Bibliografie tematiche / Alum mines and mining

Letteratura scientifica selezionata sul tema "Alum mines and mining"

Autore: Grafiati

Pubblicato: 26 luglio 2024

Ultima modifica: 27 luglio 2024

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Articoli di riviste sul tema "Alum mines and mining"

Cheng, Huangxin, Lei Huang, Pengtu Ma e Yi Shi. "Ecological Risk and Restoration Measures Relating to Heavy Metal Pollution in Industrial and Mining Wastelands". International Journal of Environmental Research and Public Health 16, n. 20 (18 ottobre 2019): 3985. http://dx.doi.org/10.3390/ijerph16203985.

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In this study, we applied an integrated approach to an ecological risk evaluation of heavy metal pollution in industrial and mining wastelands in Yangxin County, China. A total of 72 sampling sites were designated in the study area. The results show that the potential ecological risk levels of Hg and Cd are higher, and the coefficient of variation of mercury levels is large. Cr, Cu, Zn, Pb, Ni, and As are all at low potential ecological risk. The land types with relatively high ecological risks are alum and coal mines. In the soil of alum mines, the risk due to mercury is higher, while in coal mine soil, the risk due to cadmium is relatively higher.

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Nugroho, Wahyu. "Kebijakan Pengelolaan Tambang dan Masyarakat Hukum Adat yang Berkeadilan Ekologis". Jurnal Konstitusi 15, n. 4 (15 gennaio 2019): 816. http://dx.doi.org/10.31078/jk1547.

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Permasalahan dalam penelitian ini adalah: pertama, bagaimana kebijakan pengelolaan sumber daya pertambangan berdasarkan undang-undang pertambangan mineral dan batubara? Kedua, bagaimana kebijakan pengelolaan sumber daya pertambangan perspektif masyarakat hukum adat yang berkeadilan ekologis? Metode penelitian ini menggunakan penelitian hukum normatif. Hasil penelitian ini menunjukkan bahwa, pertama, kebijakan pengelolaan sumber daya pertambangan berdasarkan undang-undang pertambangan mineral dan batubara saat ini hendaknya disesuaikan dengan putusan-putusan mahkamah konstitusi dan Undang-Undang Nomor 23 tahun 2014 tentang Pemerintahan Daerah dalam konteks perizinan. Pemerintah daerah provinsi sekarang ini mengambil alih kewenangan pemerintah kabupaten/kota untuk mengeluarkan izin tambang berdasarkan Undang-Undang Nomor 23 tahun 2014 yang sebenarnya masih bersifat semi sentralistik dan secara kewilayahannya dalam konteks tambang masih berada di kabupaten, sementara pemerintah provinsi sebagai wakil dari pemerintah pusat; kedua, Kebijakan pengelolaan sumber daya pertambangan perspektif masyarakat hukum adat yang berkeadilan ekologis terletak pada konsep kearifan masyarakat hukum adat dalam pengelolaan sumber daya alam, dalam hal ini tambang yang menjadi hak penguasaan negara. Terdapat hubungan timbal balik antara manusia dengan alam, dimana masyarakat hukum adat selalu menempatkan keseimbangan alam dalam pengelolaan lingkungan (participerend cosmisch), sehingga keadilan ekologis dapat dirasakan semua unsur alam, selain manusia.The problems in this paper are: first, what are the mining resource management policies based on mineral and coal mining laws? and second, how is the mining resource management perspective of the ecological justice community indigenous people? This research method uses normative legal research with the classification of secondary data including primary legal materials including legislation in the fields of mineral and coal mining, environmental protection and management, and regional government. Secondary legal material in the form of books and journals, while secondary legal material in the form of online news. Data analysis using qualitative juridical analysis. The results of this study are first, current mining resource management policies based on mineral and coal mining laws should be adjusted to the decisions of the constitutional court and Law No. 23 of 2014 concerning Regional Government in the context of licensing. The provincial government is currently taking over the authority of the district / city government to issue mining permits under Law No. 23 of 2014 which are actually still semi-centralistic and in the territory in the context of mines still in the district, while the provincial government is the representative of the central government; secondly, the policy of managing mining resources from the perspective of indigenous peoples with ecological justice lies in the concept of indigenous peoples’ wisdom in managing natural resources, in this case mining which is the state’s right of control. There is a reciprocal relationship between humans and nature, where customary law communities always place natural balance in environmental management (participerend cosmisch), so that ecological justice can be felt by all elements of nature, other than humans.

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Åhlgren, Kristina, Viktor Sjöberg e Mattias Bäckström. "Estimating Release of Trace Elements from an Area with Historical Open Pit Mining of Alum Shale Using Mass Transport and Element/Sulfate Ratios Calculations". Environments 7, n. 11 (10 novembre 2020): 100. http://dx.doi.org/10.3390/environments7110100.

