Relevant bibliographies by topics / Challenger Gold Mine

Academic literature on the topic 'Challenger Gold Mine'

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Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Challenger Gold Mine"

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Keeling, John, Roger Fidler, Xianrong Luo, Adrian Fabris, Baohong Hou, and Nanshi Zeng. "Chinese CHIM – electro-geochemical survey of extensions to the Challenger Gold Mine, South Australia." ASEG Extended Abstracts 2006, no. 1 (December 2006): 1–4. http://dx.doi.org/10.1071/aseg2006ab082.

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Mireku-Gyimah, D., and R. Gyebuni. "Can Capital Injection Make Challenged Gold Projects in Ghana Economically Viable? – A Case Study." Ghana Mining Journal 19, no. 1 (June 30, 2019): 42–48. http://dx.doi.org/10.4314/gm.v19i1.5.

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Damang Gold Mine (DGM) in Ghana uses open pit mining technology to mine its gold deposit. It has an estimated mineable gold reserve of about 32 Mt exploitable for 8 years. As the gold price kept falling from 2013 and operating cost kept rising, the mine down sized its operations. But the operations became challenging due to poor performance of ageing mining equipment and processing plant, and the need for a new tailings dam. As the gold price stabilises, it could be gainful to invest capital to resolve the challenges and increase production. This study aims at investigating whether DGM would be economically viable if the intended investment is made assuming the gold price falls to US$ 32.15/g. The study estimates the required capital and annual operating cost to be US$89.49 M and US$100.84 M respectively. A cash flow analysis is carried out assuming no price escalation, discount rate of 20%, and applying the following investment laws of Ghana: royalty of 5% of gross revenue; straight line depreciation of capital expenditure over five years (20% per year); investment allowance of 5% in the first year only; loss carry forward; and corporate tax of 35%. The results give Net Present Value of US$82 723 720.28 and Internal Rate of Return of 41.13%, indicating profitability. Sensitivity analysis reveals that the project will continue to be profitable until the revenue falls below 24%, assuming all other economic parameters remain constant. The project will also continue to be profitable until the operating cost increases beyond 30%, assuming all other economic parameters remain constant. Risk analysis on the project indicates the project has 70% chances of success. DGM could invest the capital to mine its gold reserves because the mine will make profit provided cost is controlled and production level maintained to generate needed revenue. Keywords: Net Present Value, Internal Rate of Return, Sensitivity Analysis, Risk Analysis
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Powell, Wayne, Evren Yazgan, Michael Johnson, K. Aslıhan Yener, and Ryan Mathur. "Mineralogical Analysis of the Kestel Mine: An Early Bronze Age Source of Tin Ore in the Taurus Mountains, Turkey." Minerals 11, no. 1 (January 19, 2021): 91. http://dx.doi.org/10.3390/min11010091.

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Since its discovery in 1987, the Early Bronze Kestel Mine has been a topic of archaeological and geological controversy. The initial interpretation of the extensive marble-hosted galleries as the oldest known tin mine was challenged due to the low tin grade in remaining hematite-quartz veins, and it was suggested that Kestel was more likely mined for gold. Mineralogical analysis of the remaining mineralization was compared to a heavy mineral concentrate extracted from the soil preserved within the mine. The compositionally complex, arsenate-rich mineral assemblage from the mine sediment, contrasts with that of the remaining surface mineralization. Thus, the outcropping veins do not represent the nature of the extracted ore. Only one grain of gold was found in the heavy mineral concentrate, whereas cassiterite composed 1.5% of the sample. Cassiterite occurs in complex assemblages with arsenates, clays, hematite, quartz, and dolomite, bearing resemblance to hematite-arsenate tin mineralization that occurs near Kayseri, 60 km to the northeast. These findings indicate that although gold was a trace component of the Kestel ore, cassiterite was the mineral of interest to the Early Bronze Age miners, and that Kestel represents the earliest evidence thus far for an emerging pattern of local tin exploitation.
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Lynn, Nandy, and Bruce Hanson. "Designing a Cellular Organization: A Case Study of Sense Making at the National Prosperity Gold Production Group Ltd." South Asian Journal of Business and Management Cases 4, no. 1 (June 2015): 52–61. http://dx.doi.org/10.1177/2277977915574038.

