Relevant bibliographies by topics / Cobalt ores Geology

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Academic literature on the topic 'Cobalt ores Geology'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Cobalt ores Geology"

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Dehaine, Quentin, Laurens T. Tijsseling, Hylke J. Glass, Tuomo Törmänen, and Alan R. Butcher. "Geometallurgy of cobalt ores: A review." Minerals Engineering 160 (January 2021): 106656. http://dx.doi.org/10.1016/j.mineng.2020.106656.

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2

Colomban, Philippe, Burcu Kırmızı, and Gulsu Simsek Franci. "Cobalt and Associated Impurities in Blue (and Green) Glass, Glaze and Enamel: Relationships between Raw Materials, Processing, Composition, Phases and International Trade." Minerals 11, no. 6 (June 15, 2021): 633. http://dx.doi.org/10.3390/min11060633.

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Minerals able to colour in blue (and green in combination with yellow pigments) are limited in number and geologically. After presenting a short history of the use of cobalt as a colouring agent of glass, glaze and enamel in the Western/Mediterranean, Islamic and Asian worlds since Antiquity, we will present the different forms (dissolved ions, natural and synthetic crystalline phases/pigments) of cobalt and associated elements regarding primary (transition metals) and secondary geological deposits (transition metals and/or arsenic, bismuth, silver). Attempts to identify the origin of cobalt have been made by many authors considering the associated elements but without considering the important modifications due to different processing of the raw materials (extraction/purification/formulation). We review the information available in the ancient reports and present literature on the use of cobalt, its extraction and production from the ores, the different geological sources and their relationship with associated elements (transition metals, bismuth, arsenic, and silver) and with technological/aesthetic requirements. (Partial) substitution of cobalt with lapis lazuli is also addressed. The relative application of non-invasive mobile Raman and pXRF analytical instruments, to detect mineral phases and elements associated with/replacing cobalt is addressed, with emphasis on Mamluk, Ottoman, Chinese, Vietnamese and Japanese productions. The efficiency of Ni-Zn-As diagram proposed by Gratuze et al. as a classification tool is confirmed but additionally, CoO-Fe2O3−MnO and CoO-NiO-Cr2O3 diagrams are also found as very efficient tools in this research. The relationship between the compositional data obtained from the artefacts and historical questions on the origin and date of their production are discussed in order to obtain a global historical view. The need of a better knowledge of (ancient) deposits of cobalt ores and the evolution of cobalt ore processing with time and place is obvious.
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Crundwell, F. K., N. B. du Preez, and B. D. H. Knights. "Production of cobalt from copper-cobalt ores on the African Copperbelt – An overview." Minerals Engineering 156 (September 2020): 106450. http://dx.doi.org/10.1016/j.mineng.2020.106450.

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4

Novakov, Roman, Valentina Kungurova, and Svetlana Moskaleva. "Formation conditions of noble metal mineralization in sulfide cobalt-copper-nickel ores of Kamchatka (on the example of Annabergitovaya Schel ore occurrence)." Journal of Mining Institute 248 (May 25, 2021): 209–22. http://dx.doi.org/10.31897/pmi.2021.2.5.

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The authors present research results, the purpose of which is to study the specifics of noble metal mineralization and its genesis in sulfide cobalt-copper-nickel ores of the Kamchatka nickel-bearing province. The paper is dedicated to one of its many ore occurrences called Annabergitovaya Schel (Annabergite Gap). The material composition of platinoid, silver, gold, bismuth and tellurium minerals, as well as sulfarsenides in the ores of this occurrence was investigated. Based on the data of mineral formation sequence and the use of geosensors, conclusions were drawn regarding the genesis of noble metal mineralization. Formation of platinoid minerals, silver and gold at the Annabergitovaya Schel ore occurrence is mainly associated with the epigenetic effect of post-ore granitoids on ore-bearing intrusion rocks of the Dukuk complex of the cortlandite-norite formation and on syngenetic ores. An early association of noble metal minerals is represented by sperrylite, irarsite, and rare unnamed phases of Pt + Ir + Te. Irarsite and Pt + Ir + Te phases were formed at the contact-metasomatic stage. Sperrylite can be assumed to be of magmatic origin. Silver sulfides and tellurides, silver and palladium bismuth tellurides, and native gold were formed at the late, hydrothermal-metasomatic, stage. The occurrence conditions of mineral parageneses, associated with noble metal mineralization, correspond to the formation of shallow-depth metasomatic rocks (5 km). Sub-developed quartz-feldspar metasomatites, associated with the formation of early platinoid arsenides and sulfarsenides, are in equilibrium with circumneutral solutions (pH of 4.5-6.5) at temperatures of 350-600 °C. Late hydrothermal association with Pd, Ag and Au minerals is close to propylites and was formed at pH values of 4.5-6.5 and temperature of 150-350 °C.
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Meng, Zhiqiang, Yingjun Chu, Zijian Zhang, and Xiaolong Tian. "Comprehensive development and associated cobalt from Hanxing iron ore tailings." World Journal of Engineering 10, no. 6 (December 1, 2013): 551–56. http://dx.doi.org/10.1260/1708-5284.10.6.551.

