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Journal articles on the topic 'Gold mines and mining'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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1

Lyatuu, Isaac, Mirko S. Winkler, Georg Loss, Andrea Farnham, Dominik Dietler, and Günther Fink. "Estimating the mortality burden of large scale mining projects—Evidence from a prospective mortality surveillance study in Tanzania." PLOS Global Public Health 1, no. 10 (2021): e0000008. http://dx.doi.org/10.1371/journal.pgph.0000008.

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We set up a mortality surveillance system around two of the largest gold mines in Tanzania between February 2019 and February 2020 to estimate the mortality impact of gold mines. Death circumstances were collected using a standardized verbal autopsy tool, and causes of death were assigned using the InSilicoVA algorithm. We compared cause-specific mortality fractions in mining communities with other subnational data as well as national estimates. Within mining communities, we estimated mortality risks of mining workers relative to other not working at mines. At the population level, mining comm

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2

Rebolledo Monsalve, Eduardo, Pedro Jiménez Prado, Jon Molinero Ortiz, and Theofilos Toulkeridis. "Differences in Fish Abundance in Rivers under the Influence of Open-Pit Gold Mining in the Santiago-Cayapas Watershed, Esmeraldas, Ecuador." Water 14, no. 19 (2022): 2992. http://dx.doi.org/10.3390/w14192992.

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Illegal gold mining is on the rise in the tropical Andes. The Santiago-Cayapas watershed is located in the north of the Pacific basin of Ecuador, in the Chocó biogeographical region. It is recognized for its high biodiversity, as 62 fish species have been described in the area, and because it contains two of the largest protected areas in the Pacific coast of Ecuador: the mangroves of the Cayapas and Mataje Rivers and the Cotacachi-Cayapas Ecological Reserve. Open-pit gold mining has been described in the area since 2006 and most mining fronts operate illegally and lack any environmental contr

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3

Grover, A. K. "The Ancient Metal Miners of Vadnagar, Delwara and Mandli, Western India." Journal of the Geological Society of India 100, no. 2 (2024): 233–40. http://dx.doi.org/10.17491/jgsi/2024/173822.

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Abstract India is dotted with myriads of ancient metal mines or old workings in almost all the states, some of which have great antiquity (&gt;4,000 yrs) and reaching considerable depth (upto 260 m). These stand as testimony to the mining skill of our ancestors, especially in the absence of mining tools. Several of these old metal mines, when explored by modern methods have yielded sizable deposits e.g. Hutti, Bhukia (gold), Rajpura-Dariba (multi-metal), Agucha (lead-zinc-silver), Agnigundala (lead-copper), Khetri (copper), etc. A few ancient Indian treatises describe the processes of meta

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Ermolaev, A. N. "GOLD MINING IN SALAIR IN THE LATE XIX – EARLY XX CENTURIES." Bulletin of Kemerovo State University, no. 4 (December 23, 2018): 32–38. http://dx.doi.org/10.21603/2078-8975-2018-4-32-38.

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The research determines the dynamics of gold mining and identifies the specifics of the development of the gold industry in Salair in the late XIX – early XX centuries. The Salair ridge was then under the jurisdiction of the Cabinet of His Imperial Majesty. At the end of the XIX century, the Cabinet spent a lot of money on geological survey of the ridge and invested in the development of the local gold mines. The extraction of gold during this period fluctuated within 6–8 poods (1 pood = 16 kg). At the beginning of the XX century, the Cabinet leased the Salair mines to private entrepreneurs an

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Wang, Wei Zhi, and Chun Guang Yang. "Comprehensive Utilization and Resources of Gold Mining Tailings." Key Engineering Materials 480-481 (June 2011): 1438–41. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.1438.

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The gold mine discharges tailings massively every day,which results in gold and useful metal draining,simultaneously brings the enormous harm to the environment The approach to comprehensive utilization of tailings of gold mines, including recycle of usable mineral and direct use of ore tailings,is analyzed in the paper, laying a foundation for continuous development of gold mines，comprehensive utilization of resource，and protection of environment.

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Redwood, Stewart D. "The history of mining and mineral exploration in Panama: From Pre-Columbian gold mining to modern copper mining." Boletín de la Sociedad Geológica Mexicana 72, no. 3 (2020): A180720. http://dx.doi.org/10.18268/bsgm2020v72n3a180720.

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The history of mining and exploration in Panama is a case study of the evolution of mining in a tropical, island arc environment in the New World from prehistoric to modern times over a period of ~1900 years. Panama has a strong mineral endowment of gold (~984 t), and copper (~32 Mt) resulting in a rich mining heritage. The mining history can be divided into five periods. The first was the pre-Columbian period of gold mining from near the start of the Current Era at ~100 CE to 1501, following the introduced of gold metalwork fully fledged from Colombia. Mining of gold took place from placer an

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Hehamahua, Hayati. "Bagi Hasil Tambang Emas dalam Perspektif Ekonomi Islam (Studi Pada Tambang Emas Gogorea Kec.Waeapo. Kab.Buru)." e-Journal Ekonomi Bisnis dan Akuntansi 7, no. 2 (2020): 159. http://dx.doi.org/10.19184/ejeba.v7i2.19597.

