Relevant bibliographies by topics / Mines and mineral resources – Ecuador

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Mines and mineral resources – Ecuador'

Author: Grafiati
Published: 4 June 2021
Last updated: 28 July 2025

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Journal articles on the topic "Mines and mineral resources – Ecuador"

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Proenza, Joaquín A., Lisard Torró, and Carl E. Nelson. "Mineral deposits of Latin America and the Caribbean. Preface." Boletín de la Sociedad Geológica Mexicana 72, no. 3 (2020): A250820. http://dx.doi.org/10.18268/bsgm2020v72n3a250820.

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The region that encompasses Latin America and the Caribbean is a preferential destination for mining and mineral exploration, according to the Mineral Commodity Summaries 2020 of the US Geological Survey (https://www.usgs.gov/centers/nmic/). The region contains important resources of copper, gold, silver, nickel, cobalt, iron, niobium, aluminum, zinc, lead, tin, lithium, chromium, and other metals. For example, Chile is the world’s largest copper producer and the second largest lithium producer. Brazil is the world’s leading niobium producer, the second largest producer of iron ore, and the th
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Proenza, Joaquín A., Lisard Torró, and Carl E. Nelson. "Mineral deposits of Latin America and the Caribbean. Preface." Boletín de la Sociedad Geológica Mexicana 72, no. 3 (2020): P250820. http://dx.doi.org/10.18268/bsgm2020v72n3p250820.

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The region that encompasses Latin America and the Caribbean is a preferential destination for mining and mineral exploration, according to the Mineral Commodity Summaries 2020 of the US Geological Survey (https://www.usgs.gov/centers/nmic/). The region contains important resources of copper, gold, silver, nickel, cobalt, iron, niobium, aluminum, zinc, lead, tin, lithium, chromium, and other metals. For example, Chile is the world’s largest copper producer and the second largest lithium producer. Brazil is the world’s leading niobium producer, the second largest producer of iron ore, and the th
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Wilson, Marc L. "New Mexico: Bureau of Mines and Mineral Resources Mineral Museum: SOCORRO." Rocks & Minerals 67, no. 5 (1992): 335–39. http://dx.doi.org/10.1080/00357529.1992.9926501.

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Yao, Qi, Yufen Wang, Yuting Gao, Yuanchao Ma, and Tianheng Zheng. "Research Progress on Remediation of Heavy Metal Contaminated Soil in Mines." Scientific Journal of Technology 4, no. 12 (2023): 55–58. http://dx.doi.org/10.54691/sjt.v4i12.3275.

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The environmental problems caused by heavy metal pollution in mines are becoming more and more serious, especially the large-scale heavy metal pollution will cause the waste of land resources. At present, there are many remediation methods for heavy metal contaminated soil in mines, and the results of research and practice are scattered, without big data analysis. This paper summarizes the current remediation methods of heavy metal contaminated soil in mines, and puts forward some suggestions for remediation of heavy metal contaminated soil in mines in the future. China is one of the countries
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Wang, Wei Zhi, and Chun Guang Yang. "Comprehensive Utilization and Resources of Gold Mining Tailings." Key Engineering Materials 480-481 (June 2011): 1438–41. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.1438.

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The gold mine discharges tailings massively every day,which results in gold and useful metal draining,simultaneously brings the enormous harm to the environment The approach to comprehensive utilization of tailings of gold mines, including recycle of usable mineral and direct use of ore tailings,is analyzed in the paper, laying a foundation for continuous development of gold mines，comprehensive utilization of resource，and protection of environment.
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Wu, Danni. "Discussion on Landscape Ecological Restoration Measures - A Case Study of Abandoned Mines." International Journal of Natural Resources and Environmental Studies 3, no. 3 (2024): 75–91. http://dx.doi.org/10.62051/ijnres.v3n3.10.

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Abandoned mines have caused many landscape ecological problems to urban development, This paper analyses the causes of the problems from the concepts related to mineral resources and mine wasteland, and briefly describes the concepts related to ecological restoration, combining with two cases of mine restoration, discusses the effective measures for the restoration of abandoned mines, which are mainly as follows: the management measures for slopes; the tailings management measures; the soil grassroots improvement; phytoremediation of heavy metal pollution in mines; restoration of water resourc
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Xing, Yijun, and Peng Yang. "Research Progress on Wear Degree of Mine Filling Pipeline Based on Voiceprint Recognition." Academic Journal of Science and Technology 3, no. 3 (2022): 182–84. http://dx.doi.org/10.54097/ajst.v3i3.2933.