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The country of Myanmar opened up to the outside world a little over three years ago. As part of that process, many of the industries in the country changed hands from state owned to private. Such was the case with large-scale gold mine, which had formerly been explored by a Canadian company with mining experience and restored under the government to indigenous control. In early September 2011, tender bids from citizens were invited for the concession rights of the mine. There had been about 300,000 illegal miners working in the restricted area, but were being kicked out as the new operator took over the mine. There were many challenges, each answered by trial and error of the National Prosperity Gold Production Group. One of the current challenges is to maintain continuous production to fulfil the payment schedule to the government. This case is a constantly unfolding situation of sense making that the National Prosperity is trying its best to successfully operate the mine.
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Zhao, Zijiang, Takaji Wakita, and Kotaro Yasui. "Inoculation of Plasmids Encoding Japanese Encephalitis Virus PrM-E Proteins with Colloidal Gold Elicits a Protective Immune Response in BALB/c Mice." Journal of Virology 77, no. 7 (April 1, 2003): 4248–60. http://dx.doi.org/10.1128/jvi.77.7.4248-4260.2003.

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ABSTRACT We established a simple and effective method for DNA immunization against Japanese encephalitis virus (JEV) infection with plasmids encoding the viral PrM and E proteins and colloidal gold. Inoculation of plasmids mixed with colloidal gold induced the production of specific anti-JEV antibodies and a protective response against JEV challenge in BALB/c mice. When we compared the efficacy of different inoculation routes, the intravenous and intradermal inoculation routes were found to elicit stronger and more sustained neutralizing immune responses than intramuscular or intraperitoneal injection. After being inoculated twice, mice were found to resist challenge with 100,000 times the 50% lethal dose (LD50) of JEV (Beijing-1 strain) even when immunized with a relatively small dose of 0.5 μg of plasmid DNA. Protective passive immunity was also observed in SCID mice following transfer of splenocytes or serum from plasmid DNA- and colloidal gold-immunized BALB/c mice. The SCID mice resisted challenge with 100 times the LD50 of JEV. Analysis of histological sections detected expression of proteins encoded by plasmid DNA in the tissues of intravenously, intradermally, and intramuscularly inoculated mice 3 days after inoculation. DNA immunization with colloidal gold elicited encoded protein expression in splenocytes and might enhance immune responses in intravenously inoculated mice. This approach could be exploited to develop a novel DNA vaccine.
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Olebogeng, David Daw. "Challenges and Opportunity of Housing for Black Miner in South Africa." European Journal of Economics and Business Studies 6, no. 1 (January 1, 2020): 28. http://dx.doi.org/10.26417/ejes.v6i1.p28-36.

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Mine companies are experiencing a change in the political system of the country (South Africa). This political change from apartheid government to the government of Democratic has brought about a totally different system of government; this change has led to the transformation of mines companies from employment section to housing of mineworkers from their operation system, how are the mines companies / houses dealing with this change? Changes in the political and economy of the gold mining in the 1970s - 1980s have prompted management to begin moving away from migratory labour and implementing alternative accommodation strategies for black mine workers. The paper aims to provide some understanding of the current housing situation and housing needs of mineworkers more than a decade after the abolition of the legislation which had shaped the living environments of mineworkers in South Africa, and will look at the different I alternative approaches for housing black mine workers and how they can afford housing.
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Peña-Graf, Felipe, Javier Órdenes, Ryan Wilson, and Alessandro Navarra. "Discrete Event Simulation for Machine-Learning Enabled Mine Production Control with Application to Gold Processing." Metals 12, no. 2 (January 25, 2022): 225. http://dx.doi.org/10.3390/met12020225.

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Interdisciplinary barriers separating data scientists and geometallurgists have complicated systematic attempts to incorporate machine-learning into mine production management; however, experiences in excavating a vein-hosted gold deposit within the Alhué region of Chile have led to methodological advances, which is the subject of the current paper. These deposits are subject to several challenges, from increasing orebody complexity and decreasing gold grades to the significant geological uncertainty that is intrinsic to these systems. These challenges then translate to mineral processing, which is already dealing with increased environmental and technological constraints. Geological uncertainty causes stockout risks that can be mitigated by the approach that is developed within this paper, which features alternate operational modes and related control strategies. A digital twin framework based on discrete event simulation (DES) and a customized machine-learning (ML) model is proposed to incorporate geological variation into decision-making processes, including the setting of trigger point that induces mode changes. Sample calculations that were based on a simulated processing plant that was subject to mineralogical feed changes demonstrated that the framework is a valuable tool to evaluate and mitigate the potential risks to gold mineral processing performance.
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Price, Brian M., Adriane L. Liner, Sukjoon Park, Stephen H. Leppla, Alfred Mateczun, and Darrell R. Galloway. "Protection against Anthrax Lethal Toxin Challenge by Genetic Immunization with a Plasmid Encoding the Lethal Factor Protein." Infection and Immunity 69, no. 7 (July 1, 2001): 4509–15. http://dx.doi.org/10.1128/iai.69.7.4509-4515.2001.