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The Gogorea Village Gold Mine is located on the eucalyptus area of the village of Gogorea, which is the owner of the heir of King Liliyali. Community gold mining that occurs in the Mount Botak gold mining area is a lesson for the owner of the Gogorea gold mine to make local rules or laws in managing gold mines. This study aims to determine the profit sharing system of gold mining management between miners and gold mining area owners from an Islamic economic perspective with a qualitative approach. Humans only borrow and use natural resources that Allah has provided, and have no right to contro

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McCutcheon, Steven R., and James A. Walker. "Great Mining Camps of Canada 8. The Bathurst Mining Camp, New Brunswick, Part 2: Mining History and Contributions to Society." Geoscience Canada 47, no. 3 (2020): 143–66. http://dx.doi.org/10.12789/geocanj.2020.47.163.

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In the Bathurst Mining Camp (BMC), 12 of the 45 known massive sulphide deposits were mined between 1957 and 2013; one was mined for iron prior to 1950, whereas three others had development work but no production. Eleven of the deposits were mined for base metals for a total production of approximately 179 Mt, with an average grade of 3.12% Pb, 7.91% Zn, 0.47% Cu, and 93.9 g/t Ag. The other deposit was solely mined for gold, present in gossan above massive sulphide, producing approximately one million tonnes grading 1.79 g/t Au. Three of the 11 mined base-metal deposits also had a gossan cap, f

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Краденых, Ирина, Irina Kradenykh, Алексей Барчуков, and Alyeksyey Barchukov. "Organization and management of gold mines activity under exploration of placer mines." Russian Journal of Management 4, no. 2 (2016): 108–18. http://dx.doi.org/10.12737/19751.

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For the purpose to achieve the growth of efficiency of gold mines it is necessary to wipe out the lag in technological expansion and development, provide high quality of mining and recycling of gold-blearily rock as well as realize organization adjustment, suggest reconstruction of business activity and change of existing system of management.

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10

Farlan, Edi, Indra Indra, and Ahmad Humam Hamid. "Dampak Pertambangan Emas Tradisional Terhadap Perubahan Sosial Ekonomi Masyarakat Di Gampong Mersak Kecamatan Kluet Tengah Kabupaten Aceh Selatan." Jurnal Ilmiah Mahasiswa Pertanian 1, no. 1 (2016): 329–36. http://dx.doi.org/10.17969/jimfp.v1i1.1255.

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During the existence of the traditional gold mining in the Mersak Village subdisdtrict of Central Kluet district South Aceh has been a lot changes in local community life. The research methodology used is descriptive method with qualitative approach. Data collection techniques used were interviews, observation, and literature study. Informants in this study consisted of village officials, community leaders and the community of gold miners. Data analysis technique used is the technique of interactive analysis by Milles and Huberman form of data reduction, data presentation and verification / co

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Sari, Melta Ardila, Ardi Abbas, and Darmairal Rahmad. "DARI PETANI KE PENAMBANG; PERUBAHAN SOSIAL EKONOMI DI JORONG KOTO PANJANG, NAGARI LIMO KOTO, KABUPATEN SIJUNJUNG." Jurnal Ilmu Sosial Mamangan 2, no. 1 (2013): 15–21. http://dx.doi.org/10.22202/mamangan.v2i1.1368.

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This paper discusses the socio-economic changes are turning farmers livelihoods to miners in Jorong Koto Panjang. This reasearch background of the rice made in gold mines so that a shift of livelihoods, and cousing consumer behavior. The mining activities are at risk of exhaustion of the gold content, on the one hand the life of the community is still running. This condition has implications for the socioeconomic status of the family owners of the fields after the gold miner. Therefore, in this paper seeks to unravel the activities of miners, and to describe the socio-economic conditions of th

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Wittwer, Paul D. "Epithermal Precious Metal Deposits in South Korea—History and Pursuit." SEG Discovery, no. 125 (April 1, 2021): 19–26. http://dx.doi.org/10.5382/segnews.2021-125.fea-01.

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Abstract The gold and silver endowment of Korea has historically been well known, with records alluding to production as far back as 1122 BC. The main gold production period was from 1925 to 1943 during the Japanese occupation of Korea, with more than 1 Moz recorded in 1939. Muguk was the most productive gold mining operation, located within the central region of South Korea, with a recorded 590 koz of gold produced from 1934 to 1998 (first mined in AD 912). The majority of the historical mining operations were closed by government order in 1943 during the Second World War and never reopened.

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13

Li, Yang, Guoyan Zhao, Pan Wu, and Ju Qiu. "An Integrated Gray DEMATEL and ANP Method for Evaluating the Green Mining Performance of Underground Gold Mines." Sustainability 14, no. 11 (2022): 6812. http://dx.doi.org/10.3390/su14116812.