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With the increasing demand for mineral resources, the number of mines with favorable mining conditions is gradually decreasing. Human beings are faced with the challenge of having to mine resources in depth, and important engineering problems in deep mining are constantly emerging. On the one hand, it requires a large amount of mineral resources, and on the other hand, sustainable development and green mining are required to protect the environment. Debris flows, etc., seriously threaten the safety of human existence. Therefore, it is critical to know the wear level of the filling line. There
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Meng, Xian Fu. "Discussion on Geological and Geochemical Methods for Prospecting at Surrounding of Crisis Mines." Advanced Materials Research 616-618 (December 2012): 246–49. http://dx.doi.org/10.4028/www.scientific.net/amr.616-618.246.

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As the supply situation of the mineral resources is gradually worse, the subject of resources crisis mines is becoming a hot topic at domestic related research fields. Prospecting potentiality of crisis mines is an enormous. But how to find new deposits in deep and surrounding of crisis mines by using the data of geology, deposits exploration and adopting resonable prediction manner is a very urgent problem which confronts with mining industry. Author analyze the regional metallogenic geological setting, predicate and evaluate surrounding favorable region by similarity analogy principle and re
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Zhou, Xue Lian. "Development and Utilization of Circular Economy and Urban Mining - Chengdu City Based Renewable Resource Industry Survey." Applied Mechanics and Materials 768 (June 2015): 644–51. http://dx.doi.org/10.4028/www.scientific.net/amm.768.644.

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Along with the process of economic growth and urbanization, China has entered a peak period of electronic appliances and automotive industry products obsolescence. On one hand, municipal waste disposal is increasing and causing environmental pollution and damage; on the other hand, native mineral resources’ exhaustion has increased year by year along with exploitation difficulty and mineral resources import growth. Meanwhile, urban industrial scrap, aka "urban mines", does contain abundant of renewable resources, such as copper, iron, and aluminum. Therefore, based on the theory of circular ec
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Sermet, Edyta, and Marek Nieć. "Not Mining Sterilization of Explored Mineral Resources. The Example of Native Sulfur Deposits in Poland Case History." Resources 10, no. 4 (2021): 30. http://dx.doi.org/10.3390/resources10040030.

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The sterilization of mineral resources makes considerable amounts inaccessible for future use and may be a barrier to the free supply of commodities. During the exploitation of mineral deposits, some parts of their resources become sterilized as inaccessible because of natural hazards or unfavorable economic conditions. Not mining land use and the social opposition against mining is the purpose of sterilization of considerable demonstrated mineral resources of deposits not yet engaged in exploitation. The native sulfur deposits in Poland are a good example of such “not mining” sterilization, w
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Dissertations / Theses on the topic "Mines and mineral resources – Ecuador"

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ROBERTS, MARK CULMER. "THEORY AND PRACTICE OF THE INTENSITY OF USE METHOD OF MINERAL CONSUMPTION FORECASTING (MINERAL, ECONOMICS)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187962.

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The intensity of use of a mineral is traditionally defined as the consumption (production plus net imports) of the mineral divided by gross national product. It has been proposed that this ratio of raw material input to gross economic output is a predictable function of per capita income and that the relationship is based on economic theory. Though the theory has never been clearly defined, the intensity of use method has been used to make long term forecasts. This dissertation formulates a theoretical model of the consumption of minerals and the resulting intensity of use which is used to tes
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Iddon, Casey. "Market valuation of junior natural resources companies." Thesis, Federation University Australia, 2015. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/96742.

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Junior mining companies provide a vital feedstock to the mining sector, which in turn, feeds into the wider economy via manufacturing. The valuation models traditionally used in other sectors of the economy appear to be insufficient, in terms of scope and capacity to handle uncertainty, to provide a rational pricing of junior mining companies. The observation that junior mining firms are valued by some means suggests that either the junior mining markets are inefficient or, more likely, that these markets are able to provide insight, scope, and capacity to the methods of firm valuation. The pr
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Cai, Wenlong. "ZERO-ONE PROGRAMMING ANALYSIS OF MINE PRODUCTION SCHEDULING PROBLEMS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275401.

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Webber, R. C. W. "Determining the physical and economic impact of environmental design criteria for ultra-deep mines." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-07242006-105847/.

