 | | Book (edition) | | Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Atlases in Geoscience...Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Bernhard Pracejus Sultan...gangue mineral may be considered as waste in one deposit and as ore mineral in another (e.g., hedenbergite)...environment that has not yet been examined adequately. An example for such a situations can be seen in euhedral...particular sample derives from the stockwork of such a deposit, it will normally contain amorphous silica/opal |  | | Journal (article/letter/editorial) | | 1016/j.oregeorev.2019.103304 This is a PDF file of an article that has undergone enhancements after acceptance...grade and several phyllosilicates can be used as an ore guide to non-clay mineral deposits. Time, climate...the geological age of formation is synonymous with an increase of the P-T regime where important boundaries...Central Europe. They indicate an ensialic geodynamic regime in Mesoeurope and an ensimatic regime in Neoeurope...extensional regimes in the Alpides and indicative of an ensialic and ensimatic regime, respectively. In the |  | Dill, H. G., Botz, R., Berner, Z., Abdullah, M. B., Hamad, A. (2010) The Origin of Pre- and Synrift, Hypogene Fe-P Mineralization during the Cenozoic along the Dead Sea Transform Fault, Northwest Jordan. Economic Geology, 105 (7) 1301-1319 doi:10.2113/econgeo.105.7.1301 | Journal (article/letter/editorial) | | 1301–1319 The Origin of Pre- and Synrift, Hypogene Fe-P Mineralization during the Cenozoic along the Dead... Hematite-ankerite-goethite deposits in the environs of Warda, an apatite deposit near Suweileh, hot...brine sinter terraces with a varied spectrum of Ca-Fe-Mn-Ba mineralization on the banks of the Yarmouk...Yarmouk and Jordan River, and strata-bound goethite mineralization on different uplifted blocks northeast of...strata- and fault-bound orebodies of the Warda Fe ore deposit resulted from low-temperature, epithermal replacement |  | Yans, Johan, Verhaert, Michèle, Gautheron, Cecile, Antoine, Pierre-Olivier, Moussi, Béchir, Dekoninck, Augustin, Decrée, Sophie, Chaftar, Hédi-Ridha, Hatira, Nouri, Dupuis, Christian, Pinna-Jamme, Rosella, Jamoussi, Fakher (2021) (U-Th)/He Dating of Supergene Iron (Oxyhydr-)Oxides of the Nefza-Sejnane District (Tunisia): New Insights into Mineralization and Mammalian Biostratigraphy. Minerals, 11 (3) 260 doi:10.3390/min11030260 | Journal (article/letter/editorial) | | Supergene Iron (Oxyhydr-)Oxides of the Nefza-Sejnane District (Tunisia): New Insights into Mineralization and...Supergene Iron (Oxyhydr-)Oxides of the NefzaSejnane District (Tunisia): New Insights into Mineralization and...and institutional affil- Abstract: The mining district of Nefza-Sejnane (Tunisia) encloses numerous ores...deposits, all formed in relation with successive Fe-rich fluids of meteoric and/or hydrothermal origins...obtained on supergene goethite from various localities/deposits of the district highlight direct dating |  | | Book (edition) | | GEOSCIENCE, 3 The Ore Minerals Under the Microscope An Optical Guide This page intentionally left blank...GEOSCIENCE, 3 The Ore Minerals Under the Microscope An Optical Guide Edited by Bernhard Pracejus Amsterdam...with Layered Structure Pyrochroite IV/F.03-30 734 Goethite IV/F.06-30 736 Lepidocrocite IV/F.06-40 738 Manganite...Anions. Cations of Medium and Small Size: Be and Mn, Fe, Cu, Zn, Mg Erythrine VII/C.13-70 824 Annabergite...Germany Dr. Thomas Kenkmann Museum für Naturkunde der Humboldt-Universität zu Berlin, Invalidenstr. 43 |  | | Journal (article/letter/editorial) | | of its family. The reason for this is that it has an ionic radius very similar to that of iron and magnesium...addition to magmatic processes, aqueous fluids may play an important or even essential role in scandium ore...laterite developed above an Alaskan-type ultramafic complex. This review is no more than an introduction to the...lies just below scandium in the periodic table, has an ionic radius that † Corresponding author: e-mail...table between elements with an atomic mass of 40 (Ca) and 48 (Ti). He predicted an unidentified element, ekaboron |  | Bouabdellah, Mohammed, Boukirou, Wissale, Potra, Adriana, Melchiorre, Erik, Bouzahzah, Hassan, Yans, Johan, Zaid, Khadra, Idbaroud, Mohammed, Poot, Julien, Dekoninck, Augustin, Levresse, Gilles (2021) Origin of the Moroccan Touissit-Bou Beker