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Green mining (GM) can achieve the harmonious development of mineral resource exploitation and environmental protection. Performance evaluation is the key to promoting GM. This research explores favorable methods to evaluate the green mining performance (GMP) of underground gold mines. First, according to the specific characteristics of underground gold mines, an evaluation criteria system for GM is formulated. Meanwhile, the weights are calculated using an integrated gray DEMATEL and ANP technique, which considers the correlation between indicators. Subsequently, the solution methodology for p

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14

Mwendwa, Philip K. "Women participation in artisanal gold mining: A case of macalder mines, Kenya." Journal of Environmental Sciences and Technology (JEST) 2, no. 1 (2023): 79–89. http://dx.doi.org/10.51317/jest.v2i1.340.

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The aim of the study is to determine women's participation in artisanal gold mining in Macalder mines in Migori County, which is found in Southwestern Kenya. A mixed-method research design was used in the study to collect and analyse both qualitative and quantitative data. Purposive and snowball non-probability sampling methods were used to select the sample size since there is no proper data on the number of women involved in artisanal gold mining. A questionnaire survey and focus group discussions were used to collect data from the respondents. Descriptive statistics and inferential statisti

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Bolay, Matthieu. "Disentangling Mining and Migratory Routes in West Africa: Decisions to Move in Migranticised Settings." Social Inclusion 9, no. 1 (2021): 235–46. http://dx.doi.org/10.17645/si.v9i1.3715.

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This article scrutinizes the trajectories of African men whose cross-border movements intersect two types of mobility routes: mining and migration routes. Drawing on field research in Mali and Guinea, as well as phone interviews with male miners/migrants in North Africa and Europe, this article provides a case to empirically question some of the premises in the approach to migration decision-making by giving a voice to African men moving across borders who do not necessarily identify as (prospective) ‘migrants.’ Building upon International Organization for Migration data and secondary sources,

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HINES, ELIZABETH, and MICHAEL SMITH. "THE RUSH STARTED HERE, PART III: ‘THE STREETS ARE PAVED WITH GOLD’—SPECULATION, GREED, AND DISAPPOINTMENT, 1849–2010." Earth Sciences History 42, no. 1 (2023): 41–62. http://dx.doi.org/10.17704/1944-6187-42.1.41.

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ABSTRACT Profitable gold mining began in the United States with the accidental discovery in 1799 of a seventeen-pound gold nugget in Cabarrus County, North Carolina. North Carolina’s gold production peaked between the 1830s and 1840s as hundreds of mines contributed hundreds of thousands of dollars a year to the national economy, necessitating the 1837 construction of a federal Branch Mint in Charlotte to process Piedmont gold. Gold mining suffered a major decline in North Carolina after the discovery of the richer and more extensive gold deposits in California in 1848. However, the North Caro

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Handley, M. "Where is all the gold?" Journal of the Southern African Institute of Mining and Metallurgy 123, no. 4 (2023): 175–92. http://dx.doi.org/10.17159/2411-9717/1902/2023.

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The Witwatersrand Basin contains by far the most gold ever found, and has hosted mining from its discovery in 1886 to the present. For many years, South Africa was the world's largest producer of gold, nearly all of which came from the Witwatersrand. Since 2000, South Africa has fallen back several positions because of declining gold output. There are many complex and varied reasons for this; however, declining gold resources in the Witwatersrand Basin are not one of them. As far as the author knows, there are no qualified estimates in the literature of gold remaining in the Witwatersrand Basi

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Sodhi-Berry, Nita, Nicholas de Klerk, Peter Franklin, et al. "O8A.3 Mining exposures and lung cancer in contemporary western australian miners." Occupational and Environmental Medicine 76, Suppl 1 (2019): A70.2—A70. http://dx.doi.org/10.1136/oem-2019-epi.189.

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ObjectivesMining is associated with exposures to various lung carcinogens such as diesel engine exhaust (DEE) and respirable crystalline silica (RCS). We aimed to determine if lung cancer incidence was higher in Western Australian (WA) miners than the general population and if risk varied within the cohort according to exposures and work or job types.MethodsExposure data for 1 72 398 miners living and working in WA between 1996 and 2013 was combined with administrative WA cancer and death data until June-2017. Causal Incidence Ratios (CIRs) were calculated for general population comparisons. H

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Elmardi Suleiman Khayal, Dr Osama Mohammed, and Dr Elhassan Bashier Elagab. "A REVIEW STUDY IN MINING INDUSTRY." International Journal of Engineering Applied Sciences and Technology 7, no. 6 (2022): 1–14. http://dx.doi.org/10.33564/ijeast.2022.v07i06.001.

