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Journal articles on the topic 'Gold mines and mining – Zambia'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

Munene, Hyden. "Mining the Past: A Report of Four Archival Repositories in Zambia." History in Africa 47 (July 18, 2019): 359–73. http://dx.doi.org/10.1017/hia.2019.24.

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Abstract:Researchers and scholars have written on the history of mining in Zambia using a variety of sources and archives. But much of the history written from local archives has relied heavily on the National Archives of Zambia. Yet, important archival holdings for researchers of the history of Zambia’s mining industry also exist in the Zambia Consolidated Copper Mines Archive, the United National Independence Party Archive, and in the Mineworkers’ Union of Zambia Headquarters. These repositories house rich collections of data invaluable for understanding Zambia’s mining industry. Covering th

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2

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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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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4

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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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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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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7

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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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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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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10

Winardi, Winardi, Eko Haryono, Sudrajat Sudrajat, and Endang Sutariningsih Soetarto. "Potential of Soil Bacteria as Mercury Bioremediation Agent in Traditional Gold Mining." Biosaintifika: Journal of Biology & Biology Education 11, no. 1 (2019): 108–16. http://dx.doi.org/10.15294/biosaintifika.v11i1.16688.

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Mandor Village has developed as a tradisional gold mining area since years ago. It involved activities that have led to extreme land condition and the release of mining residues, i.e., mercury, to the soils. The study examined the potential of soil bacteria as mercury bioremediation agent based on their population and activity in former mines with different ages. The bacterial population was measured by isolating soil bacteria on solid media using the pour plate method, and the colonies were enumerated during the incubation. The Nutrient Agar (NA) medium was used to obtain the total population

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11

Kim, Yangkyun, and Sean S. Lee. "Application of Artificial Neural Networks in Assessing Mining Subsidence Risk." Applied Sciences 10, no. 4 (2020): 1302. http://dx.doi.org/10.3390/app10041302.

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Subsidence at abandoned mines sometimes causes destruction of local areas and casualties. This paper proposes a mine subsidence risk index and establishes a subsidence risk grade based on two separate analyses of A and B to predict the occurrence of subsidence at an abandoned mine. For the analyses, 227 locations were ultimately selected at 15 abandoned coal mines and 22 abandoned mines of other types (i.e., gold, silver, and metal mines). Analysis A predicts whether subsidence is likely using an artificial neural network. Analysis B assesses a mine subsidence risk index that indicates the ext

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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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13

Mainardi, Stefano. "Geological occurrence and economic feasibility in closing decisions by gold mines." South African Journal of Economic and Management Sciences 2, no. 2 (1999): 240–57. http://dx.doi.org/10.4102/sajems.v2i2.2576.

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With successful exploration of deposits often lagging behind mineral extraction, and the international price of gold showing no signs of recovery, mining companies are under pressure to reassess their strategies. The decision whether or not to close a mining activity is the outcome of a process of adapting expectations to a changing economic and geological environment. Part of the literature emphasizes the role of the mineral price and operating costs. However, the extent, pace and intertemporal allocation of metal recovery is in practice determined by a complex interaction of both these with

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LIANG, Wei-zhang, Guo-yan ZHAO, Hao WU, and Ying CHEN. "Optimization of mining method in subsea deep gold mines: A case study." Transactions of Nonferrous Metals Society of China 29, no. 10 (2019): 2160–69. http://dx.doi.org/10.1016/s1003-6326(19)65122-8.

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15

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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16

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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17

Kandasamyhariramguptha, Karthikeyan. "Socio-economic Impact of Unsystematic Mine Closure: A case of Kolar Gold Fields." Academic Research Community publication 3, no. 2 (2019): 26. http://dx.doi.org/10.21625/archive.v3i2.499.

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This paper aims to study the Socio-Economic impact of un-systematic mine closure on the community and the neighborhood which is completely dependent on the mining. The sudden closure of the mines will affect the community’s entire livelihood and has counter effect on health, employment, environment, population and economy. India as a developing nation with its rich minerals content contributes sufficient towards the economic growth of the mining industry but the livelihood of the mining workers and their family are always kept in high level of risk. The policies and acts to control un-planned

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18

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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19

D Franzmann, Peter, Rebecca B Hawkes, Christina M Haddad, and Jason J Plumb. "Mining with microbes." Microbiology Australia 28, no. 3 (2007): 124. http://dx.doi.org/10.1071/ma07124.