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ABSTRACT The ability of genetic vaccination to protect against a lethal challenge of anthrax toxin was evaluated. BALB/c mice were immunized via gene gun inoculation with eucaryotic expression vector plasmids encoding either a fragment of the protective antigen (PA) or a fragment of lethal factor (LF). Plasmid pCLF4 contains the N-terminal region (amino acids [aa] 10 to 254) of Bacillus anthracis LF cloned into the pCI expression plasmid. Plasmid pCPA contains a biologically active portion (aa 175 to 764) ofB. anthracis PA cloned into the pCI expression vector. One-micrometer-diameter gold particles were coated with plasmid pCLF4 or pCPA or a 1:1 mixture of both and injected into mice via gene gun (1 μg of plasmid DNA/injection) three times at 2-week intervals. Sera were collected and analyzed for antibody titer as well as antibody isotype. Significantly, titers of antibody to both PA and LF from mice immunized with the combination of pCPA and pCLF4 were four to five times greater than titers from mice immunized with either gene alone. Two weeks following the third and final plasmid DNA boost, all mice were challenged with 5 50% lethal doses of lethal toxin (PA plus LF) injected intravenously into the tail vein. All mice immunized with pCLF4, pCPA, or the combination of both survived the challenge, whereas all unimmunized mice did not survive. These results demonstrate that DNA-based immunization alone can provide protection against a lethal toxin challenge and that DNA immunization against the LF antigen alone provides complete protection.
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González-Valoys, Ana Cristina, Jonatha Arrocha, Tisla Monteza-Destro, Miguel Vargas-Lombardo, José María Esbrí, Efrén Garcia-Ordiales, Raimundo Jiménez-Ballesta, Francisco Jesús García-Navarro, and Pablo Higueras. "Environmental challenges related to cyanidation in Central American gold mining; the Remance mine (Panama)." Journal of Environmental Management 302 (January 2022): 113979. http://dx.doi.org/10.1016/j.jenvman.2021.113979.

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Macheke, Cecil, and Catherine Campbell. "Perceptions of HIV/AIDS on a Johannesburg Gold Mine." South African Journal of Psychology 28, no. 3 (September 1998): 146–53. http://dx.doi.org/10.1177/008124639802800304.

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Semi-structured interviews were conducted with 40 mine workers on a Johannesburg gold mine, focusing on workers' perceptions of health, HIV/AIDS and sexuality. The paper seeks to highlight a range of factors which might predispose mine workers to high-risk sexual behaviour, despite the fact that they had all attended HIV-education programmes. These factors are presented within a framework that views the process of sexual decision making as a debating process - in which competing facts and beliefs are weighed up against one another - within the context of a range of normative and social parameters. Firstly, attention is given to a number of pre-existing perceptions and doubts which may blunt the force of the facts that HIV educational messages seek to impart to this particular group of people. These include a lack of perceived urgency regarding the treatment of sexually transmitted diseases (STD's), a commitment to ‘flesh-to-flesh’ sex, a dislike of condoms, and faith in the ability of traditional healers to cure a range of STD's and possibly also HIV/AIDS. Secondly, attention is given to the normative context of sexuality, and in particular the way in which norms of masculinity predispose people to high-risk sexual behaviour. Finally, the paper focuses on some aspects of social and occupational life on the mines as the context within which sexual relationships are conducted. These include the phenomenon of single sex hostels, an acceptance of high levels of disease and accidents as the norm, and the use of alcohol. The paper concludes with a discussion of the challenges these findngs pose for a peer education programme which is shortly to be implemented in the mining context.
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Dissertations / Theses on the topic "Challenger Gold Mine"

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Rowett, C. E. "Nature and timing of brittle structures at the Challenger Gold Mine." Thesis, 2010. http://hdl.handle.net/2440/106234.