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King, Nelson Eng. "A DECISION SUPPORT SYSTEM FOR MINE EVALUATIONS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275287.

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Gottschalk, Ethan Jermome. "Resource Debate in Southwest Alaska: The Bristol Bay Fishery and the Pebble Mine." The University of Montana, 2010. http://etd.lib.umt.edu/theses/available/etd-01222010-112628/.

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Bristol Bay, in Southwest Alaska, is the largest sockeye salmon fishery in the world. After an almost total collapse of salmon numbers in the mid 1970s, the salmon have returned and average in the tens of millions every year. The salmon play a vital economic, cultural, and subsistence role in the lives of the people who call Bristol Bay home. At present there is a plan to develop a low-grade, but substantial, mineral deposit that consists primarily of copper, gold, and molybdenum. The estimated value of the minerals present is more than $500 billion. This plan is known as the Pebble Project, a
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Fountaine, ELise V. "Computer aided underground mine design and drafting package." Ohio : Ohio University, 1988. http://www.ohiolink.edu/etd/view.cgi?ohiou1182785891.

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Lavoie, Sébastien. "Géologie de la mine East-Sullivan, Abitibi-Est, Val-d'or, Québec /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2003. http://theses.uqac.ca.

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Scheppele, Ryan Hall. "Wingbeat modulation detection of honey bees using a continuous wave laser system." Thesis, Montana State University, 2006. http://etd.lib.montana.edu/etd/2006/scheppele/ScheppeleR0806.pdf.

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Li, Zhongxue. "Determining the size and life of underground coal mines." Diss., This resource online, 1987. http://scholar.lib.vt.edu/theses/available/etd-10022008-063243/.

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Books on the topic "Mines and mineral resources – Ecuador"

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Cárdenas, Maximina Navarro. Investigación histórica de la minería en el Ecuador. 2nd ed. Dirección de Industrias del Ejército, 1990.

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Cárdenas, Maximina Navarro. Investigación histórica de la minería en el Ecuador. 2nd ed. Dirección de Industrias del Ejército, 1990.

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Instituto Internacional de Integración del Convenio Andrés Bello., ed. Geografía económica: Área de recursos minerales : Bolivia, Colombia, Chile, Ecuador, Panamá, Perú, Venezuela. El Instituto, 1986.

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Sociedad Peruana de Derecho Ambiental. La realidad de la minería ilegal en países amazónicos: Bolivia, Brasil, Colombia, Ecuador, Perú, Venezuela. SPDA, Sociedad Peruana de Derecho Ambiental, 2014.

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William, Jaramillo Mejía, Sosa Abella Guillermo, and Instituto Colombiano de Cultura Hispánica., eds. Indice de documentos para la historia de la antigua gobernación de Popayán: Archivo Histórico de Quito. Instituto Colombiano de Cultura Hispánica, 1996.

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Ramírez, María Clemencia. Frontera fluida entre Andes, piedemonte y selva: El caso del Valle de Sibundoy, siglos XVI-XVIII. Instituto Colombiano de Cultura Hispánica, 1996.

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Isherwood, Christopher. El cóndor y las vacas. Instituto Colombiano de Cultura, 1994.

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Röthlisberger, Ernst. El Dorado. República de Colombia, Nación-Presidencia de la República, Comisión Preparatoria para el V Centenario del Descubrimiento de América, Instituto Colombia de Cultura, Biblioteca Nacional de Colombia, 1993.

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Christopher, Isherwood. Le Condor: Journal de voyage. Rivages, 1990.

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Small, H. Beaumont. Mineral resources. Dept. of Agriculture, 1986.

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Book chapters on the topic "Mines and mineral resources – Ecuador"

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Qi, Fanyu, Xiaolei Li, Yuntao Shang, et al. "Significance of the Building of National Mineral Deposit Database of China (2020)." In Atlas of Mineral Deposits Distribution in China (2020). Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0972-5_3.

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AbstractData are fundamental strategic resources of a country and are considered as “diamond mines” in the twenty-first century. Xi Jinping, general secretary of the Communist Party of China (CPC) Central Committee, has pointed out that big data is the next stage of informatization development and has significant and profound impacts on the economic development, social progress, and people's lives worldwide.
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Manias, Chris. "Land, Mines, and Bones: African History and Deep Knowledges of the Earth." In Historiographies of Science. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-030-92679-3_28-2.