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a comprehensive literature review of mining extraction and industry was made. The review discusses thoroughly mining industry from different viewpoints that includes general introduction, historical background of mining industry, mines development and life cycle, mining extraction techniques, machines used in mining processes, mineral processing, environmental effect on operators and the surrounding area, mining industry, safety precautions in mining industry, human rights abuses occurring within mining sites and communities in close proximity, mines records, metal reserves and recycling, and

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Sabadini, Samira Da Conceição, Úrsula De Azevedo Ruchkys, Leila Nunes Menegasse Velásquez, and Thiaggo De Castro Tayer. "Potencial de vulnerabilidade natural de aquíferos à contaminação no quadrilátero ferrífero, Minas Gerais e sua relação com a atividade minerária de ouro / Natural vulnerability of potential contamination to aquifers in the Iron Quadrangle (...)." Caderno de Geografia 27, no. 49 (2017): 340. http://dx.doi.org/10.5752/p.2318-2962.2017v27n49p340.

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<p>Este trabalho teve por objetivo analisar a vulnerabilidade natural dos aquíferos à contaminação na região do Quadrilátero Ferrífero (QF), Minas Gerais e mostrar sua relação com as atividades de mineração de ouro. As minas de ouro ocorrem associadas ao Supergrupo Rio das Velhas em sua paragênese clássica de sulfetos. Foi aplicado o método GOD utilizando Sistemas de Informações Geográficas (SIG) considerando os seguintes parâmetros inerentes ao método: Tipologia do aquífero; Litologia; Profundidade do lençol freático ou nível d’água. A análise do mapa de vulnerabilidade gerado e sua cor

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Nikol’sky, Alexander M., Sergey A. Shchukin, and Anton I. Konurin. "JUSTIFICATION OF UNDERGROUND TECHNOLOGY OF PLACER GOLD MINING IN THE FAR NORTH." Interexpo GEO-Siberia 2, no. 3 (2021): 342–53. http://dx.doi.org/10.33764/2618-981x-2021-2-3-342-353.

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A significant part of placer mineral deposits in the Arctic zone of Russia urges the need for its strategic development in the near and medium term. Applicably to underground mining of placer gold deposits, the problems of safe and efficient extraction of minerals by mines in the conditions of the Far North are considered. A substantiated choice of uncovering and mining technology for gold-bearing sand strata is proposed in the context of rational planning of mining operations associated with minimizing material and labor costs for uncovering and extracting a part of the deposit, as well as co

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Morony, Michael. "The Early Islamic Mining Boom." Journal of the Economic and Social History of the Orient 62, no. 1 (2019): 166–221. http://dx.doi.org/10.1163/15685209-12341477.

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AbstractThe present article shows that, according to archaeological and literary evidence, an expansion in mining occurred in the early Islamic world as a result of changes in mining technology at the end of Late Antiquity. The production of gold, silver, copper, iron, and other minerals is shown to have peaked in the eighth and ninth centuries and then to have declined during the tenth and eleventh centuries due to insecurity and/or exhaustion of the mines. Mining development was financed privately, and mines were usually private property.

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Szychowska-Krąpiec, Elżbieta. "Dendrochronological Studies of Wood from Mediaeval Mines of Polymetallic Ores in Lower Silesia (Sw Poland)." Geochronometria 26, no. -1 (2007): 61–68. http://dx.doi.org/10.2478/v10003-007-0004-3.

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Dendrochronological Studies of Wood from Mediaeval Mines of Polymetallic Ores in Lower Silesia (Sw Poland)The paper presents results of dendrochronological dating of wood encountered in abandoned mines in the eastern part of Lower Silesia. The research was carried out in gold mines in Złoty Stok, Głuchołazy, and Zlate Hory, a polymetallic-ore mine in Marcinków as well as old mines in the Sowie Mts: the Silberloch adit, an adit on the hillside of Mała Sowa, a graphite mine, and the silver and lead mine Augusta. Altogether 69 samples were taken from timbers of coniferous tree species:Pinus sylve

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Van Aswegen, H. J. "Tegnologie en gesondheid: myntering op die Witwatersrandse goudmyne, 1886-1920." New Contree 30 (November 30, 1991): 7. http://dx.doi.org/10.4102/nc.v30i0.601.

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Miners' phthisis was the most prevalent and most dreaded industrial disease on the gold mines of the Witwatersrand during the period from 1886 until 1920. There is a clear connection between the rising incidence in miners' phthisis and the use of modem technology such as mechanical rock drills. The drills caused a large amount of dust and thus made underground mining operations more dangerous. New technology was, however, also used to prevent dust and consequently contain the incidence of miners' phthisis. Up to 1920 these efforts were only partially successful because neither the state nor th

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Buyela, Charles, Paul Njogu, Gideon Kikuvi, Joseph Kamau, and Charles Mburu. "Occupational exposure risk to radiation in open cast artisanal and small-scale gold mining in Western Kenya." Journal of Agriculture, Science and Technology 21, no. 3 (2022): 22–29. http://dx.doi.org/10.4314/jagst.v21i3.3.

