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Aryee BNA 2001 Ghanas Mining Sector Its

Aryee, B.N.A. 2001 Ghanas Mining Sector Its Contribution to the National Economy. Resource Policy, 27, 61-75.

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The hazardous nature of small scale underground mining in

Jan 01, 2016 The small mining sector in Ghana is reported to contribute significantly to the growth of the country Amankwah et al., 2015, Aryee et al., 2003, Hilson, 2006, Yakovleva, 2007. It offers direct or indirect employment to mostly unskilled or less-skilled individuals from the rural communities where they are practiced, as watchmen, mechanics ...

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The impact of smallscale gold mining on mining

A study by Schueler et al. 2011 revealed that surface mining resulted in about 58 deforestation and a substantial 45 loss of farmland within mining concessions in the western region of Ghana. Land destruction in the form of excavations are common Aryee 2003 Yelpaala 2004 and in some places river banks mined to a depth of

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PDF The Contribution of Artisanal and SmallScale Mining

Aryee, B.N. et al. 2003 Trends in the Small-scale Mining of Precious Minerals in Ghana A Perspective on its Environmental Impact. Journal of Cleane r production, 112, 131-140.

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Assessment of Environmental Impact Awareness of Mining

Considerable areas of land and vegetation in many mining communities in Ghana have been cleared to accommodate surface mining activities Al-Hassan and Amoako, 2014 Mensah et al ... serving as potential breeding zones for mosquitoes Aryee et al., 2003 Bansah et al., 2016. Mine development results in soil disturbance and this results in soil ...

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4 The Impact of Small scale Mining on Irrigation Water

al., 2003. In small scale gold mining, minerals are mostly extracted from alluvial deposits along waterways. Rudimentary tools such as chisels, hammers, shovels, ... the ore Aryee et al., 2003. The gold is then extracted by crushing and grinding the ore, followed by the addition of mercury to form an amalgam which is roasted to get the metal ...

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Environmental Benefits Of Small Scale Mining

According to Aryee et al., 2003 Hilson, 2002 the method involves ploughing trenches, upturning of vegetation and clearing of huge expanses of forest, these activities leaves the land bare which can leads to land erosion. The potential mine sites are mostly stripped bare of the vegetation and topsoil Kessey et al., show more content

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Trends in the smallscale mining of precious minerals in

B.N.A. Aryee et al. Journal of Cleaner Production 11 2003 131140 133 2. Contemporary small-scale mining of precious minerals in Ghana 2.1. General introduction Before examining the key environmental aspects of the industry, it is important to rst provide a brief, yet concise, overview of small-scale gold and diamond oper-ations in Ghana.

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Assessing Activities of Illegal Mining in the Apamprama

mining, where these impacts although managed, occur as a result of the size of operations, and small-scale mining which employs unconventional extraction and processing methods Amoah, 2016. These unconventional techniques of mining suggest a general difficulty in achieving environmental quality in the country Amegbey et al., 1997 Aryee et ...

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Residential Satisfaction in a MiningInduced

symbolic link and identification with the new sites Adu-Aryee, 1993. Danquah et al. 2014 supported this assertion by postulating that social and cultural ties with neighbours is critical for resettled people to nurture adaptation with relocations. Related to people and their socio-cultural systems responses to

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The Dangerous Couple Illegal Mining and Water

According to Aryee et al. , an estimated 80,000 locals, including women, are currently involved in small-scale mining legal and illegal of gold in Ghana. It is therefore not surprising that Ghana also has the largest artisanal and small-scale mining in Africa 1,100,000 with estimated dependents of 4,400,000 2 .

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Trends in the SmallScale Mining of Precious Minerals in

According to Aryee et al., 2003 SSM in Ghanas law is defined as gold mining by any method not involving substantial expenditure by an individual or group of persons not exceeding nine in number ...

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Occupational Health and Safety in Small Scale Mining

dependent on mining for sustenance Aryee et. al., 2003 and Asia Pacific Learning Event, 2005. Small scale mining is a significant source of income in many developing countries such as Papua New Guinea, Bolivia, Colombia, Indonesia, Mali, the Philippines, and Zimbabwe Shoko, 2002. In the Philippines, small-scale mining has been the leading

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Employee Motivation and Work Performance A

Aryee, 2001 Bloch amp Owusu, 2011 Sanda amp Adjei-Benin, 2011 have been conducted in the mining industry but not on employee motivation. Since it is perceived that employees in this sector are highly motivated in spite of the challenges being faced by them, knowing more about what keeps employees moving is still of national interest.

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Effects of smallscale gold mining on heavy metal levels

Jul 28, 2018 Artisanal gold mining is said to be on the increase in the Pra Basin, and it is said to be the major contributor of metals in surface and groundwater within the basin because of indiscriminate use of mercury Hg and other chemicals, which are detrimental to human health during mining activities Donkor et al. 2006. Small-scale gold mining all ...

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SPMF A Java OpenSource Data Mining Library

Sep 12, 2015 the RP-Growth algorithm for mining rare itemsets Tsang et al., 2011 algorithms for performing targeted and dynamic queries about association rules and frequent itemsets. the Itemset-Tree, a data structure that can be updated incrementally, and algorithms for querying it. Kubat et al, 2003

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Abena D Oduro and Ivy Aryee Centre for Policy

Abena D. Oduro and Ivy Aryee Centre for Policy Analysis P.O. Box 19010 Accra-North Ghana ... to a large extent by the mining sector, for example Nigeria and Ghana. The services ... World Bank World Development Report 20002001 and 2003. Washington D.C. Agriculture Industry Services Benin 54 10 36 Burkina Faso 84 5 11

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Women and Artisanal Mining Gender Roles and the

2 Artisanal mining is used to denote all small-scale as well as medium and large-scale mining that may be illegal or legal, formal or informal. Artisanal mining may be better characterized by a lack of long-term mine planning and use of rudimentary techniques Hinton et al., 2003. activities have increased by up to 20 in the past decade.