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Alum shale was mined for oil and uranium production in Kvarntorp, Sweden, 1942–1966. Remnants such as pit lakes, exposed shale and a 100-meter-high waste deposit with a hot interior affect the surrounding environment, with elevated concentrations of, e.g., Mo, Ni and U in the recipient. Today most pit lakes are circumneutral while one of the lakes is still acidic. All pit lakes show signs of sulfide weathering with elevated sulfate concentrations. Mass transport calculations show that for elements such as uranium and molybdenum the western lake system (lake Söderhavet in particular) contributes the largest part. For sulfate, the two western lakes contribute with a quarter each, the eastern lake Norrtorpssjön about a third and a serpentine pond system receiving water from the waste deposit contributes around 17%. Except for a few elements (e.g., nickel 35%), the Serpentine system (including the waste deposit area) is not a very pronounced point source for metal release compared to the pit lakes. Estimates about future water runoff when the deposit has cooled down suggest only a slight increase in downstream water flow. There could possibly be first flush effects when previous hot areas have been reached by water.

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Zada, Khamami, Mustolih Mustolih, Diana Mutia Habibaty, Lukman Hakim, Desy Purwaningsih e Trini Diyani. "Law and Sovereignty of the State in the Renegotiation of Freeport Contracts in Papua". Jurnal Cita Hukum 9, n. 2 (31 agosto 2021): 319–38. http://dx.doi.org/10.15408/jch.v9i2.21546.

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The mineral and coal mines have long been managed by foreign contracts between governments and foreigners. The position threatens the state's sovereignty over the wealth of natural resources. The study was to analyze the renege-management of Indonesia's Freeport mines in Papua. Socio-legal methods were used to analyze the renegotiation of Indonesia's Freeport management. The study found that according to the principle of state mastery over natural resources as a common property of Indonesian people's prosperity as in article 33 verses (3) constitution of 1945, the Indonesian government officially took over its 51-percent share of Freeport. It is part of an expression of national sovereignty over the management of its natural resources. With this position, Freeport's mining management is no longer based on a contract of work, but a Special Mining Business License which provides guarantees to business holders to have their licenses extended to provide certainty to mining business actors in conducting mining business in Indonesia.Keywords: Renegotiation; Freeport; State Sovereignity Hukum dan Kedaulatan Negara Dalam Renegosiasi Kontrak Freeport Di Papua Abstrak Pertambangan mineral dan batubara selama ini dikelola pihak asing berdasarkan kontrak antara pemerintah dan pihak asing. Posisi ini sesungguhnya mengancam kedaulatan negara atas kekeyaaan sumberdaya alam. Studi ini bertujuan untuk menganalisis renegosiasi pengelolaan tambang PT Freeport Indonesia di Papua. Metode socio-legal digunakan untuk menganalisis renegosiasi pengelolaan tambang PT Freeport Indonesia. Studi ini menemukan bahwa berdasarkan prinsip penguasaan negara atas sumberdaya alam sebagai common property bangsa Indonesia untuk kemakmuran rakyat sebagaimana pasal 33 ayat (3) Undang-Undang Dasar 1945, Pemerintah Indonesia secara resmi mengambil alih saham PT. Freeport Indonesia sebesar 51 %. Kebijakan ini merupakan bagian dari perwujudan kedaulatan negara atas pengelolaan sumberdaya alamnya. Dengan posisi ini, pengelolaan tambang Freeport bukan lagi berdasarkan kontrak karya, melainkan Izin Usaha Pertambangan Khusus yang memberikan jaminan kepada pemegang usaha untuk diperpanjang izinnya unutk memberikan kepastian kepada pelaku usaha pertambangan dalam melakukan bisnis pertambangan di Indonesia.Kata Kunci: Renegosiasi; Freeport; Kedaulatan Negara Закон и суверенитет государствапри пересмотре договоров Freeport в Папуа АннотацияДо настоящего времени управление добычей полезных ископаемых и угля осуществлялось иностранными сторонами на основании договоров между правительством и иностранными сторонами. Эта позиция фактически угрожает суверенитету государства над богатством природных ресурсов. Данное исследование направлено на анализ пересмотра условий руководства рудником компании Freeport Indonesia в Папуа. Социально-правовой метод был использован для анализа пересмотра условий руководства рудником компании Freeport Indonesia. Это исследование показало, что на основе принципа государственного контроля над природными ресурсами как общей собственностью индонезийского народа для процветания народа, как указано в пункте (3) статьи 33 Конституции 1945 года, правительство Индонезии официально приняло на себя акции из компании Freeport Indonesia на 51%. Эта политика является частью реализации государственного суверенитета над управлением своими природными ресурсами. С этой должностью управление горнодобывающей промышленностью Freeport больше не основывается на договоре на выполнение работ, а на специальной лицензии на горнодобывающий бизнес, которая предоставляет владельцам бизнеса гарантии продления их лицензий, чтобы обеспечить уверенность участников горнодобывающего бизнеса в ведении горнодобывающего бизнеса в Индонезии.Ключевые Слова: Пересмотр; Freeport; Государственный суверенитет

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Saputra, Rico Amdan, e Baiq Lily Handayani. "Women's Participation in Mining Rejection Movement in Tumpangpitu Mountain (An Analysis of Ecofeminism)". Jurnal ENTITAS SOSIOLOGI 7, n. 1 (5 febbraio 2018): 27. http://dx.doi.org/10.19184/jes.v7i1.16637.