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Artisanal and small-scale gold mining (ASSGM) is practiced at open-cast gold mines in Western Kenya. Mining is still going on in deep mines, with huge tailings littering the workplace for most miners. This mining exercise brings to the surface myriad radioactive materials from the earth’s crust, which pose physical and radiation hazards to miners. The aim of this study was to determine occupational exposure to radiation at artisanal gold mining sites. Four sites were studied for a period of six months. Environmental radiation exposure levels were measured using the Geiger Mueller tube (GMT) mo

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Ahmed YM, Oruonye ED, and Abdulkadir Usman Adamu. "Dynamics of artisanal gold mining in Gashaka local government area of Taraba State, Nigeria." International Journal of Scientific Research Updates 2, no. 1 (2021): 001–9. http://dx.doi.org/10.53430/ijsru.2021.2.1.0033.

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Despite the fact that gold has been mined in Gashaka, Taraba State for over a century and has continued to present day in the area, not much is known about this activity and its associated environmental impact in the state. This study therefore, examines the dynamics of artisanal small scale gold mining activities in Gashaka Local Government Area of Taraba State, Nigeria. The study adopted survey research design approach which involves the use of direct fieldwork observation and interview of key informants. The findings of the study reveals that alluvial gold is mined along the streams and far

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Otchere-Darko, William, and Austin Dziwornu Ablo. "Labour power, materiality and protests in Ghana’s petroleum and gold mines." International Development Planning Review ahead-of-print (October 1, 2021): 1–27. http://dx.doi.org/10.3828/idpr.2021.24.

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We examine the role of resource materiality in extractive labour protests in Ghana. Focusing on petroleum and gold mining, we centre contestations as part of the resources’ socio-natural constituents. Research data was obtained from social conflict databases, newspapers and field interviews. The analysis focused on themes and discourses on protest emergence, mobilisation, negotiation and impacts. Findings show how petroleum labour protesters use passivity and chokepoints to impede gas supply to households. Ghana petroleum workers attempt to garner structural power through workplace power, albe

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Tun, Aung Zaw, Pokkate Wongsasuluk, and Wattasit Siriwong. "Heavy Metals in the Soils of Placer Small-Scale Gold Mining Sites in Myanmar." Journal of Health and Pollution 10, no. 27 (2020): 200911. http://dx.doi.org/10.5696/2156-9614-10.27.200911.

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Background. Artisanal and small-scale mining activities are widely practiced globally. Concentrations of heavy metals associated with gold, such as copper (Cu), zinc (Zn), arsenic (As), cadmium (Cd), mercury (Hg) and lead (Pb) can increase in the environment as a result of mining activities, leading to environmental pollution and pose toxicity risks to humans and animals. Objectives. The aim of the present study was to investigate soil concentrations of toxic heavy metals in placer small-scale gold mining operations in Myanmar. Methods. Soil samples were collected from three placer small-scale

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Paruki, Novia Rahmawati A., and Ahmad Ahmad. "Efektivitas Penegakan Hukum Tambang Ilegal." Batulis Civil Law Review 3, no. 2 (2022): 177. http://dx.doi.org/10.47268/ballrev.v3i2.966.

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Indonesia is a country rich in mines, such as gold, silver, petroleum, mines, etc. Mining must be carried out by the government or the private sector. Every mining company is required to obtain a permit as regulated in Government Regulation Number 4 of 2009 concerning Mineral Mining in conjunction with Government Regulation Number 23 of 2010 concerning the Implementation of Mineral Mining. In fact, not all companies have a license. There are so many companies operating illegally. One of them is gold mining without a permit (illegal) in Tonala Village, Gorontalo Regency. The specification of th

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Trench, Allan, Dirk Baur, Sam Ulrich, and John Paul Sykes. "Gold Production and the Global Energy Transition—A Perspective." Sustainability 16, no. 14 (2024): 5951. http://dx.doi.org/10.3390/su16145951.

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Gold is neither a critical mineral nor a metal that is central to the global energy transition in terms of demand from new energy production technologies. Yet, gold is unique among mined commodities for its role in financial markets and for its global production footprint including in numerous developing economies. Since the production of gold incurs CO2 emissions and other environmental risks including water pollution and land degradation, gold producers seek to adopt clean production solutions through electrification and renewable energy adoption. Further, gold’s unique role as a store of va

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WERTHMANN, KATJA. "GOLD MINING AND JULA INFLUENCE IN PRECOLONIAL SOUTHERN BURKINA FASO." Journal of African History 48, no. 3 (2007): 395–414. http://dx.doi.org/10.1017/s002185370700326x.