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As early as 166 AD, biotechnology was applied to the extraction of metals from ores in the copper mines of Cyprus, and in 1928 in Kennecott, USA, ?dump leaching? ? the use of microorganisms to extract copper from low grade mine waste material ? was conducted on commercial scale. It was not until 1947 that Colmer and Hinkle 1 demonstrated the role that microorganisms play in the oxidation of mineral sulfides for the release of metals in solution. Currently, 20% of annual global copper production results largely through the bioleaching of chalcocite (Cu2S). Many other metals, such as gold, cobal

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20

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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21

Morrell, Robert. "Farmers, Randlords and the South African state: Confrontation in the Witwatersrand Beef Markets, c. 1920–1923." Journal of African History 27, no. 3 (1986): 513–32. http://dx.doi.org/10.1017/s0021853700023306.

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The pervasive importance of gold mining in modern South Africa has become embedded in South African historiography. Despite this, little research has been done to ascertain its impact on the other major sector of the economy, agriculture.The gold mines had a profound effect upon one particular branch of agriculture – beef farming. The mines purchased large amounts of beef and were able to use their buying power to confront beef farmers in the marketplace. In the recession following the First World War, the mines were caught in a profitability crisis that was to lead to the Rand Revolt in 1922.

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22

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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23

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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Vent, Glenn. "ACCOUNTING FOR GOLD AND SILVER MINES: THE DEVELOPMENT OF COST ACCOUNTING." Accounting Historians Journal 13, no. 2 (1986): 77–88. http://dx.doi.org/10.2308/0148-4184.13.2.77.

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This study found evidence which supports the thesis that cost accounting techniques evolved rapidly during the last quarter of the nineteenth century. The cost accounting system employed by the leading mines of the Comstock Lode during the 1870's is compared to a system used in the Cripple Creek district of Colorado during the first decade of the twentieth century. The cost accounting techniques of the mining industry appear to have developed rapidly during this period from crude to sophisticated systems.

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Wilson, Paula A., and Fern Zabriskie. "When the Gold is Gone: Reporting of Asset Retirement Obligations for the Ultimate Cleanup of Closed Mining Operations." Accounting and the Public Interest 10, no. 1 (2010): 57–87. http://dx.doi.org/10.2308/api.2010.10.1.57.

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ABSTRACT: Hardrock mining companies contribute positively to the U.S. economy. However, they also cause serious degradation to the surrounding environment. According to the Environmental Protection Agency, hardrock mining companies are among the greatest polluters in the United States. Mining companies are responsible for satisfying legal obligations arising under environmental laws that include cleanup and exit costs for all mines shut down. These environmental liabilities are called asset retirement obligations and under FAS No. 143, U.S. mining operators are required to recognize their asse

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McCulloch, Jock. "Mining Evidence: South Africa’s Gold Mines and the Career of A. J. Orenstein." Social History of Medicine 31, no. 1 (2017): 61–78. http://dx.doi.org/10.1093/shm/hkx001.

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27

Smith, Matthew. "“Working in the grave”: Mining accidents on the Witwatersrand gold mines c1900–1940." South African Journal of Economic History 7, no. 2 (1992): 127–58. http://dx.doi.org/10.1080/20780389.1992.10417204.

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28

Idrobo, Nicolás, Daniel Mejía, and Ana María Tribin. "Illegal Gold Mining and Violence in Colombia." Peace Economics, Peace Science and Public Policy 20, no. 1 (2014): 83–111. http://dx.doi.org/10.1515/peps-2013-0053.

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AbstractThe increase in the international price of commodities after the international financial crisis in 2008 produced a gold rush in the Colombian economy, making legal and illegal mining a very profitable and attractive business. The increase in the illegal exploitation of metals like gold has exacerbated violence in municipalities with an abundance of such minerals. Gold is believed to be a new engine in the Colombian conflict. This paper documents the phenomenon and quantifies the causal impact that the gold boom has had on indicators of violence such as homicides, forced displacement an

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Zen’kov, I. V., E. V. Loginova, G. A. Karacheva, et al. "Investigation of the Formation of a Plant Ecosystem in the Territory of Gold Mining Mines in the Chelyabinsk Region." Ecology and Industry of Russia 25, no. 1 (2021): 49–53. http://dx.doi.org/10.18412/1816-0395-2021-1-49-53.