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The main objective of this research is to analyze the participation of women in the rejection movement of gold mines in Mount Tumpangpitu in Sumberagung Village, Pesanggaran - Banyuwangi. By using qualitative descriptive methods, data are collected through interviews, direct observation, and literature study. The theory used for the analysis is Ecofeminism Vandana Shiva. The researcher is also participatory in the rejection action. The results showed that women were involved in this environmental movement of their own volition. Most of the women who participated in the campaign had a low level of education. Their involvement is based on concerns over the loss of their family's source of income and life. They worry that the ecosystem will be damaged, and they will have difficulty finding resources for them to survive. Keywords: Women's participation, Ecofeminism, Mount Tumpangpitu, Gold mining Referensi: Candraningrum, D. (2013). Ekofeminisme I : Dalam tafsir Agama,Pendidikan, Ekonomi dan Budaya. Yogyakarta: Jalasutra. Candraningrum, D. (2014). Ekofeminisme II :Narasi Iman,Mitos,Air dan Tanah. Yogyakarta: jalasutra. -----------------------. (2015). Ekofeminisme III :Tambang, Perubahan Iklim,Air dan Memori Rahim. Yogyakarta: jalasutra. Denzin, Norman K. dan Yvonna S. Lincoln (eds.). 2009. Handbook of Qualitative Research. Terj. Dariyatno dkk. Jogjakarta: Pustaka Pelajar. Kartika, T. (2014). Perempuan Lokal vs Tambang Pasir Besi Global. Jakarta: Yayasan Pustaka Obor Indonesia. Miles, B. Mathew dan Michael Huberman. 1992. Analisis Data Kualitatif Buku Sumber Tentang Metode-metode Baru. Jakarta: UIP. Mitchell, Bruce. Setiawan, B. Rahmi, DH. 2000. Pengelolaan Sumberdaya Alam Lingkungan. Penerbit Gajahmada University Press. Yogyakarta. Pranoto, N. (2017). Ekofeminisme : Kritik Sastra Berwawasan Ekologis dan Feminis. Yogyakarta: Cantrik Pustaka . Shiva, V and Mies, M. 2005. Ekoveminisme Perspektif Gerakan Perempuan Dan Lingkungan .Yogyakarta: IRE Pres Shiva, Vandana, 1988, Bebas Dari Pembangunan; Perempuan, Ekologi, dan Perjuangan hidup di India, Jakarta: yayasan Obor Indnesia. Shiva, Vandana, 2002, Water and Wars: Privatization, Pollutionand Provid, Yogyakarta: Insist Press. Susilo, R. K. (2009). Sosiologi Lingkungan. Jakarta: Rajawali Pers. Sumaryadi, I. N. (2005). Efektifitas Implementasi Kebijakan Otonom Daerah. Jakarta: Citra Utama. Thong, R. P. (1998). Feminist Thought pengantar paling komprehensif kepada aliran utama pemikiran feminis. Yogyakarta: Jalasutra. Skripsi : Sutomo, B. (2014).’Eksploitasi Alam Di Gunung Tumpangpitu Dalam Perspektif Ekologi. Marx. Jember: Universitas Jember Jurnal: Yuni, D.A. (2013). Konflik Pertambangan Emas Di Gunung Tumpangpitu Desa Sumberagung Kecamatan Pesanggaran, 5. Jember: Universitas Jember Internet: Detik.com/berita/182807/benjolan-pada-warga-buyat-bukan-karena-pencemaran.[Di akses pada 5 April 2018] Mongabay.co.id-tambang-emas-tumpang-pitu-dari-masa-ke-masa-bagian tambang-emas-tumpang-pitu-dari-masa-ke-masa-bagian. [Diakses 25 mei 2017]. Kompas.com/read/2016/08/20/12135481/pulau.merah.banjir.lumpur.perusahaan.tambang.emas.diminta.segera.penuhi.amdal. [Diakses pada 21 oktober 2017]. Tribunnews.com-ratusan-warga-menolak-pertambangan-tumpang-pitu-supaya-dihentikan. [Diakses pada tanggal 22 mei 2017]. Rapper.com-warga-bersama-ibu-ibu-menolak-tambang-emas-tumpang-pitu. [Diakses pada tanggal 22 mei 2017]. Mongabay.co.id-nasib-warga-kala-melawan-pemasangan-kabel-listrik-tambang-emas-tumpang-pitu/ .[Diakses pada tanggal 18 oktober 2017].