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AbstractThis chapter considers the connections between histories of the earth sciences (and knowledges of the earth more generally) and African history. It argues there is great potential synergy between them, both fields providing cross-disciplinary and long-durational means of considering the history of knowledge and engagement with the earth, especially through different forms of conceptual, political, and economic power. This is followed across two sections. The first is the history of mining and use of mineral resources in Africa, which has been a dynamic field, aiming to recover the agen
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Manias, Chris. "Land, Mines, and Bones: African History and Deep Knowledges of the Earth." In Historiographies of Science. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-030-92679-3_28-1.

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AbstractThis chapter considers the connections between histories of the earth sciences (and knowledges of the earth more generally) and African history. It argues there is great potential synergy between them, both fields providing cross-disciplinary and long-durational means of considering the history of knowledge and engagement with the earth, especially through different forms of conceptual, political, and economic power. This is followed across two sections. The first is the history of mining and use of mineral resources in Africa, which has been a dynamic field, aiming to recover the agen
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Traoré, Pierre A., and Olle Ostensson. "2. Strategies for Development of Small/Medium Scale Mines in Africa; An Integrated Participatory Framework for the Exploitation of Mineral Resources in the Context of Sustainable Development — The Case of Namaqualand, South Africa." In Mining on a Small and Medium Scale. Practical Action Publishing, 1997. http://dx.doi.org/10.3362/9781780445489.002.

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Leary, Stephen, Richard H. Sillitoe, Jorge Lema, Fernando Téliz, and Diego Mena. "Chapter 21: Geology of the Fruta del Norte Epithermal Gold-Silver Deposit, Ecuador." In Geology of the World’s Major Gold Deposits and Provinces. Society of Economic Geologists, 2020. http://dx.doi.org/10.5382/sp.23.21.

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Abstract Fruta del Norte is a completely concealed and extremely well-preserved, Late Jurassic epithermal gold-silver deposit of both low- and intermediate-sulfidation type, which is located in the remote Subandean mountain ranges of southeastern Ecuador. Currently defined indicated resources are 23.8 million metric tons (Mt) averaging 9.61 g/t Au and the total endowment is 9.48 Moz Au. The deposit, notable for the widespread occurrence of visible gold and bonanza grades, will be bulk mined underground. Fruta del Norte was discovered in 2006 during greenfield exploration and systematic drill t
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Singer, Donald, and W. David Menzie. "Mineral Resources and Society." In Quantitative Mineral Resource Assessments. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195399592.003.0005.

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Modern society cannot live without electric and electronic products, concrete, glass, fertilizers, ceramics, motor vehicles, airplanes, refrigerators, stoves, and medical equipment, all of which are made with products of mining. In the 1950s and again in the 1970s there was serious concern about whether we would run out of mineral resources. This recurring theme is driven largely by the increasing amounts of mineral material produced from mines and used by society over time. One of the most striking aspects of the increasing quantities of mineral materials produced has been that prices of many
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Brady, Jim, Tim Marsh, and Scott McKitrick. "The Cactus Gold Mine Kern County, California." In The Diversity of Mineral and Energy Resources of Southern California. Society of Economic Geologists, 1991. http://dx.doi.org/10.5382/gb.12.07.

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Abstract The Cactus Gold Mine is located in the eastern Mojave Desert part of Kern County, California, about sixty air miles north of the city of Los Angeles and 9 miles southwest of the town of Mojave. The mine is at Middle Buttes, an isolated peak of Miocene volcanic rocks and Cretaceous intrusives surrounded by alluvium. Operated by CoCa Mines Inc. of Denver, Colorado, the mine is a joint venture between CoCa and MinVen Gold Corporation of Lakewood, Colorado. The mine is an open pit, heap leach operation with an average 10,000 ton per day ore and waste extraction from the Shumake Pit. Crush
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Singer, Donald, and W. David Menzie. "Economic Analysis." In Quantitative Mineral Resource Assessments. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195399592.003.0008.

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Estimated undiscovered mineral resources are based on grade-and-tonnage models made up of deposits of varying economic viability (chapter 6). Many deposits used in grade-and-tonnage models have not been developed because they cannot yet be mined economically. Although technological advances act over time to lower mining costs and environmental impacts, thereby allowing formerly uneconomic deposits to become operating mines, some deposits in these models might “never” be mined for one or more of a variety of reasons, including relatively low tonnages and grades, deep burial, or occurrence in or
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Tshinu, Germain Miteu. "Unpacking the Resource Curse and Realism Challenges on Economic Development in the Democratic Republic of Congo (DRC)." In Practice, Progress, and Proficiency in Sustainability. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8809-3.ch015.