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Design and Discovery in Educational Assessment

Rumbaugh et al. 1991 have been implemented in the Portal design system Almond et al. 2003 Steinberg et al. 2005 and the Principled Assessment Design for Inquiry PADI design system Riconscente et al. 2005. Although the figure might suggest a linear design and implementation process, iterative feedback loops are essential to successful ...

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Impacts of Surface Gold Mining on Land Use Systems in

monitoring land use changes Turner et al. 2007. For instance, satellite images showed land use changes caused by artisanal and industrial diamond mining in West Africa Pagot et al. 2008. In Western Ghana, one study used remote sensing to show rapid deforestation and urban expansion between 1986 and 2002 Kusimi 2008. This

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Natural resource and biodiversity conservation in Ghana

native livelihoods projects in mining areas Aryee et al. 2003 Hilson amp Banchirigah 2009 and Temeng amp Abew 2009 and as part of the governments poverty alleviation programs Botchway 2001 have largely focused on their role in reducing poverty. Studies on their use for conserva-tion are rare and restricted to their potential for forest

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MINERS DELIGHT 20 acre Placer Claim in Yavapai Ariz

MINERS DELIGHT is a 19.79-acre active mining claim in Yavapai, Arizona owned by Pine Creek Mining Inc.. Ownership and use of this claim is overseen by the Bureau of Land Managements Hassayampa Field Office under the serial number AMC357595. The last action for

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Environmental Impact Assessment of Small Scale

of land Aryee et al., 2003 Crispin, 2003 Zwane et al., 2006. The reliance on water for mineral concentration results in accelerated evaporation of surface water, drainage of wetlands, erosion and the siltation of rivers and reservoirs Maponga and Ngorima, 2003

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Recherche uO Research Understanding Discourse on the

As Aryee et al. 2003 state, the 1980s saw an increase in awareness of the fact that the continued marginalization of the small-scale gold mining sector was detrimental to the economy.

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USGS Mineral Resources OnLine Spatial Data

Symbols indicating mining-related features digitized from historical USGS topographic maps in the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pits, and other features. Work is progressing from west to east.

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Dangers of Toxic Fumes from Blasting Centers for

movement of rock layers on a hillside Eltschlager et. al. 2001 and NIOSH, 2001, underground utility lines, a French drain, or fractures in the ground Harris, Sapko, and Mainiero, 2005. A review of available maps and examination of nearby structures should reveal utility lines or

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Journal of Cleaner Production planetGOLD

auriferous gravel and sand from river banks and beds Aryee et al., 2003 Gbireh et al., 2007. The nature of tools made the work so labor-intensive thatinformalASMwaspracticed onamuchsmaller scale. More recently, the use of heavy earthmoving equipment and less-expensive, improved mining technology has made the work

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To move or not to move Reflections on the resettlement

The passing of the Small-Scale Gold Mining Law, Mercury Law and Precious Minerals and Marketing Corporation Law in 1989 legalized small-scale mining. The law now requires prospective small-scale miners to secure licenses, a streamlined process which Aryee et al. 17 describe at length. Only Ghanaian nationals aged 18 years or ...

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Incidence and Correlates of NearDeath Experiences in a

Near-death experiences, unusual experiences during a close brush with death, may precipitate pervasive attitudinal and behavior changes. The incidence and psychological correlates of such experiences, and their association with proximity to death, are unclear. We conducted a 30-month survey to ident

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Assessing health vulnerabilities through diet stress

Apr 22, 2014 exposures resulting from the mining process Aryee, Ntibery, amp Atorkui, 2003 Grandjean amp Landrigan, 2006 Basu et al., 2010. Given that these communities are often rural and impoverished with limited healthcare and sanitation Barry 1996, these added stressors from minin g compound the health risks already faced by residents.

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Perception of SmallScale Miners on Interventions to

Oct 15, 2020 Whereas some argue that the process is complex Yeboah, 2016, that is, involving several unclear and overlapping steps which appears to be similar in many other African countries, others e.g., Aryee et al., 2003 Geenen, 2012 are of the view that the process is meant to minimize corruption, and promote efficiency and effectiveness in the ...

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Data Mining in Pharmacovigilance The Need for a

Data mining is receiving considerable attention as a tool for pharmacovigilance and is generating many perspectives on its uses. This paper presents four concepts that have appeared in various professional venues and represent potential sources of misunderstanding andor entail extended discussions i data mining algorithms are unvalidated ii data mining algorithms allow data miners to ...

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Forces and Moments on the Knee During Kneeling and

Nagura et al., 2002 Dahlkvist et al., 1982 Perry et al., 1975 Escamilla et al., 1998 Komistek et al., 2005. However, many of these studies have not examined full-range lexion, and all have neglected the contact between the thigh and shank thigh-calf contact that occurs in high lexion. Thigh-calf contact may have a signiicant effect on ...

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Perception of SmallScale Miners on Interventions to

similar in many other African countries, others e.g., Aryee et al., 2003 Geenen, 2012 are of the view that the process is meant to minimize corruption, and promote efficiency and effectiveness in the acquisition of the legal approved license. The above notwithstanding, it appears that illegal

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