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Whitson, Joseph. "Monumental Mines". Public Historian 41, n. 3 (1 agosto 2019): 49–71. http://dx.doi.org/10.1525/tph.2019.41.3.49.

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Through an analysis of three interpreted mines in northeastern Minnesota, this article illuminates how the region’s public history is complicit in the ongoing process of settler colonialism. Largely controlled by iron mining interests, the region’s public history and tourism industry is deeply invested in the future of mineral extraction, representing mining and white-ethnic mining culture as natural and indigenous to the landscape. This narrative erases Ojibwe presence in the region, ignoring both the role mining played in past environmental injustices as well as how it continues to threaten Ojibwe political and resource sovereignty.

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Davis, Richmond P. "SUBMARINE MINES AND MINING". Journal of the American Society for Naval Engineers 20, n. 3 (18 marzo 2009): 674–91. http://dx.doi.org/10.1111/j.1559-3584.1908.tb02136.x.

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Chen, Haoyi, Zhiheng Cheng e Dezhong Kong. "Evaluation of mining capacity of mines using the combination weighting approach: A case study in Shenmu Mining Area in Shaanxi Province, China". Science Progress 104, n. 4 (ottobre 2021): 003685042110440. http://dx.doi.org/10.1177/00368504211044032.

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Aiming at the low mining rate in mines, Xingelao, Dabianyao, and Dongliang Coal Mines in Shenmu Mining Area, Shaanxi Province, China were taken as research objects. Based on this, this study constructed an evaluation index system for the mining capacity of the mines from the perspectives of geological factors, mechanical equipment, humans, and mining design. Moreover, the factors influencing the mining capacity of the mines were evaluated using a combination weighting approach based on an improved analytic hierarchy process and an entropy weight method. A standard cloud was generated based on the mapping standards of each index and a comprehensive cloud was obtained according to comprehensive weight and a backward cloud algorithm. Finally, by combining the comprehensive cloud with local and overall scores of the mines, the mining capacities of the mines were evaluated. The research results demonstrate that the key factor restricting the mining capacity of the mines is the geological environment and five major third-grade indexes affecting mining capacity are igneous rock intrusion, collapse column, scouring zone of the ancient river bed, mechanization level and coal pillar width. In addition, the corresponding suggestions and measures were put forward according to the main factors influencing the mining rate of the mines. In accordance with the weights and scores of each index, the overall scores of the mines were calculated. Dongliang, Dabianyao, and Xingelao Coal Mines were ranked in order based on scores. The research results provide a theoretical basis for improving the mining capacity of the mines under similar geological conditions.

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Li, Shuai, Peiyuan Zou, Haoxuan Yu, Boyi Hu e Xinmin Wang. "Advantages of Backfill Mining Method for Small and Medium-Sized Mines in China: Safe, Eco-Friendly, and Efficient Mining". Applied Sciences 13, n. 12 (19 giugno 2023): 7280. http://dx.doi.org/10.3390/app13127280.

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Despite China’s position as a global mining powerhouse, tens of thousands of small- and medium-sized mines (SM mines) within the country continue to pose potential safety hazards and environmental pollution risks. Only through the identification of suitable development paths can these mines improve their economic and environmental benefits, ultimately driving significant progress in China’s mining industry. Backfill mining, an environmentally friendly mining method, has emerged as a viable solution, offering the potential to ensure mining safety, reduce environmental pollution stemming from tailings stockpiles, and enhance ore resource recovery. This review article aims to provide researchers and readers with a comprehensive understanding of the current situation and challenges faced by SM mines in China. It explores the mining processes, technologies, and equipment commonly employed by these mines while addressing the specific problems and challenges they encounter. Furthermore, the article offers recommendations to guide the future development of SM mines. Additionally, the review examines the prospects and potential applications of backfill mining methods within the context of SM mines in China, emphasizing their role in promoting sustainable mining practices, environmental protection, and waste utilization. Ultimately, this comprehensive review article serves as a valuable resource, stimulating discourse and encouraging experts and scholars to further explore the unique challenges and opportunities associated with SM mines. By highlighting the significance of green mining practices, environmental protection, backfill mining, and waste utilization, the article aims to inspire innovative solutions and foster sustainable practices within the Chinese mining industry.

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Pretes, Michael. "Touring mines and mining tourists". Annals of Tourism Research 29, n. 2 (aprile 2002): 439–56. http://dx.doi.org/10.1016/s0160-7383(01)00041-x.

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Più fonti

Tesi sul tema "Alum mines and mining"

Wang, Quanxi. "Integrated stability mapping system for mines". Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4287.