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The Challenger Gold Mine in the western Gawler Craton exhibits brittle deformation features that post-date mineralisation. This study has looked at the geometric relationships of the observed joint sets and has identified a dominant shallowly north-east dipping thrust fault package with a crosscutting vertical joint set. In the 880rL, a lamprophyric sill is emplaced within the shallowly north-east dipping fault.  Structural observations were made over 40 vertical metres in three of the underground mining levels the 920rL, the 900rL and the 880rL. Observations of these structural features culminated in the production of an interpreted 3D model using goCad® showing the connection of the fault package between the mapped levels. These observations in conjunction with alteration information and structural data showed that the fault network had a consistent dip across the package despite the undulations in the fault plane and that the series of splays observed linked the package together. The displacement and structural data both concluded that the shallowly north-east dipping fault network is a brittle deformation thrust system.  Three biotite samples from the lamprophyre were analysed using 39Argon/40Argon Thermochronology. Challenger-880-8 shows a plateau with 90% of cumulative 39Argon released between 1750 Ma and 1900 Ma. Challenger-880-9a produced a plateau using 55% cumulative 39Argon realised between 1800 Ma and 2100 Ma. Challenger-880-9b produces a plateau at 1860 Ma using five continuous steps where 45% of Cumulative 39Argon is released. Sample Challenger-880-9a provided an approximate crystallisation age of 1950 Ma. This is a coarser grained sample from close to the lamprophyre centre and produced a poorly defined plateau and consequently is thought to represent the minimum age of crystallisation. Challenger-880-9b and Challenger-880-8 both are fine grained samples from the chill margin of the lamprophyre and present ages of approximately 1860 Ma. This is interpreted as an age of structural significance associated with the Cornian Orogeny, illustrating reactivation along the fault package during the Paleoproterozic which had not been previously recognised in the western Gawler Craton.  The lamprophyre intruded into a pre-existing fault indicating that the shallowly north-east dipping fault package is older than 1950 Ma (the age of crystallisation). This provides information regarding the early-mid Paleoproterozoic in the western Gawler Craton.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2010
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Heyns, Gerhardus Petrus. "Challenges faced during implementation of a compressed air energy savings project on a gold mine / Gerhardus Petrus Heyns." Thesis, 2014. http://hdl.handle.net/10394/15289.

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MIng (Electrical and Electronic Engineering), North-West University, Potchefstroom Campus, 2015
Demand side management (DSM) initiatives have been introduced by Eskom to reduce the deficit between the electricity generation capacity and the electricity usage within the country. DSM projects enable Eskom to reduce electricity demand instead of increasing generation capacity. DSM projects are more economical and can be implemented much faster than constructing a new power station. One particular industry where DSM projects can be implemented is on mines. Mines consume about 14.5% of South Africa’s electricity. Producing compressed air, in particular, is one of the largest electricity users on mines. It consumes 17% of the electricity used on mines. The opportunity, therefore, arises to implement DSM projects on the compressed air system of mines. Not only do these projects reduce Eskom’s high electricity demand, but they also induce financial and energy savings for the mine itself. However, during the implementation of a compressed air energy savings project, various challenges arise. These include, among others, operational changes, control limitations, industrial actions and installation delays. All of these can lead to a project not being delivered on time, within budget or with quality results. The purpose of this study is to investigate and address various problems that occur during the implementation of such a compressed air energy savings project. The study shows that although these problems have an impact on the results achievable with the project, significant savings are still possible. Project savings are achieved by reducing the amount of compressed air that is supplied, thereby delivering sufficient compressed air while minimising the amount of compressed air being wasted. During this study, a gold mine’s compressed air network was optimised. The optimisation resulted in an evening peak-clip saving of 2.61 MW. This saving was achieved daily between 18:00 and 20:00 when Eskom’s electricity demand was at its highest. It is equivalent to an annual cost saving of R1.46 million based on Eskom’s 2014/2015 tariffs. When savings from all periods throughout the day are taken into account, the project will produce an annual cost saving of R1.91 million.
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Books on the topic "Challenger Gold Mine"

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A fool's gold?: William Tipple Smith's challenge to the Hargraves myth. Milton, Qld: Jacaranda Press, 1986.

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South Africa. Chief Directorate: Labour Market Policy. Gold mining's labour markets: Legacies of the past, challenges of the present. Pretoria, South Africa: Department of Labour, 1996.