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ABSTRACTThe ‘Lobi’ region in what is today southern Burkina Faso is frequently mentioned in historical accounts of gold mining in West Africa. However, little is known about the actual location of the gold mines or about the way gold mining and trade were organized in precolonial times. This article points out that some previous hypotheses about precolonial gold mining, trade and the sociopolitical organization of this region are flawed, partly because ‘Lobi’, as the name for both the region and its inhabitants, is misleading. In fact, the references to ‘Lobi’ merge two distinct gold-producing

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Gough, Katherine V., Paul WK Yankson, and James Esson. "Migration, housing and attachment in urban gold mining settlements." Urban Studies 56, no. 13 (2018): 2670–87. http://dx.doi.org/10.1177/0042098018798536.

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Mining settlements are typically portrayed as either consisting of purpose-built housing constructed by mining companies to house their workers, or as temporary makeshift shelters built by miners working informally and inhabited by male migrants who live dangerously and develop little attachment to these places. This paper contributes to these debates on the social and material dynamics occurring in mining settlements, focusing on those with urban rather than rural characteristics, by highlighting how misconceived these archetypal portrayals are in the Ghanaian context. Drawing on qualitative

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Maruev, V. A. "THE CONGRESSES OF TRANSBAIKAL GOLD INDUSTRY ENTREPRENEURS IN 1898 – 1919." Bulletin of Kemerovo State University, no. 2 (June 29, 2017): 58–61. http://dx.doi.org/10.21603/2078-8975-2017-2-58-61.

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The article features an analysis of projects of congresses of gold miners in Transbaikal and correspondence concerning the organization of these congresses in 1898 – 1919. It is the first time a number of documents of the State Archive of Irkutsk region and the State Archive of the Transbaikal region have been examined. The article describes the history of the origin and development of the Congress of prospectors, as an independent institution. It illustrates the evolution of the role of the Congress as a body representing the collective interests of gold industry entrepreneurs. The article re

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Birch, C. C. "Optimizing cut-off grade considering grade estimation uncertainty - A case study of Witwatersrand gold-producing areas." Journal of the Southern African Institute of Mining and Metallurgy 122, no. 7 (2022): 1–10. http://dx.doi.org/10.17159/2411-9717/1403/2022.

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Due to grade estimation uncertainty, two statistical errors can occur. The Type I error is where material is classified as ore and mined, despite the true value being below the break-even grade. This material is dilution. The Type II error is where the material is estimated to be below the cut-off grade and is classified as waste, although the true grade is actually above the break-even grade. This material is not mined and is lost. The uncertainty was assumed to follow a normal distribution in a previous study. For this study, estimated block values are compared to those determined after mini

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Tran, Hieu Quang, Nam Xuan Bui, Hoang Nguyen, Tuan Anh Nguyen, and Long Quoc Nguyen. "Applicable posssibility of advanced technologies and equipment in surface mines of Vietnam." Journal of Mining and Earth Sciences 61, no. 5 (2020): 16–32. http://dx.doi.org/10.46326/jmes.ktlt2020.02.

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Vietnam has abundant and diversified mineral resources with more than 5, 000 mines of 60 discovered and exploited minerals. Besides of surface coal mines mainly located in Quang Ninh, the types of minerals being exploited by surface mining method consist of metal ores (iron, titanium, manganese, gold, zinc, copper, antimony) and non - metallic ores, and construction materials (stone, sand, gravel, etc.). In the paper, authors researched and proposed the advanced technologies and equipment based on Industry 4.0, that can apply effectively for surface mines in Vietnam in order to ensure safety a

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Svetlana Semenovna TIMOFEEVA, Laye Oumar SOUMAORO, and Kandas KEITA. "Artisanal gold mining in guinea and security concerns." World Journal of Advanced Research and Reviews 22, no. 1 (2024): 124–30. http://dx.doi.org/10.30574/wjarr.2024.22.1.1039.

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One of the continents richest in gold reserves is Africa. According to the World Bank, about 20 % of gold in African countries is still mined using artisanal methods. There is no officially recognized, generally accepted definition of artisanal small-scale gold mining. In essence, artisanal or small-scale gold mining is a labor-intensive, financially and technologically underdeveloped gold mining activity. Artisanal gold mining can be either informal, illegal, without state permission, or formal (legalized, streamlined). In the modern world, artisanal mining in African countries is experiencin

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Sangurmath, Prabhakar. "Hutti Gold Mines Co. Ltd.: The Pride of India Completes 75 Glorious Years." Journal of Geosciences Research 8, no. 1 (2023): 84. http://dx.doi.org/10.56153/g19088-022-0114-26.

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India's major gold producer is Hutti Gold Mines Co. Ltd. (HGML),a Govt of Karnataka undertaking. The HGML is active in the exploration, mining and metallurgy of Gold and Copper deposits of Karnataka. The Company's Corporate Office is situated in Bengaluru and operates two units –the Hutti Gold Unit (HGU) in Raichur district and Chitrdurga Gold Unit (CGU), Chitrdurga district, Karnataka. The world class Hutti Gold Mines, situated in Hutti, Lingsgur taluk, Raichur dist, Karnataka, owned by the Karnataka Government. In 1939, Hutti was a small village with hardly 60 to 70 huts & houses. Now, i

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Shakherov, Vadim. "Investment Policy of the State Bank of Russia as a Factor of Monopolization of the Siberian Gold Industry." Journal of Economic History and History of Economics 19, no. 3 (2018): 406–32. http://dx.doi.org/10.17150/2308-2588.2018.19(3).406-432.