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Thesis (Ph. D.)--West Virginia University, 2005.
Title from document title page. Document formatted into pages; contains ix, 145 p. : ill. (some col.), maps (some col.). Vita. Includes abstract. Includes bibliographical references (p. 118-122).

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Talhi, Korichi. "Aspects of blasting in surface mines". Thesis, University of Surrey, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280422.

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Joubert, Barend Daniel. "Small-scale gold mining in southern Africa". Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005615.

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The general characteristics of gold deposits are reviewed, and a classification of gold deposits based on mineability is proposed. Evaluation, mlnlng and beneficiation methods are briefly discussed. It is concluded that the most viable targets for small-scale companies comprise deposits that require the least pre-production time and expense. Great potential exists for the small-scale reclamation of gold from tailings dumps and abandoned mines in Southern Africa. There is also potential for developing new smallscale gold mines in the Archaean greenstone terranes of the Zimbabwean and Kaapvaal cratons.

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Forrest, W. "The development of new coal mines". Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378766.

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Carr, Frank. "Government decision-making and environmental degradation: a study relating to mining activities in Papua New Guinea". Thesis, Carr, Frank (2007) Government decision-making and environmental degradation: a study relating to mining activities in Papua New Guinea. Masters by Research thesis, Murdoch University, 2007. https://researchrepository.murdoch.edu.au/id/eprint/502/.

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Papua New Guinea (PNG) is a country possessing abundant resources of gold, oil, copper, timber, and fish stocks. It is hampered in its development and management of these resources, however, by serious problems of governance and corruption. These problems are evident throughout the economy and also in the management of the environment. The level of environmental damage caused by the mining industry in PNG is now such that it will require extensive rehabilitation, if the areas affected can, indeed, ever be fully rehabilitated. The mining companies which precipitated this damage were licensed and encouraged by the PNG Government in the initiation and exercise of the mining operations. The resulting environmental impact has affected the lives of thousands of New Guineans to their detriment. The degradation caused remains unredressed. Compounding the problem, there is a growing reliance by Papua New Guinea on mineral exploitation for foreign direct investment, government revenues, and foreign exchange. Gold exports accounted for the biggest share of export revenues in 2002 representing 37.5% of the total. In light of this growing dependency on mining activities, there is a correspondingly urgent requirement to address the deficiencies in the administrative, monitoring, and policing aspects of the protection of its environment. Despite the public evidence of the damage to the environment and the ensuing affect on the people of Papua New Guinea by mining activities; and despite universal condemnation of these activities and the companies responsible; the companies continue to conduct these activities without official hindrance and with little apparent concern for the long-term ramifications of their actions. This thesis will examine the degradation resulting from the mining activities of companies in Papua New Guinea over the last three decades - particularly those of Placer Dome's Porgera gold mine, BHP's Ok Tedi gold and copper mine (the waste from both of which is dumped into the Ok Tedi and Strickland rivers which are tributaries of the Fly River and form part of the Fly River system) and Lihir Gold Limited's gold mine on Lihir Island. It will examine the extent to which the Government of Papua New Guinea may have wittingly (in the sense of a prescience as to the possible or probable likelihood of deleterious impact) or unwittingly contributed to that degradation as a result of its actions or omissions. Studies of available literature suggest that there has been little attention paid to the subject of culpability on the part of successive PNG governments in matters of environmental damage. This research will contribute to reducing this gap in the literature by focusing on possible motives of the PNG government and its actors which precipitated those decisions and which resulted in environmental degradation. The discussion will examine the likely motivation of the PNG government in its deliberations and decisions and the extent to which corruption and incompetence may have played a role.

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Carr, Frank. "Government decision-making and environmental degradation : a study relating to mining activities in Papua New Guinea /". Carr, Frank (2007) Government decision-making and environmental degradation: a study relating to mining activities in Papua New Guinea. Masters by Research thesis, Murdoch University, 2007. http://researchrepository.murdoch.edu.au/502/.

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Stewart, Penelope Clair. "Minimising dilution in narrow-vein mines /". [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18948.pdf.

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Sellami, Moncef. "Recoverable reserve estimation in multiple seam mines". Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09192009-040606/.

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Harvey, Harvey Blevins Madison D. Soyini. "Mines-bodies a performance ethnography of Appalachian coal mining /". Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2006. http://dc.lib.unc.edu/u?/etd,187.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2006.
Title from electronic title page (viewed Oct. 10, 2007). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Communication Studies (Performance Studies)." Discipline: Communication Studies; Department/School: Communication Studies.

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Bétournay, M. C. "The stability of shallow stopes of hard rock mines". Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28678.