and Jbel Bou Dahar Supergene Non-Sulfide Biomineralization and Its Relevance to Microbiological Activity, Late Miocene Uplift and Climate Changes. Minerals, 11 (4) 401 doi:10.3390/min11040401 | Journal (article/letter/editorial) | | of this category of ore deposits. This article is an open access article distributed under the terms and...Cristal Zn prospect of Bongará district in northern Peru, Kabwe Zn-Pb deposit (formerly known as “Broken...in central Zambia, Tsumeb in Namibia, and Apex deposit in the United States ([6,8–10] and references therein)...dependent not only on the geologic setting of each deposit but also on the initial mineralogy, including the...Pb-dominant vs. Zn-dominant deposits), providing an ideal methodological approach to investigate the |  | Sizaret, S., Marcoux, E., Jebrak, M., Touray, J. C. (2004) The Rossignol Fluorite Vein, Chaillac, France: Multiphase Hydrothermal Activity and Intravein Sedimentation. Economic Geology, 99 (6) 1107-1122 doi:10.2113/gsecongeo.99.6.1107 | Journal (article/letter/editorial) | | 45067 Orléans, France Abstract The Chaillac deposit of Indre, France, occurs at the contact between...sedimentary cover. The deposit consists of a stratiform Ba-F-Fe–rich deposit (Les Redoutières) and a...1982). Major mining districts, such as the Morvan district, are located near the contact between Hercynian...(Fig. 1). Strata-bound occurrences in the Morvan district have been interpreted to have formed at ~200 Ma...extensional (E) and shear-related (S) types (e.g., Tarn district: † Corresponding author: e-mail, ssizaret@univ-orleans |  | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining...on the mineralogy and chemistry and ends up with an outlook into its final use and the supply situation...common plate tectonic settings is supplemented by an approach taken for the first time for such a number...in mineral exploration. This review is designed as an “interactive paper” open, for amendments in the electronic... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and | | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining...on the mineralogy and chemistry and ends up with an outlook into its final use and the supply situation...common plate tectonic settings is supplemented by an approach taken for the first time for such a number...in mineral exploration. This review is designed as an “interactive paper” open, for amendments in the electronic... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and |  | Verhaert, Michèle, Gautheron, Cécile, Dekoninck, Augustin, Vennemann, Torsten, Pinna-Jamme, Rosella, Mouttaqi, Abdellah, Yans, Johan (2022) Unravelling the Temporal and Chemical Evolution of a Mineralizing Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco) Minerals, 12 (9) 1151 doi:10.3390/min12091151 | Journal (article/letter/editorial) | | Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco) Michèle Verhaert...Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco). Minerals...dekoninck@unamur.be Abstract: Timing and duration of ore deposit formation are crucial to understanding the mineralization...O-isotope compositions of pure goethite formed in the Imini karst-hosted Mn district (High Atlas, Morocco) were...generations of cavity-filling and fracture-filling goethite are identified, and both precipitated prior to |  | Zay Ya, Kyaw, Otake, Tsubasa, Koide, Aoi, Sanematsu, Kenzo, Sato, Tsutomu (2020) Geochemical characteristics of ores and surface waters for environmental risk assessment in the Pinpet iron deposit, southern Shan State, Myanmar. Resource Geology, 70 (3). 296-308 doi:10.1111/rge.12231 | Journal (article/letter/editorial) | | environmental risk assessment in the Pinpet iron deposit, southern Shan State, Myanmar Kyaw Zay Ya1,2 |...operations in the Pinpet Fe deposit, which is the second-largest Fe deposit in Myanmar, are currently...contamination of heavy metals and hazardous elements (e.g., Fe, As, Cu, Zn, and U) into the surrounding aquatic...and degree of contamination in streams near the deposit has not yet been conducted. Therefore, we quantified...speciation and concentration of these metals in deposit Fe ores using the sequential extraction method, |  | | Journal (article/letter/editorial) | | Genetic Implication for the Um Bogma Manganese Deposit, Southwestern Sinai A. Segev Mineral & Energy Resources...the Um Bogma dolomites and remobilization