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The third theme of the book seeks to understand the role of mineral resources in the African continent's socio-economic development. The case study of the DRC is used to understand the role played by the state-owned mining company Gecamines to socio-economic conditions of employees and the country's development at large. Resource curse and realism theories are utilised in this case study to unpack the role of mineral resources to Gecamines employees' access to education and healthcare in particular and to the entire country in general. The chapter employed a case study design with a qualitativ
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"Buried Treasure: The Earth Yields Up its Secrets." In March of the Pigments. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837671403-00139.

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Mines, especially the more fabled ones, have long held an air of mystery for the armchair traveler and history buff. They came into being when ancient peoples realized that there was more to Earth than what it revealed on its surface. People began to extract buried commodities from deliberately constructed mines: salt, slate, coal, precious stones, iron and other metal-bearing ores and minerals. Later, they found some uninteresting-looking rocks that contained exotic elements and other surprises. Although mineral pigments were not high on the list of major commercial resources, the same techno
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Conference papers on the topic "Mines and mineral resources – Ecuador"

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Eveleth, Robert W., and Virgil W. Lueth. "History of the New Mexico Burerau of Mines & Mineral Resources - Mineral Museum." In 18th Annual New Mexico Mineral Symposium. New Mexico Bureau of Geology and Mineral Resources, 1997. http://dx.doi.org/10.58799/nmms-1997.195.

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McKee, Chris. "X-ray facility at New Mexico Bureau of Mines and Mineral Resources." In 11th Annual New Mexico Mineral Symposium. New Mexico Bureau of Geology and Mineral Resources, 1990. http://dx.doi.org/10.58799/nmms-1990.121.

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Lueth, Virgil W., and Robert W. Eveleth. "History of the New Mexico Bureau of Mines & Mineral Resources— Mineral Museum." In 35th Annual New Mexico Mineral Symposium. New Mexico Bureau of Geology and Mineral Resources, 2014. http://dx.doi.org/10.58799/nmms-2014.495.

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Anwar, Jamal, Sana Sabir, Sumit Kumar Ahirwar, Nisha Rani, and K. V. Krishnamurthy. "Study on Spectral Signature of Kaolinite {Al2Si2O5(OH)4} from Bageshpura Clay Mines, Hassan District of Karnataka." In Future Challenges in Earth Sciences for Energy and Mineral Resources. Geological Society of India, 2016. http://dx.doi.org/10.17491/cgsi/2016/95910.

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Milošević, Dragan, Svetlana Polavder, Tanja Miladinović, and Sanja Grujičić. "The significance of geological research in the function of surface exploitation of mineral raw materials." In Rudarstvo i geologija danas. Rudarski institut d.o.o. Beograd, 2024. https://doi.org/10.5937/rgd240025m.

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The exploration of mineral resources is carried out according to the current legislation, on the basis of which the potential of the area is determined. It is carried out using geological, hydrogeological methods, engineering - geological research, using surface and underground research works and other tests. Research, exploitation and primary processing of mineral raw materials takes place in a certain period of time and under the influence of very different influences. In modern conditions, mines are subject to purchase and sale, and deposits of mineral raw materials are subject to concessio
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Mukhamedyarova, Z., K. Suzuki Morales, F. Suorineni, and Y. Madenova. "Numerical Modeling of Seismic Wave Propagation in Mimicked Underground Mine Models." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0111.

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ABSTRACT Underground mines are going deeper worldwide with increasing production of mineral resources and decreasing ore grade, and this fact is creating challenging conditions. This fact makes the research into mine seismicity problem paramount. This manuscript focuses on the study of seismic wave propagation in a single material medium imitating the conditions found in underground mines. Understanding how waves propagate in a medium is fundamental to better interpret real-time information for accurate rockburst prediction. For this purpose, a numerical model is developed to represent results
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Toksanbayev, N. K., and A. C. Adoko. "An Optimized Deep Neural Network for Rockburst Damage Potential Modelling." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0905.