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Canadian hard rock mine extraction practices have commonly created shallow stopes, 12% of which have caved to surface, from instabilities originating from stope hangingwalls, crowns or footwalls. To date, however, mine operators have applied few of the available data gathering and design tools to strike a balance between maximum economic excavation dimension and stope viability. The preference has been to use personal mining experience.
Several common rock mass environments are surveyed as well as the various ways in which shallow stopes have failed. It has been found that these rock masses develop gravity-induced movement in the form of plug failures, ravelling of rock blocks, strata failures, chimneying disintegration, and rock mass block caving.
New failure-specific analytical equations are developed here for these common failure mechanisms. They address the mechanics of the failure process and incorporate the capability to arrive at the ultimate failure outline, for comparison to the location of the bedrock surface.
This research has shown that: plug failures occur along steep, uninterrupted discontinuities bounding large blocks. Plug failure potential reduces substantially with confining compressive stress, discontinuity inclination, the absence of low friction surfaces and shearing of intact rock interrupting the discontinuity. Ravelling requires little peripheral confining stress for stabilization and prevention of block falls or slides. However, inherent conditions such as shallow dipping or vertically dipping joints can cause block falls to develop to surface. Low confining stresses, resulting from multiple stope extraction in orthogonal horizontal directions, would offer conditions suitable for plug and ravelling failures. Strata failures are caused by excessive stope spans, but the limited loading received from above strata is such, that the failure cavity created is of limited vertical extent, some 25% of the stope width. Chimneying disintegration occurs in weak rock masses with low cohesion, over narrow openings that can be as deep as 275 m. The onset of chimneying disintegration can be created by compressive stresses, but develops as a result of mobilization of the rock mass by gravity in active shear. Block caving requires large spans to develop, and stabilizing could be overcome from arching stresses overcoming bulk arching strength. Controlling instability elements are tabulated for these failure mechanisms. A limit equilibrium correlation between span and cohesion for chimneying disintegration is presented, and the controlling limits between the occurrence of chimneying disintegration and block caving is discussed. Ravelling and chimneying disintegration are the most expected failure mechanisms for shallow stopes of hard rock mines. Although failure of the shallow stope may start around its periphery, stope failure to surface would likely occur in or close to the surface crown pillar.
Although the analytical equations developed require input of in situ stresses defined by numerical modelling in order to yield a precise answer, conventional numerical modelling or empirical methods are shown to be unable to predict stope failures as the analytical equations have. A step-by-step stability analysis procedure is presented, incorporating rockmass environment, expected failure mechanism(s), and applicable data gathering and anlytical methods. (Abstract shortened by UMI.)

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Libri sul tema "Alum mines and mining"

Paesaggi dell'allume, archeologia della produzione ed economia di rete (Conference) (2016 Rome, Italy; Siena, Italy). I paesaggi dell'allume: Archeologia della produzione ed economia di rete = Alum landscapes : archaeology of production and network economy. Sesto Fiorentino (FI): All'insegna del giglio, 2020.

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Budimanta, Arif. Kekuasaan dan penguasaan sumber daya alam: Studi kasus penambangan timah di Bangka. Jakarta: Indonesia Center for Sustainable Development dengan dukungan the Ford Foundation, 2007.

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Silalahi, M. Daud. Analisis dan evaluasi hukum tentang pengelolaan sumber daya alam yang berwawasan lingkungan di bidang pertambangan. [Jakarta]: Badan Pembinaan Hukum Nasional, Departemen Kehakiman dan HAM RI, 2005.

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Driscoll, Cynthia Brackett. One woman's gold rush: Snapshots from Mollie Brackett's lost photo album, 1898-1899. Kalamazoo, MI: Oak Woods Media, 1996.

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Community, Southern African Development. Mining. [Gaborone]: Southern African Development Community, 1994.

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Drake, Jane. Mining. Toronto, ON: Kids Can Press, 1997.

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Buydos, John F. Mines, mining, and mineral resources. Washington, D.C: Science Reference Section, Science and Technology Division, Library of Congress, 1994.

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Cutler, Phil. Mining in Canada. St. Catharines, Ont: Vanwell Pub., 1987.

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India. Manual of mines & mineral: Along with coal mines legislation. Allahabad: National Law Agency, 1990.

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African Mining Conference (1st 1987 Harare, Zimbabwe). African mining: Papers presented at the "African Mining" conference. London, England: The Institution, 1987.

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Capitoli di libri sul tema "Alum mines and mining"

Kuhnt, W., P. Knoll, H. Grosser e H. J. Behrens. "Seismological Models for Mining-Induced Seismic Events". In Seismicity in Mines, 513–21. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_14.

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Ali Elbeblawi, Mostafa Mohamed, Hassan Ali Abdelhak Elsaghier, Mostafa Tantawy Mohamed Amin e Wael Rashad Elrawy Abdellah. "Prevention of Slides in Surface Mines". In Surface Mining Technology, 105–32. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3568-7_4.