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Cobalt is an extremely useful element, but there are very few separate cobalt deposits in China and imported cobalt ores are usually toxic. In order to develop more low-toxicity cobalt resources, China has to encourage exploration and development of this element. Samples are taken from Hanxing iron ore tailings and analyzed by ICP-MS and barium chloride titration experiments. The results indicate that the cobalt content is relatively high in Hanxing iron ore tailings, and some exceed the industrial grade. Therefore, with the depletion of cobalt resources, iron ore tailings are bound to become an important resource in China, and as these tailings are abundant in the Hanxing area, this area is expected to be of high development value.
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Lebedev, V. I., A. A. Borovikov, L. V. Gushchina, and I. S. Shabalin. "Physico-chemical modeling of hidrothermal mineralization processes at Ni-Co-As (± U-Ag), Co-S-As (± Au-W), Cu-Co-As (± Sb-Ag) deposits." Геология рудных месторождений 61, no. 3 (June 19, 2019): 31–63. http://dx.doi.org/10.31857/s0016-777061331-63.

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A generalization of the results of the study of the composition of metal-bearing fluids of cobalt deposits of hydrothermal Genesis, formed in different geodynamic settings in connection with the formation of alkaline and alkaline-basite intrusions and dikes. To determine the physical and chemical parameters of ore deposition from fluid inclusions in minerals, both traditional and new instrumental methods of thermobarogeochemistry were used: thermo-and cryometry, RAMAN spectroscopy, concentration of ore and petrogenic elements in individual fluid inclusions were evaluated by LA-ICP-MS. The obtained results served as the basis for the study, the main task of which was the thermodynamic modeling of the conditions of joint transport and deposition of Co, Ni, Cu, Fe, Mg, Ca, Ag, Au, Bi, U, Pt and Pd C calculation of a number of equilibrium States of the hydrothermal system, the composition close to the natural ore-forming fluids. Physical and chemical factors of native deposits-gold, silver, platinum and palladium in the ores of such deposits are revealed. The obtained data can serve as a basis for the development of correct genetic models of ore-forming systems of cobalt deposits and contribute to solving the problems of their search.
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Krutov, G. A., N. P. Mikhaylov, B. V. Obraztsov, and R. A. Vinogradova. "NEW DATA AND HYPOTHESES ON THE ORIGIN OF THE COBALT ARSENIDE ORES OF THE BOU AZZER AREA, MOROCCO." International Geology Review 31, no. 3 (March 1989): 306–16. http://dx.doi.org/10.1080/00206818909465883.

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Trukhin, Yu P., A. A. Balykov, and M. B. Vainstein. "BACTERIAL-CHEMICAL LEACHING OF COBALT-COPPER-NICKEL ORES AND THE TECHNOLOGICAL SCHEME OF PROCESSING OF PRODUCTIVE SOLUTIONS OF NICKEL AND COBALT." Mining informational and analytical bulletin, S35 (2017): 5–22. http://dx.doi.org/10.25018/0236-1493-2017-12-35-5-22.

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9

Ntakamutshi, Patrick Tshibanda, Méschac-Bill Kime, Mutamba Edouard Mwema, Banka Richard Ngenda, and Tshamala Arthur Kaniki. "Agitation and column leaching studies of oxidised copper-cobalt ores under reducing conditions." Minerals Engineering 111 (September 2017): 47–54. http://dx.doi.org/10.1016/j.mineng.2017.06.001.

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Dehaine, Quentin, Lev O. Filippov, Inna V. Filippova, Laurens T. Tijsseling, and Hylke J. Glass. "Novel approach for processing complex carbonate-rich copper-cobalt mixed ores via reverse flotation." Minerals Engineering 161 (January 2021): 106710. http://dx.doi.org/10.1016/j.mineng.2020.106710.