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The article studies the issues of development of gold mining in the Leno-Vitimsky district in the late 19th - early 20th centuries. Monopolization of the fisheries has led to the emergence of large joint stock companies. Bank investments played a crucial role in expanding gold production and developing mining infrastructure. Lending to large gold industry contributed to the growth of the influence of the Irkutsk branch of the state Bank of Russia, increased its role in the economic life of the region. Large Bank investments led to the expansion of gold-bearing areas and contributed to the intr

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Das Jennifer, Praveena, and P. Porchelvan. "An approach to assessment of post mining-induced seismic hazard in Kolar Gold Fields mines – a review." Journal of Mines, Metals and Fuels 69, no. 3 (2021): 88. http://dx.doi.org/10.18311/jmmf/2021/27784.

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A common challenge faced in underground hardrock mines worldwide is post mining-induced seismicity, as the events have been quite disastrous, causing risk to the structures and lives. In the recent years, many of the worked out mining areas are slowly getting populated and in due course of time shall be posing environmental threat to the people residing above and to the surface structures like sudden void formations or sudden ground collapse becoming visible on the surface. Worked out or closed mines have most of the time shown existence of post mining-induced seismicity signatures. Some of th

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Chirif, Bruno Sanguinetti, Francisco Román Dañobeytia, and Gorka Atxuara. "Management and restoration of degraded areas by gold mining activity in madre de dios." South Florida Journal of Development 2, no. 4 (2021): 5925–28. http://dx.doi.org/10.46932/sfjdv2n4-072.

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This document synthesizes a model for the restoration of degraded areas by gold mining, developed between 2008 and 2016 by the Consortium Madre de Dios CMDD with the Florida University, and the support of the Government and People of the United States of America. This successful reforestation experience, continued by CMDD and CEDE, as well as by CINCIA, is part of an environmental management proposal, which with the support of communication tools and knowledge management has included the education of children with mental disabilities due to effects mercury contamination in alluvial gold mining

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Hewlett, L., D. Craw, and A. Black. "Comparison of arsenic and trace metal contents of discharges from adjacent coal and gold mines, Reefton, New Zealand." Marine and Freshwater Research 56, no. 7 (2005): 983. http://dx.doi.org/10.1071/mf05018.

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Historic gold and coal mines in the same catchment near Reefton, New Zealand allow comparison of environmental effects of the different mines in the same climate and topography. Gold mine discharge waters (neutral pH) deposit hydrated iron oxide (HFO) abundantly at mine entrances, whereas coal mine discharge waters (low pH) precipitate HFO tens to hundreds of metres downstream as pH rises. Waters leaving historic mines have up to 59 mg L−1 dissolved arsenic, and HFO at gold mines has up to 20 wt% arsenic. Coal mine discharge waters have low dissolved arsenic (typically near 0.01 mg L−1) and HF

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Amofah, Seth, Lily Agyare, Kingsley Adu Koranteng, and Emmanuel Junior Bioh. "From Mining to Shop Keeping; the New Way of Life of Gold Miners in Ghana." Journal of Advanced Research in Social Sciences 4, no. 4 (2021): 19–30. http://dx.doi.org/10.33422/jarss.v4i4.543.

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This paper explores how the closure of a century old commercial gold mines has changed the main source of livelihoods and social relations in Obuasi, Ghana. Two years after the mines were closed and almost all workers laid off, there was a paradoxical increase in new luxury residential houses nestling all around the town, and at the same time, there was no certainty in economic stability. Using qualitative research approaches, it was discovered that, the main priority of the laid-off mine workers was to build their own houses as symbol of continuity, the same as they enjoyed when they lived in

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Buyela, Charles, Paul Njogu, Gideon Kikuvi, Joseph Kamau, Charles Mburu, and Dan Westervelt. "Occupational safety and health hazards in artisanal gold mines in western and Nyanza region, Kenya." Journal of Agriculture, Science and Technology 21, no. 2 (2022): 55–65. http://dx.doi.org/10.4314/jagst.v21i2.5.

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Artisanal and small-scale gold mining (ASSGM) has experienced rapid growth due to mineral value and increasing poverty level in western and Nyanza regions in Kenya. The sub-sector has hazardous tasks occasioned by chemical exposures to such substances as mercury, physical strain and repetitive movements associated with extractive tasks challenge which vary from region to region and site to site. This paper reports findings of a study conducted on ASSGM in Kakamega (Roster mine and Ikolomani) and Migori (Masara-Suna West and Francis - Suna East) counties to assess workplace safety, health risk

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Zelyak, Vitaliy G. "Dynamics of gold mining in Siberia in 1920–1922." Vestnik Tomskogo gosudarstvennogo universiteta, no. 483 (2022): 102–7. http://dx.doi.org/10.17223/15617793/483/10.