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Sandler, Corey. Official Sega Genesis and Game Gear strategies, 3RD Edition. New York: Bantam Books, 1992.

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Tom, Badgett, ed. Official Sega Genesis and Game Gear strategies, 2ND Edition. Toronto: Bantam Books, 1991.

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Mcdermott, Leeanne. GamePro Presents: Sega Genesis Games Secrets: Greatest Tips. Rocklin: Prima Publishing, 1992.

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Inc, Game Counselor. Game Counselor's Answer Book for Nintendo Players. Redmond, USA: Microsoft Pr, 1991.

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Lee, Jae Hong. Gold Mine+: A Practical Strategy to Overcome Social Challenges of Poverty. Salem Author Services, 2020.

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Biker, Dirty, Db13 publishing, and John DOTY. Zen-Fully Challenged Golf: The Greatest Mind Game Become Master of Mind While Mastering the Greatest Mind Game Golf with Zen. Independently Published, 2021.

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1936-, Millett John, Institute of National Affairs, and PNG Chamber of Mines and Petroleum., eds. The Developing mineral sector: Opportunities and challenges ; papers submitted at a joint I.N.A. and PNG Chamber of Mines and Petroleum Seminar held in Port Moresby on 14 July 1987. Port Moresby, Papua New Guinea: Institute of National Affairs, 1987.

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Biker, Dirty, Db13 publishing, and John DOTY. Zen Fully Challenged Golf. Golf Zen for the Mental Game, and Life: The Greatest Mind Game Become Master of Mind While Mastering the Greatest Mind Game Golf with Zen. Independently Published, 2021.

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Book chapters on the topic "Challenger Gold Mine"

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Kriewaldt, Michael, Hitham Okasha, and Mohamed Farghally. "Sukari Gold Mine: Opportunities and Challenges." In Regional Geology Reviews, 577–91. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49771-2_20.

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Tyers, Ben. "Mini Golf Game Remake." In GameMaker: Studio 100 Programming Challenges, 99–100. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2644-5_50.

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Coetzee, Henk, Supi Tlowana, and Mosidi Makgae. "Flooding of the underground mine workings of the old Witwatersrand gold/uranium mining areas: acid mine drainage generation and long term options for water quality management." In Uranium - Past and Future Challenges, 317–24. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11059-2_37.

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Ilchik, Robert P., Phillip J. Uttley, Ross Corben, Alex Yongming Zhang, Andrew P. Ham, and Paul Hodkiewicz. "The Jinfeng gold deposit: A new mine leading the way for foreign investment in Guizhou Province, China." In Mineral Deposit Research: Meeting the Global Challenge, 1543–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_393.

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Signorelli, Serena, Matteo Fontana, Lorenzo Gabrielli, and Michele Vespe. "Challenges and Opportunities of Computational Social Science for Official Statistics." In Handbook of Computational Social Science for Policy, 195–211. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-16624-2_10.

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AbstractThe vast amount of data produced everyday (so-called digital traces) and available nowadays represent a gold mine for the social sciences, especially in a computational context, that allows to fully extract their informational and knowledge value. In the latest years, statistical offices have made efforts to profit from harnessing the potential offered by these new sources of data, with promising results. But how difficult is this integration process? What are the challenges that statistical offices would likely face to profit from new data sources and analytical methods? This chapter will start by setting the scene of the current official statistics system, with a focus on its fundamental principles and dimensions relevant to the use of non-traditional data. It will then present some experiments and proofs of concept in the context of data innovation for official statistics, followed by a discussion on prospective challenges related to sustainable data access, new technical and methodological approaches and effective use of new sources of data.
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Rawat, Shweta, and Sanjay Kumar. "The Feasibility Study of Green Microalgae Assisted Coal Mine Effluent Desalination." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022), 255–67. Dordrecht: Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_25.