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The paper presents the results of a study of the ecological state of rock dumps and repositories of processed gold-bearing ore in the course of open-pit mining of gold deposits in the Chelyabinsk region. According to remote sensing data and analytical calculations, it was established that the rate of reclamation of disturbed lands lags behind the rate of their withdrawal for the needs of gold mining enterprises. In parallel with this, low levels of vegetation cover restoration coefficients were revealed on waste dumps.

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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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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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Xingwana, Lumkwana, Elroy E Smith, and Noxolo Eileen Mazibuko. "Working Environment and Employment Conditions and their Impact on Skills Shortage in South African Gold Mines." Journal of Economics and Management Sciences 2, no. 1 (2019): p1. http://dx.doi.org/10.30560/jems.v2n1p1.

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The purpose of the study was to examine the direct relationship and effect of human resource management practices (working environment and employment conditions) on perceived skills shortage among engineers, professionals, and supervisors in the South African gold mines. A sample of 300 engineers, professionals and supervisors was selected by purposive sampling from three selected South African gold mines. For the analysis of the data collected through a self-administered questionnaire, correlation and multiple regression were conducted using Social Package for Social Sciences, version 25. The

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Perinbam, B. Marie. "Perceptions of Bonduku's Contribution to the Western Sudanese Gold Trade: An Assessment of the Evidence." History in Africa 13 (1986): 295–322. http://dx.doi.org/10.2307/3171548.

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On his way back from Mossi country in 1888, Louis Binger visited Bonduku, principal town of the Akan state of Gyaman. Commenting erroneously on the city's antiquity, Binger nonetheless appropriately referred to Bonduku's association with gold mining and the gold trade with nearby towns such as Kong and Buna. The town's more distant trading partners, he continiued, included Jenne and other Niger bend towns. In effect, the saltgold trade, to which Binger was referring, extended from the Taghaza mines in the north (northern Mali, two day's journey from Taodeni), to the southerly mines in the Bond

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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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Hardi, Muhammad, and Mussadun Mussadun. "Pengendalian Tata Ruang Kawasan Pertambangan Terhadap Kegiatan Pertambangan Emas Ilegal di Kabupaten Pidie." JURNAL PEMBANGUNAN WILAYAH & KOTA 12, no. 1 (2016): 61. http://dx.doi.org/10.14710/pwk.v12i1.11457.

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Pidie District is one of the areas in Aceh Province which is rich in minerals such as gold, copper, iron sand, and other metal minerals. The potential for the mine has created a lot of illegal gold mining activities that cause negative effect for the spatial planning and the environment. The local government has been trying to control and supervision, but still not able to cope with illegal gold mining activities in the study area.Seeing these conditions, the authors conducted research entitled Spatial Control of Mining Areas Against Illegal Gold Mining Activity In Pidie District. This study u

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Seccatore, Jacopo, Lorenzo Magny, and Giorgio De Tomi. "Technical and operational aspects of tunnel rounds in artisanal underground mining." Rem: Revista Escola de Minas 67, no. 3 (2014): 303–10. http://dx.doi.org/10.1590/s0370-44672014000300010.

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In the world today, due to the current high price of gold, thousands of artisanal small-scale mines operate without the financial or technical capacity to upgrade their production methods, often using equipment and working methods that were forsaken decades ago in the conventional mining industry. This article illustrates, with a practical example, that it is possible to achieve the modern requirements of quality, safety and productivity, while operating with mining equipment that basically possesses the same characteristics as that employed in the 1950s. The operation involved the excavation

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Alfan, eka suardana, and Muhammad Fuad. "Study Amendment of Post-Field Classification of Illegal Gold in Kolaka Regency, Southeast Sulawesi Province." E3S Web of Conferences 73 (2018): 06016. http://dx.doi.org/10.1051/e3sconf/20187306016.