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Jech, Jiří. "Seismic Tomography in the Ostrava-Karviná Mining Region". In Seismicity in Mines, 597–608. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_19.

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Young, R. P., D. A. Hutchins, J. McGaughey, J. Towers, D. Jansen e M. Bostock. "Geotomographic Imaging in the Study of Mining Induced Seismicity". In Seismicity in Mines, 571–96. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_18.

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Šilený, Jan. "The Mechanism of Small Mining Tremors from Amplitude Inversion". In Seismicity in Mines, 309–24. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_4.

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Unger, Corinne. "Legacy Issues and Abandoned Mines". In Mining in the Asia-Pacific, 333–69. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61395-6_20.

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Udd, J. E. "Backfill research in Canadian Mines". In Innovations in Mining Backfill Technology, 3–13. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003211488-2.

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Tuttle, Carolyn. "The Mining Industry". In Hard at Work in Factories and Mines, 141–82. New York: Routledge, 2021. http://dx.doi.org/10.4324/9780429036989-5.

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Young, R. P., S. Talebi, D. A. Hutchins e T. I. Urbancic. "Analysis of Mining-Induced Microseismic Events at Strathcona Mine, Sudbury, Canada". In Seismicity in Mines, 455–74. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_11.

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Young, R. Paul. "Fred Leighton Memorial Workshop on Mining Induced Seismicity August 30, 1987". In Seismicity in Mines, 285–93. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_2.

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Atti di convegni sul tema "Alum mines and mining"

Veatch, Steven W., C. Robert Carnein, Marge Breth, Dan Alfrey, Wayne Johnston, Roger Loest, Dee Loest et al. "Victor -- Colorado's city of mines: its history, geology, mines, and minerals". In 30th Annual New Mexico Mineral Symposium and 1st Annual Mining Artifact Collectors Association Symposium. Socorro, NM: New Mexico Bureau of Geology and Mineral Resources, 2009. http://dx.doi.org/10.58799/nmms-2009.336.

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Brenchley, Paul, Linda Snyman, Jogi Samosir e Bonnie Coxon. "Redevelopment support at Northparkes Mines". In Seventh International Symposium on Ground Support in Mining and Underground Construction. Australian Centre for Geomechanics, Perth, 2013. http://dx.doi.org/10.36487/acg_rep/1304_30_brenchley.

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Jordaan, Johan. "Determining waste mining capacities for open pit mines". In Fourth International Seminar on Strategic versus Tactical Approaches in Mining. Australian Centre for Geomechanics, Perth, 2011. http://dx.doi.org/10.36487/acg_rep/1108_27_jordaan.

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Jakubec, Jaroslav, Daniel Lagace, William Boggis, Lyndon Clark e Philip Lewis. "Underground mining at Ekati and Diavik diamond mines". In Fourth International Symposium on Block and Sublevel Caving. Australian Centre for Geomechanics, Perth, 2018. http://dx.doi.org/10.36487/acg_rep/1815_03_jakubec.

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MOORE, PW. "NOISE MEASUREMENT TECHNIQUES AT OPENCAST COAL MINES". In Noise from Drilling, Mining and Quarrying Operations 1989. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/21742.

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Dight, Phillip, e Linda Snyman. "Stress measurement for St Barbara Mines Gwalia Deeps project — one of the world’s deepest underground haulage mines". In Fifth International Seminar on Deep and High Stress Mining. Australian Centre for Geomechanics, Perth, 2010. http://dx.doi.org/10.36487/acg_repo/1074_07.

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Cluff, Daniel, e Patrick Foster. "Advances in cryogenic chilling technology for deep mines". In First International Conference on Underground Mining Technology. Australian Centre for Geomechanics, Perth, 2017. http://dx.doi.org/10.36487/acg_rep/1710_10_cluff.

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Stepanov, Y. I., e E. S. Bushueva. "Experience in Applying the Natural Field Method in Salt Mines". In Engineering and Mining Geophysics 2020. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202051063.

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Potvin, Yves, Johan Wesseloo, Izak Morkel, Stuart Tierney, Kyle Woodward e David Cuello. "Seismic Risk Management practices in metalliferous mines". In Ninth International Conference on Deep and High Stress Mining. The Southern Africa Institute of Mining and Metallurgy, Johannesburg, 2019. http://dx.doi.org/10.36487/acg_rep/1952_10_potvin.

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Owen, Michelle. "Workforce exposure to rockfalls in underground mines". In First International Seminar on Safe and Rapid Development Mining. Australian Centre for Geomechanics, Perth, 2009. http://dx.doi.org/10.36487/acg_repo/902_04.

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Rapporti di organizzazioni sul tema "Alum mines and mining"

Udd, J. E., e J. Pathak. Mining automation in Canadian hardrock mines - a progress report. Natural Resources Canada/CMSS/Information Management, 1991. http://dx.doi.org/10.4095/328903.