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The article aims to analyze the dynamics of gold mining in Siberia in 1920–1922 years and to determine the role and importance of the Siberian gold industry on the all-Russian scale. This is achieved through a consistent research of the annual gold indicators in Siberia as a whole, as well as production indicators in each major gold mining region of Siberia (except for the territories that were part of the Far Eastern Republic). The dynamics of the number of employees engaged in gold mining in Siberia during this period is also studied. The main historiographic problem of the history of gold m

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Colwell, David, Thomas Henker, John Ho, and Kingsley Fong. "Real Options Valuation of Australian Gold Mines and Mining Companies." Journal of Alternative Investments 6, no. 1 (2003): 23–38. http://dx.doi.org/10.3905/jai.2003.319080.

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Siahaan, Antonius. "ANALYSING THE RELATION OF OPERATIONAL AND ECONOMIC PARAMETERS TO TOTAL SHAREHOLDER VALUE OF LISTED GOLD MINING COMPANIES IN INDONESIA AND FIVE OTHER COUNTRIES." Ultima Management : Jurnal Ilmu Manajemen 12, no. 2 (2020): 275–92. http://dx.doi.org/10.31937/manajemen.v12i2.1772.

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Even though Indonesia was famous due to its mineral resources, only few gold mining companies is listed in the Indonesia stock exchange. In the other hand, there is a need to increase investment in the mining sector from stock market as reserve has been stagnant while production keeps going. To understand the nature of published gold mining companies, this study is conducted to analyze the effect of published operational parameter: ore processed, gold production, mining grade, process recovery, as well as external factors such as gross-domestic product and gold price to the share return of pub

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Geenen, Sara, and Klara Claessens. "Disputed access to the gold sites in Luhwindja, eastern Democratic Republic of Congo." Journal of Modern African Studies 51, no. 1 (2013): 85–108. http://dx.doi.org/10.1017/s0022278x12000559.

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ABSTRACTIn a context of increased competition over natural resources, large-scale investors are showing renewed interest in eastern Congo's mineral resources. At the local level this is resulting in fierce disputes over access to land and to mining sites. This article offers an empirical study of access in Luhwindja, where a multinational mining company has recently begun to exploit gold. We first sketch the context, examining the overlapping legal fields and analysing how various actors gain and control access to the gold mines. Next we study how the arrival of Banro Corporation in Luhwindja

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Christopher, O. A., H. O. Obimba, I. T. Benibo, and L. O. Abegunde. "Potential Impacts of Flooding on Alluvial Gold Mining Activities in Parts of Ilesha-Egbe Gold Field, Osun State, Nigeria." International Journal of Research and Innovation in Applied Science VIII, no. XI (2023): 186–93. http://dx.doi.org/10.51584/ijrias.2023.81116.

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The study mapped mining communities in parts of Ilesha-Egbe gold field in Osun State, South-West (SW) Nigeria, with their respective mining sites, their elevation above sea level and the average depth of mining pits in meters. This was done with a view to determining the potential impacts of flooding on mining activities in these areas. Geological map from Nigeria Geological Survey Agency (NGSA), Advanced Space borne Thermal Emission and Reflection Radiometer- Global Digital Elevation Model (ASTER-GDEM) from Global Land Cover Facility (GLCF) and topographic map from Office of the Surveyor Gene

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Peterson, Garry D., and Marieke Heemskerk. "Deforestation and forest regeneration following small-scale gold mining in the Amazon: the case of Suriname." Environmental Conservation 28, no. 2 (2001): 117–26. http://dx.doi.org/10.1017/s0376892901000121.

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Despite scientific concern about Amazon deforestation and the impacts of the Amazon gold rush, few researchers have assessed the long-term impacts of small-scale gold mining on forest cover. This study estimates deforestation from gold mining and analyses the regeneration of abandoned mining areas in the Suriname Amazon. Fieldwork in December 1998 included observations and ecological measurements, as well as qualitative interviews with local miners about mining history and technology. Vegetation cover of abandoned mining sites of different ages was compared with that in old-growth forest. By p

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Van Eeden, Elize S. "Dorpsontwikkeling in die huidige munisipale gebied van Carletonville, 1937-1948." New Contree 27 (June 26, 2024): 5. http://dx.doi.org/10.4102/nc.v27i0.656.

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Ever since the pioneering days of white settlement in the Transvaal, the ward of Gatsrand has assumed an important position. Up to the time of the inception of the gold mining industry in the northern parts of the area, by 1937, the population was still largely agrarian. After that the gold mines there began to make an important contribution to the proclamation and development of towns. The article in particular emphasizes the manner in which one of these towns, Carletonville (established in 1948), developed as the main centre of the gold mining area. It also shows to what extent a lack of sup

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