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AbstractCarbon-neutral sustainable approaches are highly demanding in the coal energy sector. Coal mine effluent disposal is a severe challenge with crucial concern issues of salinity hazard and heavy metal contamination due to long-duration water and coal interaction. The medium to the high salinity of coal mine effluent leads towards irrigation unsuitability due to the negative impact upon infiltration and permeability of nutrients from the soil to plant. Focusing on the international irrigation water quality standards given by the Food and Agriculture Organization (FAO) of the United Nations, most coal mine effluents are considered negatively impacting crops, soil fertility, groundwater, and aquatic life. Therefore, the current study investigates the direct cultivation suitability of Chlorella pyrenoidosa to simultaneously treat coal mine effluent for salinity removal and biomass production. Initially, C. pyrenoidosa culture adaptation in varying concentrations of coal mine effluents (25%–100%) in coal mine effluent, which are collected from two different points of coal mine named as coal mine effluent 1 (CME1) and coal mine effluent 2 (CME2). Evaluating C. pyrenoidosa growth kinetics, it was observed that the doubling time extended from 2.25 days (100% BG-11 as a medium; control) to 4.33 days (100% CME as a medium). Interestingly, the highest value for biomass production was 1.78 ± 0.12 g/ L with 25% CME 1 supplemented with essential growth nutrients; this value lies near 100% BG11 supplemented growth, 1.81 ± 0.05 g/L. In the current study, taking salinity removal as a prime concern, 100% utilization of CME-2 in place of BG-11 medium was very significant for salinity reduction from 4.80 ± 0.50 mS/cm (initial) to 0.98 ± 0.02 mS/cm (final) during 14 days batch growth. In continuation of that, the significant finding was salinity reduction of both samples (50% and 75% sample) to the level of 0.7 mS/ cm, which lies under the FAO guidelines for irrigation. Present findings also revealed an alternative to conventional processes, i.e., thermal and membrane desalination. Microalgae-assisted desalination is a novel, energy-efficient, eco-sustainable, cost-effective, and long-term operational approach. It has good potential to treat medium to sub-optimal salinity of coal mine effluent coupled with high-value biomass production.
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Ramontja, Thibedi, Detlef Eberle, Henk Coetzee, Rüdiger Schwarz, and Axel Juch. "Critical Challenges of Acid Mine Drainage in South Africa’s Witwatersrand Gold Mines and Mpumalanga Coal Fields and Possible Research Areas for Collaboration Between South African and German Researchers and Expert Teams." In The New Uranium Mining Boom, 389–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22122-4_46.

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Dessertine, Anna. "Spatializing Social Change: Artisanal and Small-Scale Gold Mining in Upper Guinea." In Methodological Approaches to Societies in Transformation, 213–35. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65067-4_9.

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AbstractThis chapter proposes a spatial perspective on the analysis of social change in the making via a study of artisanal and small-scale gold-mining sites in Guinea based on twenty-two months of fieldwork between 2011 and 2019 in the region of Upper Guinea, where increasing numbers of inhabitants have been circulating between artisanal and small-scale mining sites to search for gold since the price of gold rose between 2008 and 2012. The chapter starts by discussing artisanal and small-scale mining spaces through the notion of hotspots of transition, insisting on their liminal character. This liminality is analyzed as a spatial framework in which new opportunities emerge regarding gender—women’s adoption of what is considered masculine behavior, for instance—and where instantaneity is more privileged than continuity in some actions, such as those associated with consumption. More generally, it shows how the potential for change in artisanal and small-scale mining spaces is closely linked to their ephemeral nature. The relationship between space and temporality is more explicitly discussed in the second part of the chapter, which explores how the ephemerality of artisanal and small-scale mining spaces has recently been challenged by the Guinean government’s move to control mining mobility and fix mining sites spatially by delimiting legal mining territories. Since 2015–2016, multiple military operations have been conducted to expel miners from land for which the Guinean State has given industrial companies legal permits to prospect for and mine gold. This part of the chapter analyzes the socio-spatial consequences of this situation and shows that perceptions of time and of social change are constructed by the forms that space take.
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Bijlsma, Tom. "What’s on the Human Mind? Decision Theory and Deterrence." In NL ARMS, 437–54. The Hague: T.M.C. Asser Press, 2020. http://dx.doi.org/10.1007/978-94-6265-419-8_23.