of Mn + Fe ore bodies. This interpretation is reinforced by...pockets within the Paleozoic Um Bogma manganese deposit of southwestern Sinai (Fig. 1). This occurrence...problematic origin of the Manganese deposit. The Um Bogma manganese deposit was discovered by Bauerman in 1869...the: a) close spatial relationship between the Mn-Fe ore with crosscutting dykes and faults, and the thickening |  | Le Bas, M. J., Kellere, J., Kejie, Tao, Wall, F., William, C. T., Peishan, Zhang (1992) Carbonatite dykes at bayan Obo, inner Mongolia, China. Mineralogy and Petrology, 46 (3) 195-228 doi:10.1007/bf01164647 | Journal (article/letter/editorial) | | Mineralogy peaoalogy © Springer-Verlag 1992 Printed in Austria Carbonatite Dykes at Bayan Obo, Inner Mongolia...belt near the Bayan Obo rare earth element (REE) deposit. They cut a thrust inlier of granitic migmatite...Secondary alteration is marked by the introduction of Fe and Mn. The adjacent migmatite is fenitized to a...Kalzit-reiche Gfinge kommen im Faltengtirtel in der N~ihe der Seltenen-Erd-Lagerst~itte Bayan Obo vor. Es...granitischer Zusammensetzung innerhalb der gefalteten Sedimente der Bayan Obo Gruppe durchsetzen. Chemische |  | | Journal (article/letter/editorial) | | Article Bio-Geochemical Processes: Insights from Fe-Mn Mineralization in the Aegean Sea (Greece) Charalampos...Economou-Eliopoulos, M. Bio-Geochemical Processes: Insights from Fe-Mn Mineralization in the Abstract: In this study...and existing mineralogical and geochemical data on Fe-Mn mineralization from the Aegean region [Attica...aiming to provide new insights on the genesis of Fe-Mn mineralization in that region and its potential...Pb, and Zn show remarkably variable values. The Mn-Fe deposits from Milos exhibit the highest tungsten |  | Charles, Nicolas, Choulet, Flavien, Sizaret, Stanislas, Chen, Yan, Barbanson, Luc, Ennaciri, Aomar, Badra, Lakhlifi, Branquet, Yannick (2016) Internal structures and dating of non-sulphide Zn deposits using rock magnetism: insights from the Moroccan High Atlas. Mineralium Deposita, 51 (1) 151-175 doi:10.1007/s00126-015-0596-x | Journal (article/letter/editorial) | | Meknès, Morocco apparent polar wander path, with an upper age at 0.78 Ma. The proposed three-step scenario...hosted in carbonates experienced oxidation under an arid climate to form karstrelated Zn-Pb non-sulphide...non-sulphide ores. These promising results pave the way for an efficient method to constrain the internal fabrics...Zn supergene deposits. Keywords Non-sulphide Zn deposit . AMS . Palaeomagnetism . Dating . High Atlas ...oxidation in supergene-enriched ores, representing an interesting methodological challenge with multiple |  | | Journal (article/letter/editorial) | | partial tables of contents of a number of journals as an information service. Please do not write to us to...2398 APPLIED EARTH SCIENCE Vol. 123, No. 3, 2014 An assessment of portable X-ray fluorescence spectroscopy...hydrothermal quartz in the high sulfidation copper-gold deposit at El Indio, Chile—Dominique Tanner, Richard W...Gysi and Anthony E. Williams-Jones 109 87 CHEMIE DER ERDE AUSTRALIAN JOURNAL OF EARTH SCIENCES Vol. 62...Characterization of cores from an in-situ recovery mined uranium deposit in Wyoming: Implications for post-mining |  | | Journal (article/letter/editorial) | | the following order: Pb- Zn and Mo deposits < Cu- Fe and Sn deposits < W deposits < non- mineralized granitic...deposits were formed at pressures below 1 kb, Cu- Fe and Sn deposits at 1- 2 kb, W deposits at 2 - 3 kb...ratio of the length to the maximum width of the deposit >15 and are characterized by ribbon- like layers...principally of altered fine clastic ore facies. The Jusa deposit appears to have formed in two stages: deposition...S., Espinoza, S. & Definis, A. Angélica copper deposit: Exotic type mineralization in the Tocopilla plutonic |  | Kovalenker, V. A., Trubkin, N. V., Abramova, V. D., Plotinskaya, O. Yu., Kiseleva, G. D., Borisovskii, S. E., Yazykova, Yu. I. (2018) Typomorphic Characteristics of Molybdenite from the Bystrinsky Cu–Au Porphyry–Skarn Deposit, Eastern Transbaikal Region, Russia. Geology of Ore Deposits, 60 (1) 62-81 doi:10.1134/s107570151801004x | Journal (article/letter/editorial) | | Molybdenite from the Bystrinsky Cu–Au Porphyry–Skarn Deposit, Eastern Transbaikal Region, Russia V. A. Kovalenker*...mineralization at the