aimed at the modeling of dolomite- and ankerite-involving decarbonation reactions, resulting in...912–920 cm−1 . Decarbonation reactions in the ankerite-bearing system were realized at 1000 ± 20 ◦ C...shown that, in the Earth’s mantle, dolomite and ankerite enter decarbonation reactions to form Ca, Mg,...pressures. Keywords: decarbonation reaction; dolomite; ankerite; garnet; CO2 fluid; experimental modeling; high-pressure |  | Maitte, Baptiste, Jorand, Frédéric P.A., Grgic, Dragan, Abdelmoula, Mustapha, Carteret, Cédric (2015) Remineralization of ferrous carbonate from bioreduction of natural goethite in the Lorraine iron ore (Minette) by Shewanella putrefaciens. Chemical Geology, 412. 48-58 doi:10.1016/j.chemgeo.2015.07.024 | Journal (article/letter/editorial) | | bioreduction of natural goethite in the Lorraine iron ore (Minette) by Shewanella putrefaciens Baptiste...Natural goethite Iron-reducing bacteria Siderite Minette Mössbauer spectroscopy Iron ore a b s t r a...a c t Bacterial iron oxide reduction has been extensively studied over recent decades with the aim of...ferrihydrite or goethite have mainly been used as iron oxide models but very few studies have focused on...was to evaluate the ability of iron-reducing bacteria to transform iron ore and to identify the nature |  | | Journal (article/letter/editorial) | | to the south, are synchronous with or post-date ankerite-siderite-magnetite-pyrolusite and Pb-Zn mineralization...© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...together with specularite, other iron minerals (e.g., goethite, ankerite, siderite, and pyrite), or fluorite...minerals [6], including important iron deposits interpreted as part of an iron-oxide–copper–gold (IOGC) mineralizing...pluton, thedeposits Horton Group itself is barite are mine and the active Gays River lead-zinc [7].and These |  | Edahbi, Mohamed, Plante, Benoît, Benzaazoua, Mostafa, Kormos, Lori, Pelletier, Mia (2018) Rare Earth Elements (La, Ce, Pr, Nd, and Sm) from a Carbonatite Deposit: Mineralogical Characterization and Geochemical Behavior. Minerals, 8 (2) 55 doi:10.3390/min8020055 | Journal (article/letter/editorial) | | dominated by REE-free carbonates (i.e., calcite, ankerite, and siderite); and (iii) LREE is more abundant...(i) abundant carbonates minerals (i.e., calcite, ankerite, dolomite, and siderite); (ii) various accessory...accessory minerals as phosphates, fluocarbonates, iron oxides, and REE-bearing minerals (e.g., burbankite,...are often stored on surface. This disposal of REE mine wastes represent serious environmental concerns...literature such as in Malaysia, USA, and China [14]. REE mine wastes contain various contaminants such as metals |  | | Journal (article/letter/editorial) | | over a wider area, five additional samples of ankerite from veinlets in rocks of Coal Measure age, and...similar age with carbonate but unaccompanied by ankerite veinlets have been investigated. The range in...carbonates formerly described as dolomite are really ankerite, large concentrations of which accompany the ...determinations and confirmed by commercial analyses of iron ores of the 'coarse grey' type (Dunham, 1941), but...Coal Survey, Chester, we are grateful for the ankerite from Scremerston. To the Non-ferrous Minerals |  | | Journal (article/letter/editorial) | | of quartz, bivalve fragments and minor gypsum, ankerite, siderite and pyrite, the latter consists of pyrite...(contains and minor silicon and 2 ) (Figure sulfur, iron and the minor siliconof and oxygen) suggest the...pyrite pyrite with with mineral minor gypsum, ankerite and siderite (Figure 6a), whilst the outer layer...layer comprises predominately minor gypsum, ankerite and siderite (Figure 6a), whilst the outer layer comprises...comprises predominately minor gypsum, ankerite and siderite (Figure 6a), whilst the outer layer comprises |  | | Journal (article/letter/editorial) | | magnetite;2, gruneritc + quartz _+ankerite _+magnetiteand gruneritc_+siderite_+ankerite _+magnetite;$a, gruneritc+...