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ABSTRACT Managing ground prone to rockburst is challenging, especially in seismically active underground mines. Over the past few decades, numerous studies have been conducted on predicting rockburst damage potential. However, in most cases, only fair model performance was achieved due to the complex nature of rockburst as a seismic event and the non-linearity of data. To overcome these limitations, this paper presents a more reliable model for predicting rockburst damage potential (RDP). An Artificial Neural Network was established, and its parameters were optimized using the Adam optimizer.
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Zhang, J. W., S. Wang, S. L. Yang, X. Chen, W. J. Wei, and L. H. Li. "Laboratory Study on the Strength Deterioration Characteristics of Solid Potash Ore Samples in Moist Environment." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0306.

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ABSTRACT: Potassium salt rock is a typical discontinuous heterogeneous material formed naturally, which is mainly composed of carnallite, sylvite, halite and so on. Potassium salt is widely used in various industry fields (such as agriculture, chemical industry, medicine, metallurgy, electroplating, printing and dyeing, glass, etc.) and has a large demand. One of the important sources is the mining of solid potassium salt mines. Through the laboratory test of solid potassium salt ore samples obtained from an underground potassium salt mine in a mine in Laos, various mechanical parameter data o
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Sun, Z., G. R. Balasubramanian, A. Fager, B. Crouse, G. Barlow, and M. Abouaali. "Numerical Analysis of Slope Stability in Open Pit Mining Based on an Integrated Geology and Geomechanics Approach." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0499.

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ABSTRACT: The slope stability analysis usually requires consideration of both geological and geomechanical factors. However, due to the limitation in geological model, current slope stability analysis is typically based upon simplified geological frameworks and does not integrate the key geological complexities required to accurately model the geomechanical response to slope excavation. This study presents an integrated geology and geomechanics approach that can readily assess the geomechanical risk of open pit mining while preserving the geology's integrity. The geological model adopts an imp
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Portella, Ricardo B., Luiza F. Andrade, Tomazo Garzia Neto, and Nelson Coelho. "Single-Pour/Single Pass Loading: An Innovative Concept for a New Generation of Ore Carriers." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49589.

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Bulk Carriers have been developed since 1950 to carry large quantities of non-packed commodities such as grains, coal and iron ore. Nowadays, there are some 5,000 bulk carriers around the world and this number points to some concerns that affect owners of these types of ship and ports. One of these problems is the big waiting time at the ports that reaches 12% of the global fleet around the world at any given moment. At Brazilian iron ore ports the time waiting average was of 6–8 days during 2006–2008. A concrete example is the VALE operation that responds from mineral resources exploration to
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Reports on the topic "Mines and mineral resources – Ecuador"

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Szumigala, D. J., and R. C. Swainbank. Map of selected mines, coalfields, and significant mineral resources of Alaska. Alaska Division of Geological & Geophysical Surveys, 1998. http://dx.doi.org/10.14509/742.

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Summerfield, Daisy. Australian Resource Reviews: Manganese Ore 2020. Geoscience Australia, 2021. http://dx.doi.org/10.11636/9781922446541.

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Britt, Allison, and Anthony Senior. Australian Resource Reviews: Antimony 2020. Geoscience Australia, 2021. http://dx.doi.org/10.11636/9781922446534.

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Mills, Stephanie E., and Bear Jordan. Uranium and Vanadium Resources of Utah: An Update in the Era of Critical Minerals and Carbon Neutrality. Utah Geological Survey, 2021. http://dx.doi.org/10.34191/ofr-735.

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Utah is the second largest vanadium producing state and the third largest uranium producing state in the United States. Carnotite, a primary ore mineral for both vanadium and uranium, was first discovered and used by Native Americans as a source of pigment in the Colorado Plateau hysiographic province of eastern Utah. Radioactive deposits have been ommercially mined in Utah since about 1900, starting with radium, followed by vanadium, and thenuranium. In 1952, the discovery of the Mi Vida mine in Utah’s Lisbon Valley mining district in San Juan County kicked off a uranium exploration rush acro
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Bécu, V., A.-A. Sappin, and S. Larmagnat. User-friendly toolkits for geoscientists: how to bring geology experts to the public. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331220.

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A growing number of countries are committed toreduce their carbon emissions and are transitioning towards renewable and clean energy sources, leading to an in crease in demand formetals and minerals. This is especially the case for a short list of what are called "critical minerals" which are considered essential to economic development, including the transition to a low-carbon economy and national security. There liability of their supply chain raises concerns considering geological scarcity, difficulty to extract and/or political factors influencing their availability. At the same time, publ
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