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Illegal mining activities in the kolaka regency of Southeast Sulawesi province is one of the mines whose location is in the conservation area of nature tourism park. Mining by means of dredging with an average depth of up to 15 meters and indiscriminate stockpiling after mining, using mercury chemicals (hg) so make the land damaged and unproductive, changes in the landscape and damage the physical properties of the soil that makes the soil pH becomes sour, so as to make soil quality low, dust texture increased and soil compaction that makes soil chemistry decreased, so can not support the grow

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Liu, Huanxin, Xingquan Liu, Zhuoying Tan, Yang Liu, and Guilin Li. "Improving the Stability of Subsurface Structures in Deep Metal Mines by Stress and Energy Adjustment: A Case Study." Advances in Civil Engineering 2021 (April 20, 2021): 1–12. http://dx.doi.org/10.1155/2021/6613985.

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In deep hard-rock mines, the failure of subsurface structures (e.g., tunnels, stopes, and shafts) has been a significant problem affecting mining safety due to the high-stress environment. In this paper, the mechanism of structural failure and instability is discussed, and optimized excavation methods are proposed for stress control in deep gold mines. Based on the field observation and investigation of the joints distribution and rock failure modes at 800–1200 m depth of several large gold mines and a typical ultradeep borehole (2017 m depth) in northwest Jiaodong Peninsula, three engineering

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Guo, Qi Feng, Fen Hua Ren, Sheng Jun Miao, and Xin Chen. "Application of Fuzzy Comprehensive Evaluation in Stope Structural Parameters Optimization." Applied Mechanics and Materials 256-259 (December 2012): 271–75. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.271.

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Alternate Room-Pillar Mining Method with Ascending Backfill is now used in deep mining of Sanshandao Gold Mine. In mining practice of the metal mines, the widths of the room and pillar vary from 6m to 15m. In order to improve the production capacity and solve the deep mining safety problems, a fuzzy optimization model containing 11 evaluation indexes was built to choose the optimal structural parameters among 8m×8m, 8m×10m, 10m×10m, 10m×12m and 12m×12m. The fuzzy comprehensive evaluation results prove that the optimal stope structural parameter is 10m×10m for safety and high efficiency mine op

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Stemn, Eric, Carmel Bofinger, David Cliff, and Maureen Hassall. "Investigating the Maturity of Incident Investigations of the Ghanaian Mining Industry and Its Effect on Safety Performance." Safety 5, no. 1 (2019): 3. http://dx.doi.org/10.3390/safety5010003.

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Effective incident investigations have been recognised as a vital means of improving safety. Nevertheless, there has been little attempt to link incident investigations to actual safety performance. In this study, a framework for assessing the maturity of incident investigations and identifying areas for improvements is described. The framework was developed based on a literature review and interviews with 41 investigators across five large-scale Ghanaian gold mines. The framework consists of 20 elements across four dimensions and five maturity levels. The dimensions (investigator competencies

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Usman Kaku, Dawuda, Yonghong Cao, Yousef Ahmed Al-Masnay, and Jean Claude Nizeyimana. "An Integrated Approach to Assess the Environmental Impacts of Large-Scale Gold Mining: The Nzema-Gold Mines in the Ellembelle District of Ghana as a Case Study." International Journal of Environmental Research and Public Health 18, no. 13 (2021): 7044. http://dx.doi.org/10.3390/ijerph18137044.

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The mining industry is a significant asset to the development of countries. Ghana, Africa’s second-largest gold producer, has benefited from gold mining as the sector generates about 90% of the country’s total exports. Just like all industries, mining is associated with benefits and risks to indigenes and the host environment. Small-scale miners are mostly accused in Ghana of being environmentally disruptive, due to their modes of operations. As a result, this paper seeks to assess the environmental impacts of large-scale gold mining with the Nzema Mines in Ellembelle as a case study. The stud

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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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Cando Jácome, Marcelo, A. M. Martinez-Graña, and V. Valdés. "Detection of Terrain Deformations Using InSAR Techniques in Relation to Results on Terrain Subsidence (Ciudad de Zaruma, Ecuador)." Remote Sensing 12, no. 10 (2020): 1598. http://dx.doi.org/10.3390/rs12101598.