(James,1955). Becausethe strike of the Negaunee Iron Formation is roughly parallel to the metamorphicgradient...investigate the progressive metamorphism of a banded iron-formation.This report presentsfield, mineralogic...rectasedimentarysequenceof quartzite-slate-siltstonebanded iron-formation that comprisesthe Menominee Group which...associated with the orogeny(Klasner,1978). NEGA UNEE IRON FORMATION: MICHIGAMME • ME TAMORPHIC PE TROLOGY |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 84, 1989, pp. 1444-1451 GOLD IN SWITZERLAND FELICEC. JAFFfZ Departmentof Mineralogy,Universityof...Geneva,13, rue desMaraœchers, 1211 Geneva4, Switzerland Introduction The main purpose of this communicationis...detailnumerous similar occurrences in eastern Switzerland and has discussed in detail their originand...calcareousAlps: Calanda, Grisons The abandonedCalandagold mine was described in the lastcentury(Kenngott,1866)...depositsoccurin Switzerland, many of which have been mined on a smallscalein the past,mainlyfor iron, basemetals |  | | Journal (article/letter/editorial) | | GEOLOGY OF THE IRON KING MINE, COUNTY, ARIZONA. • YAVAPAI S. C. CREASEY. CONTENTS. PAGE Abstract.......................................... 30 30 Iron King ore deposit ............................................................ 33 Relationshipof Iron King depositto regional structures ............................... 37 Structural control of the Iron King deposit ......................... Distribution.................. 54• 55 55 ABSTRACT. The Iron King mine is about 2,000 feet west-northwest of the intersection |  | | Journal (article/letter/editorial) | | slates and shales, among which is a thick bed of iron ore including fossil shells. A few of the fossils...localities in this series, venigenous deposits of ores of iron and copper have been discovered. Some of these are...these deposits to which I shall refer is a vein of iron ore and ferrnginous limestone, extending along the...Esq., for the furnace and buildings of the "Acadia Mine." In the western bank of this stream, at the junction...river-section to, and for some distance beyond, the iron vein. The vein is well seen in the bed of the stream |  | | Journal (article/letter/editorial) | | widely in composition. The common typesare calcite,ankerite, ferro-dolomiteand dolomite; lesscommon is siderite...magnesite. The compoundsincluded under dolomite and ankerite are especiallyabundantin the gold-bearingveinsof...52 per cent.of the mineral,but the magnesiumand iron content is variable. The calcite in this association...CHARLEWOOD. gold mine are typical, are in this class. In many of the veins of the Hollinger mine carbonatesare...two distinct types of carbonatesat the Hollinger mine, with no intermediatemembers. One type consistsof |  | | Journal (article/letter/editorial) | | lavasand pyroclasticrocks,underlyingthe ArchcanHelen iron-formation,have beenvariablyalteredby hydrothermalsolutions...astaltered,sericite,chlorite, chloritoid, and ankerite. The leastalteredrockshavebeen affectedprimarilyby...decreasedCO2 solubilitycausingmassprecipitationof iron carbonate.This led to the formationof the ankeriteassemblage...ankeriteassemblage in the immediatefootwallrocksand the siderite iron-formation on the sea floor. The mineralogyandchemistryof...the hydrothermalsolutionhad high concentrations of iron andcarbondioxideandlow concentrations of basemetals |  | Lerouge, Catherine, Grangeon, Sylvain, Claret, Francis, Gaucher, Eric, Blanc, Philippe, Guerrot, Catherine, Flehoc, Christine, Wille, Guillaume, Mazurek, Martin (2014) Mineralogical and Isotopic Record of Diagenesis from the Opalinus Clay Formation at Benken, Switzerland: Implications for the Modeling of Pore-Water Chemistry in a Clay Formation. Clays and Clay Minerals, 62 (4) 286-312 doi:10.1346/ccmn.2014.0620404 | Journal (article/letter/editorial) | | FROM THE OPALINUS CLAY FORMATION AT BENKEN, SWITZERLAND: IMPLICATIONS FOR THE MODELING OF PORE-WATER...Sciences, Baltzerstrasse 1+3, CH-3012 Bern, Switzerland Abstract—Argillaceous rocks are considered to...which is intended for nuclear-waste disposal in Switzerland. A diagenetic sequence is proposed, which serves...reduction, was followed by formation of iron-rich calcite, ankerite, siderite, glauconite, (Ba, Sr) sulfates...at the fluctuating boundary between the suboxic iron reduction and the sulfate reduction zones. Diagenetic |
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