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AbstractIndeed, deterrence, as Freedman and Mazarr recount in this volume in respectively Chaps. 10.1007/978-94-6265-419-8_1 and 10.1007/978-94-6265-419-8_2, aims to dissuade an opponent from taking undesirable actions. Clear communication of demands (a red line for instance), coupled with a credible threat to inflict pain if necessary, and demonstration of resolve are some obvious essential elements for creating effective deterrence. Success crucially also depends on whether the opponent receives the intended signal, interprets it as intended, and has the perception that the message is congruent with reality, i.e., that the opponent can make good on her threats. Success furthermore assumes that the demands communicated are acceptable. If those prerequisites exist, theory suggests a rational actor will back down, after weighing the benefits of the envisioned actions versus the potential costs that may result when the threat is executed. This chapter offers a synthesis of insights that have appeared since the 1980s that fundamentally challenge that assumption of rationality. This contribution about the workings of the human mind concerns the various filters and cognitive shortcuts that colour the incoming stream of information and the processes to digest it and come to a decision.
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Richards, Joan L. "Robert Leslie Ellis: An Almost Perfect Moral Nature." In Studies in History and Philosophy of Science, 147–67. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85258-0_7.

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AbstractSophia De Morgan met Robert Ellis when he was a student at Cambridge, and ever-after remembered him to possess an “almost perfect moral nature.” Her response to the sickly young man was typical of the ways Victorians responded to invalids like John Keats or Elizabeth Barrett Browning. But Ellis was neither a poet nor a woman. In the case of Ellis, the evidence of his moral character lay in the facility with which he practiced mathematics. Throughout the eighteenth century, the success of Newtonian cosmology served the English as a guarantee that in mathematics they could align their thoughts with the mind of God and by so doing truly understand the world in which they lived. As they moved into the nineteenth century, however, this assurance of unity between the human and the divine was being challenged on many fronts. When Sophia attributed “an almost perfect moral character” to the sickly young man, she was recognizing him as an ally in a battle for England’s soul that centered on the nature of mathematics.
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Conference papers on the topic "Challenger Gold Mine"

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Waters, Peter, Kim Bennett, and B. Wingfield. "The Challenger gold story — do it once, do it well." In Mine Closure 2016. Australian Centre for Geomechanics, Perth, 2016. http://dx.doi.org/10.36487/acg_rep/1608_45_waters.

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Hills, Peter, Nick Raymond, and Marcus Doyle. "Empirical ground support and reinforcement design at Challenger Gold Mine." In International Seminar on Design Methods in Underground Mining. Australian Centre for Geomechanics, Perth, 2015. http://dx.doi.org/10.36487/acg_rep/1511_23_hills.

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Pabst, Robert. "BusinessForensics HQ: VAST Challenge Mini Challenge 1 award: “Good visualization”." In 2012 IEEE Conference on Visual Analytics Science and Technology (VAST). IEEE, 2012. http://dx.doi.org/10.1109/vast.2012.6400526.

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Bredenkamp, J. I. G., A. J. Schutte, and J. F. van Rensburg. "Challenges faced during implementation of a compressed air energy savings project on a gold mine." In 2015 International Conference on the Industrial and Commercial Use of Energy (ICUE). IEEE, 2015. http://dx.doi.org/10.1109/icue.2015.7280242.

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Collyard, Jeremy, and Thomas Patterson. "The future of Good Samaritan legislation related to the legacy of hardrock mining in the United States and the challenges it poses for our social license to operate." In 14th International Conference on Mine Closure. QMC Group, Ulaanbaatar, 2021. http://dx.doi.org/10.36487/acg_repo/2152_05.

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Latief, Juraid, Syahir Natsir, Mery Napitupulu, Asriani Hasanuddin, and Ibnu Khaldun. "Impact Analysis of the People's Gold Mine on Economic, Socio-Cultural, and Public Health in Poboya, Central Sulawesi." In International Conference on Environmental Awareness for Sustainable Development in conjunction with International Conference on Challenge and Opportunities Sustainable Environmental Development, ICEASD & ICCOSED 2019, 1-2 April 2019, Kendari, Indonesia. EAI, 2019. http://dx.doi.org/10.4108/eai.1-4-2019.2287244.

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Choo, Jaegul, Emily Fujimoto, Hanseung Lee, and Pedro R. Walteros. "Timeline analysis of undercover activities VAST 2009 traffic mini challenge award: Good analytical technique." In 2009 IEEE Symposium on Visual Analytics Science and Technology. IEEE, 2009. http://dx.doi.org/10.1109/vast.2009.5334460.

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Cao, Gaojing, Xiangzeng Wang, Lei Nie, Yaoqiang Hu, Yundong Xie, Gayatri Kartoatmodjo, Paul Williams, et al. "Digital Enablement Through Effective Deployment and Commissioning of Instrumentation, Supervisory Control and Data Acquisition System SCADA in Surface Facilities." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/208210-ms.