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In Zaruma city, located in the El Oro province, Ecuador, gold mines have been exploited since before the colonial period. According to the chroniclers of that time, 2700 tons of gold were sent to Spain. This exploitation continued in the colonial, republican, and current periods. The legalized mining operation, with foreign companies such as South Development Company (SADCO) and national companies such as the Associated Industrial Mining Company (CIMA), exploited the mines legally until they dissolved and gave rise to small associations, artisanal mining, and, with them, illegal mining. Illega

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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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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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Higginson, John. "Privileging the Machines: American Engineers, Indentured Chinese and White Workers in South Africa's Deep-Level Gold Mines, 1902–1907." International Review of Social History 52, no. 1 (2007): 1–34. http://dx.doi.org/10.1017/s0020859006002768.

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Economists and historians have identified the period between 1870 and 1914 as one marked by the movement of capital and labor across the globe at unprecedented speed. The accompanying spread of the gold standard and industrial techniques contained volatile and ambiguous implications for workers everywhere. Industrial engineers made new machinery and industrial techniques the measure of human effort. The plight of workers in South Africa's deep-level gold mines in the era following the Anglo-Boer War of 1899–1902 provides a powerful example of just how lethal the new benchmarks of human effort

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Grebenyuk, Pavel S. "Russian Gold Mining Output in 1901-1917: A Source Studies Aspect." Herald of an archivist, no. 3 (2018): 679–91. http://dx.doi.org/10.28995/2073-0101-2018-3-679-691.

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This paper explores the problem of gold mining output in the Russian empire in 1901-1917 drawing on published and archival data. The aim of the study is to clarify indicators of gold mining production, since in the leading studies the data vary due to the peculiarities of metal accounting. It draws on published materials and archival documents of the State Institute for Design of Enterprises of Gold and Platinum Industry of the Glavzoloto of the People's Commissariat of Nonferrous Metallurgy (Giprozoloto), prepared in 1944 as a ‘Collection of Materials on the Gold Industry: 1493 - 1943’ and st

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Li, Qiang. "The Mineralization Theories and Techniques of Exploration for the Crisis Mines, a Case Study at the Shiyingtan Gold Deposit in Xinjiang." Advanced Materials Research 524-527 (May 2012): 231–35. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.231.

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How to resolve the resources exploration in deep and surrounding of the crisis mines is a very urgent problem which confronts with mining industry. Choosing the suitable prediction theory and technology is the key to success in evaluating. According to the particularity of resource exploration in deep and surrounding of crisis mines and application at domestic and international, author analyzes the regional minerogenic geological setting, structure and lithogeochemistry characteristic, predicates surrounding favorable region –Huangni po by using the geochemical appraisal criteria of primary ha

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Kydd, Jonathan. "Coffee After Copper? Structural Adjustment, Liberalisation, and Agriculture in Zambia." Journal of Modern African Studies 26, no. 2 (1988): 227–51. http://dx.doi.org/10.1017/s0022278x00010454.

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In contrast to its policies in the economic sphere, Zambia has one of Africa's most liberal approaches to press freedom. To convey the flavour of public debate during, or immediately after, the 19-month experiment with a market-determined exchange rate, 10 quotations are presented below:Large scale mining will continue for 12 to 20 years, but small-working may go on for 50–60 years.– Francis Kaunda, Chairman, Zambia Consolidated Copper Mines, June 1987.Coffe after copper.– Campaign slogan of the Coffee Growers Committee of the Commercial Farmers' Bureau.Even real socialist countries have to fi

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Roy, Prodipto. "Degradation due to mining: The Piparwar Case Study and problems of estimating costs of degradation." Social Change 31, no. 1-2 (2001): 144–55. http://dx.doi.org/10.1177/004908570103100211.

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Mining has two broad side-effects which may be considered degrading to the environment. The first is the environmental effects of the change on the land-use from forest or cropland to degraded wasteland due to the improper dumping of overburden; and the second, which is partially linked to the first, is the displacement of whole villages comprised of families who have husbanded their crops and animals, and lived symbiotically with the forest for centuries if not millenia. This paper is concerned mainly with the first and only partially with the second as this is the subject of a separate paper

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