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Dissertations / Theses on the topic "Cobalt ores Geology"

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Fay, Hannah Isabel. "Studies of Copper-Cobalt Mineralization at Tenke-Fungurume, Central African Copperbelt; and Developments in Geology between 1550 and 1750 A.D." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/319897.

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The contents of this dissertation fall into two broad areas: geology and history of geology. Although apparently unrelated, the two categories in fact parallel one another. The development of geological systems finds a mirror, on a shorter timescale, in the development of the human understanding of geological systems. The present state of a science - like the present state of an earth system - represents the concatenation of many subtle or evident processes and influences operating over time. Moreover, the events of the past condition the state of the present in science as well as in objects of scientific study. Thus, for instance, to understand why we now hold certain interpretations about the formation of sediment-hosted copper deposits, we must study not only the deposits themselves but the historical development and the philosophical concerns that guided and shaped modern thought about them. In this dissertation the geological and historical aspects are presented in sequence rather than juxtaposed. The geological section comes first, with three chapters detailing the formation and development of the Tenke-Fungurume Cu-Co district and the Central African Copperbelt, followed by another taking a broad view of the mineralogical, geochemical, and metallurgical implications of some of the geological features there. Then follows the history of geology: first two chapters on the role of Georgius Agricola in founding modern geology, and one on how it developed through the following centuries in tune with simultaneous developments in other sciences.
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Llorca, Sylvie. "Les concentrations cobaltiferes supergenes en nouvelle-caledonie : geologie, mineralogie." Toulouse 3, 1986. http://www.theses.fr/1986TOU30231.

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La repartition dans les profils des concentrations cobaltiferes est controlee par deux mecanismes qui interferent: le premier consiste en une accumulation progressive du cobalt dans une tranche donnee de profil correspondant au toit des alterites silicatees, au fur et a mesure de l'approfondissement de l'alteration; le second consiste en une migration progressive du cobalt depuis les zones hautes vers les depressions du toit silicate, formees par la roche en cours d'alteration. Le cobalt est porte par des produits noirs caracteristiques des divers milieux de depot
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Books on the topic "Cobalt ores Geology"

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Nash, J. Thomas. Geology and geochemistry of synsedimentary cobaltiferous-pyrite deposits, Iron Creek, Lemhi County, Idaho. Washington: U.S. G.P.O., 1989.

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Book chapters on the topic "Cobalt ores Geology"

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Wothers, Peter. "Goblins and Demons." In Antimony, Gold, and Jupiter's Wolf. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780199652723.003.0008.

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The belief that there were no more than seven metals persisted for hundreds of years, and it was not until the seventeenth century that the inconvenient, inescapable realization came that there were probably many more. I’ve already mentioned Barba’s report from 1640 about the new metal bismuth; it was one of a number of metals or metal-like species that began to be noticed in the sixteenth and seventeenth centuries. In his History of Metals from 1671, Webster begins Chapter 27: ‘Having now ended our Collections and Discourse of the seven Metals, vulgarly accounted so; we now come to some others, that many do also repute for Metals; and if they be not so, at least they are semi-Metals, and some of them accounted new Metals or Minerals, of that sort that were not known to the Ancients.’ In the chapter Webster speaks of antimony, arsenic, bismuth, cobalt, and zinc. While we now understand these as distinct elements, earlier on there was great confusion, with the names being used for compounds rather than the elements themselves—and, furthermore, the different compounds and elements often being mistaken for each other. This makes unravelling their history all the more complicated. We’ll start with Barba’s ‘Mettal between Tin and Lead, and yet distinct from them both’: bismuth. The first mention of bismuth predates Barba’s reference by more than one hundred years. The name appears in its variant spelling, ‘wissmad’, in what is probably the very first book on mining geology. This was published around the turn of the sixteenth century and attributed to one Ulrich Rülein von Calw, the son of a miller who entered the University of Leipzig in 1485. Ulrich mentions in passing that bismuth ore can be an aid to finding silver, since the latter is often found beneath it. Consequently, miners called bismuth ‘the roof of silver’. As Webster later put it in his History of Metals, ‘The ore from whence it is drawn . . . is also more black, and of a leaden colour, which sometimes containeth Silver in it, from whence in the places where it is digged up, they gather that Silver is underneath, and the Miners call it the Cooping, or Covering of Silver.’
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