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Abstract In the era of all-encompassing Big Data and the Internet of Things (IoT), mastery of Instrument Control (I&C) and SCADA systems deployment is becoming more important as the Operational Technology (OT) foundation for digital integration, data gathering, processing, analytics, and the optimization of business results. Integration and communication between different I&C and SCADA products and systems in an Oil and Gas project represent a significant challenge. The issues encountered on projects globally can prolong project schedules from weeks to months with consequential impacts on commercial gas production, project cash flow, and economics. This paper presents how to enable digital operations through holistic design, well-organized kickoff, effective Integrated Factory Acceptance Test (IFAT), and timely commissioning of I&C and SCADA systems for surface facilities of a gas field development project. It provides a feasible, economical and proven solution to address the foregoing challenges. Furthermore, in this paper we present a snapshot of how to use the latest data-science technology to bring out the value of the gold mine - big data generated by the I&C and SCADA systems.
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Liu, Zhicheng, Carsten Gorg, Jaeyeon Kihm, Hanseung Lee, Jaegul Choo, Haesun Park, and John Stasko. "Data ingestion and evidence marshalling in Jigsaw VAST 2010 Mini Challenge 1 award: Good support for data ingest." In 2010 IEEE Symposium on Visual Analytics Science and Technology (VAST 2010). IEEE, 2010. http://dx.doi.org/10.1109/vast.2010.5653042.

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Shi, Lei, Qi Liao, and Chunxin Yang. "Investigating network traffic through compressed graph visualization: VAST 2012 Mini Challenge 2 award: “Good adaptation of graph analysis techniques”." In 2012 IEEE Conference on Visual Analytics Science and Technology (VAST). IEEE, 2012. http://dx.doi.org/10.1109/vast.2012.6400517.

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Reports on the topic "Challenger Gold Mine"

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Corriveau, L., J. F. Montreuil, O. Blein, E. Potter, M. Ansari, J. Craven, R. Enkin, et al. Metasomatic iron and alkali calcic (MIAC) system frameworks: a TGI-6 task force to help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329093.

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Australia's and China's resources (e.g. Olympic Dam Cu-U-Au-Ag and Bayan Obo REE deposits) highlight how discovery and mining of iron oxide copper-gold (IOCG), iron oxide±apatite (IOA) and affiliated primary critical metal deposits in metasomatic iron and alkali-calcic (MIAC) mineral systems can secure a long-term supply of critical metals for Canada and its partners. In Canada, MIAC systems comprise a wide range of undeveloped primary critical metal deposits (e.g. NWT NICO Au-Co-Bi-Cu and Québec HREE-rich Josette deposits). Underexplored settings are parts of metallogenic belts that extend into Australia and the USA. Some settings, such as the Camsell River district explored by the Dene First Nations in the NWT, have infrastructures and 100s of km of historic drill cores. Yet vocabularies for mapping MIAC systems are scanty. Ability to identify metasomatic vectors to ore is fledging. Deposit models based on host rock types, structural controls or metal associations underpin the identification of MIAC-affinities, assessment of systems' full mineral potential and development of robust mineral exploration strategies. This workshop presentation reviews public geoscience research and tools developed by the Targeted Geoscience Initiative to establish the MIAC frameworks of prospective Canadian settings and global mining districts and help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. The knowledge also supports fundamental research, environmental baseline assessment and societal decisions. It fulfills objectives of the Canadian Mineral and Metal Plan and the Critical Mineral Mapping Initiative among others. The GSC-led MIAC research team comprises members of the academic, private and public sectors from Canada, Australia, Europe, USA, China and Dene First Nations. The team's novel alteration mapping protocols, geological, mineralogical, geochemical and geophysical framework tools, and holistic mineral systems and petrophysics models mitigate and solve some of the exploration and geosciences challenges posed by the intricacies of MIAC systems. The group pioneers the use of discriminant alteration diagrams and barcodes, the assembly of a vocab for mapping and core logging, and the provision of field short courses, atlas, photo collections and system-scale field, geochemical, rock physical properties and geophysical datasets are in progress to synthesize shared signatures of Canadian settings and global MIAC mining districts. Research on a metamorphosed MIAC system and metamorphic phase equilibria modelling of alteration facies will provide a foundation for framework mapping and exploration of high-grade metamorphic terranes where surface and near surface resources are still to be discovered and mined as are those of non-metamorphosed MIAC systems.
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