Bystrinsky Cu–Au–Fe porphyry–skarn deposit in the eastern Transbaikal region, Russia...electron microscopy (HRTEM). Molybdenite found at the deposit in skarn, sulfide-poor quartz veins, and quartz–feldspar...distributed inclusions) are associated with illite, goethite, and barite. Some single crystals are unique three-phase...heterogeneity of molybdenite from the Bystrinsky deposit are its crucial features, which obviously correlate |  | Chukanov, N. V., Rastsvetaeva, R. K., Aksenov, S. M., Pekov, I. V., Belakovskiy, D. I., Blass, G., Möhn, G. (2013) Lahnsteinite, Zn4(SO4)(OH)6 · 3H2O, a new mineral from the Friedrichssegen Mine, Germany. Geology of Ore Deposits, 55 (8) 663-668 doi:10.1134/s1075701513080023 | Journal (article/letter/editorial) | | the dump of the Friedrichssegen Mine, Bad Ems district, RhinelandPalatinate (RheinlandPfalz), Germany...colorless tabular crystals in the cavities of goethite, is associated with pyromorphite, hydrozincite...INRODUCTION The iron–basemetal (Zn, Pb, Cu, Ag, Fe) deposit in the Lahn Valley (currently belonging to Rhineland...earliest written evidence of exploration in this district dates back to 1220. The Friedrichssegen Mine,...Lower Devonian shales. The oxidation zone of this deposit is character OCCURRENCE, MORPHOLOGY, AND PHYSICAL |  | | Book | | rang r gingg fro om airb born ne to lab boratoryy an nd inddustrrial usee o of imaggingg speectrroscopyy...oncretee miicrostruucturre, air voidd sttructuree an nd dduraabilitty testin ng. Pellcon n alsso dev d...putedd tom moggraphy (C CT) imaggingg meetho odollogyy an nd opticcs to o no ondeestruuctiivelyy prroduuce...at ICAM 2004 that “Applied mineralogy has become an important driving force towards a sustained development...– University of Oslo (NHM/UiO) Dr. Casper van der Eijk Associate Editor SINTEF Dr. Ton J.T. van |  | | Conference Proceedings (Volume) | | Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings VOLUME...Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings Volume...volume: Jonsson, E. et al. (ed.), 2013: Mineral deposit research for a high-tech world. Proceedings of...978-91-7403-207-9. 1882 pp. Suggested citation for an individual paper: Sundberg, N. & Karlsson, E., 2013:...Metallogeny of the Fennoscandian Shield. Mineral deposit research for a high-tech world. Proceedings of |  | | Journal (volume) | | 3 – waste type 1 – waste type 2; (ii) Pattern 2: Fe and As are quasi-uniformly distributed over the surface...surfaces of the two tailings ponds from the mining district of Fundu Moldovei, by using some statistical tools...Negru tailings pond (DN) is a hill-type waste deposit, which lies on the right bank of Moldova River...pond of Pârâul Cailor (PC) is a valley-type waste deposit, located northeast of village, about 1.5 km upstream...energy-dispersive Xray fluorescence (EDXRF), with help of an Epsylon 5 XRF-spectrometer. For this, the samples |  | | Journal (article/letter/editorial) | | Between Phyllite and Itabirite of the Pau Branco Deposit, Quadrilátero Ferrífero, Brazil— Implications for...phyllitic wall rock, of the Pau Branco iron ore deposit, Quadrilátero Ferrífero, Brazil. The phyllite and...chlorite-, and Fe-rich zones, which likely reflect distal to proximal alteration halos. The Fe-rich phyllite...hematite overgrows earlier iron oxides; and (5) goethite replaces earlier hematite and amphibole within...distinct input of hydrothermal fluids during the Fe enrichment of the phyllite. Locally, restricted Ce |  | Garnit, Hechmi, Kraemer, Dennis, Bouhlel, Salah, Davoli, Mariano, Barca, Donatella (2020) Manganese ores in Tunisia: Genetic constraints from trace element geochemistry and mineralogy. Ore Geology Reviews, 120. 103451 doi:10.1016/j.oregeorev.2020.103451 | Journal (article/letter/editorial) | | 1016/j.oregeorev.2020.103451 This is a PDF file of an article that has undergone enhancements after acceptance...commonly occur in close spatial association with Fe ores 24 and are genetically not related to Pb-Zn-(Ba-Sr-F)...characterized 25 by high and variable Mn/Fe ratios and an enrichment in Pb, Zn, Ba and Sr. Shale-normalized...mineralization. In 35 the Tamra Fe-Mn deposit (Nappes zone, polymetallic district and volcanosedimentary 36...under supergene conditions. In the Jebel Ank Fe-Mn deposit (southern 47 Tunisian Atlas, hosted in a relatively |
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