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Bobrow, Danny J., Gary D. Johnpeer e Glenn R. Osburn. Abandoned mines survey, Magdalena mining district, Socorro County, New Mexico--Final report. New Mexico Bureau of Geology and Mineral Resources, 1986. http://dx.doi.org/10.58799/ofr-246.

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van Staal, C. R., e W. M. Luff. The Brunswick No. 12 and No. 6 Mines, Brunswick Mining and Smelting Corporation Limited. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132270.

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Pundt, Heather. Mining Culture in Roman Dacia: Empire, Community, and Identity at the Gold Mines of Alburnus Maior ca.107-270 C.E. Portland State University Library, gennaio 2000. http://dx.doi.org/10.15760/etd.800.

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Chenoweth, William L. The geology, leasing and production history of the Red Wash Point uranium-vanadium mines on H. S. Begay's mining permits, San Juan County, New Mexico. New Mexico Bureau of Geology and Mineral Resources, 1997. http://dx.doi.org/10.58799/ofr-432.

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Neubert, John T., e Robert H. Wood II. OF-01-13 History, Geology, and Environmental Setting of Selected Mines in the Chalk Creek Mining District, Pike/San Isabel National Forest, Chaffee County, Colorado. Colorado Geological Survey, 2001. http://dx.doi.org/10.58783/cgs.of0113.lfcq4714.

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Wood II, Robert H. OF-03-13 History, Geology and Environmental Setting of the Southern Cross and 7D Mines, Hahns Peak Mining District, Routt National Forest, Routt County, Colorado. Colorado Geological Survey, 2003. http://dx.doi.org/10.58783/cgs.of0313.mitj6094.

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Савосько, Василь Миколайович, Юлія Бєлик e Юрій Васильович Лихолат. Ecological and Geological Determination of the Initial Pedogenesis on Devastated Lands in the Kryvyi Rih Iron Mining & Metallurgical District (Ukraine). Journ. Geol. Geograph. Geoecology, 2019. http://dx.doi.org/10.31812/123456789/3643.

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Abstract (sommario):

In our time, a very urgent problem is the cessation of negative impacts on the environment and the return to the practical use of the territories of devastated lands. In this regard, it is important to find out the basic laws of primary soil formation in the area of these man-made neoplasms. The initial soil formation conditions were analyzed on 19 experimental sites which represent the main varieties of devastated land in the Kryvyi Rih Iron Mining and Metallurgical District (Central Ukraine): (i) waste rock dumps of old iron mines (old name “Forges”), (ii) tailing storage facility of underground iron mines, (iii) waste rock dumps of the Iron Ore Mining and Dressing Plant, (iv) waste rock dumps of the Granite Quarry Plant. It was established that on the devastated lands in Kryvyi Rih District, the initial soil formation occurs in very difficult conditions. Therefore, over 25- 100 years only very primitive soils were formed. The following features are inherent to them: (1) primitive soil profile (thickness 10-100 mm), (2) low levels of soil organic substance content (9.5-11.5 %), (3) alkaline indicators of the soil solution (pHH2O – 8.08-8.92, pHKCl – 7.42-8.23), (4) low levels of cation exchange capacity (6.34-8.47 mMol /100 g). By results of correlation calculations, among the factors of soil formation time (duration of soil formation) and input of plant ash elements’ fall are characterized by the maximum number of statistically significant correlation coefficients and their numerical values. In terms of chemical composition of the technosol, the values of organic matter content and exchangeable acidity (pHKCl) were the most predictable soil formation factors. Generally physical / chemical characteristics of geological rocks (as parent material) and time were the two most important factors in determining the initial pedogenesis on devastated lands in the Kryvyi Rih Iron Mining & Metallurgical District (Ukraine).

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Sarin, N. K. Operating procedures - flame tests on rigid ducts used for mine ventilation. Natural Resources Canada/CMSS/Information Management, 1987. http://dx.doi.org/10.4095/331775.

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Flammability tests are carried out on a variety of flexible and rigid duct materials used for mine ventilation in order to evaluate their fire-resistance and their suitability in a mining environment. Several tests are available for this purpose, however, CEAL has been using CSA standard C22.2 No. 30 for at least 10 years as part of its program for certification of various mining products. An interim large scale gallery test has been introduced since July, 1985 in order to determine if better repeatability of test results can be obtained. The aim is to eliminate threats to health and safety resulting from the use of such products in the mines. Special attention has been given to the safety precautions and sequence of operations necessary while conducting tests. A standard test recording sheet and test layout diagrams are also presented.

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Werdon, M. B., e M. J. Blessington. Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Circle mining district, western Crazy Mountains, and the Lime Peak area of the White Mountains, Circle Quadrangle, east-central Alaska. Alaska Division of Geological & Geophysical Surveys, giugno 2014. http://dx.doi.org/10.14509/27292.

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