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Letteratura scientifica selezionata sul tema "Emerald miners"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 27 luglio 2025

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Articoli di riviste sul tema "Emerald miners"

Alam, Muhammad, Yasmeen Bano, Abdur Rashid, Sajid Ali, and Abdul Lateef. "A PRELIMINARY INVESTIGATION OF GEMSTONES, MINES,MINERS AND PROBLEMS IN GILGIT-BALTISTAN, PAKISTAN." Journal of Mountain Area Research 7 (May 16, 2022): 37. http://dx.doi.org/10.53874/jmar.v7i0.93.

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Gilgit-Baltistan possesses a complex history of crustal evolution and rich diversity of geological environments, and is favorable for various types of mineralization and production of gemstone all over GB. Two batholiths; Kohistan Batholith and Karakorum Batholith which are hosting gemstones mineralization. This investigation reveals that thirty-two precious and semi-precious stones are mined, 95% of the total gemstones produced in Pakistan come from GB. These varieties of gemstones come from 2150 mines which are in working conditions scattered all over GB and number of miners involved is 2500

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Hidalgo García, Sara. "Emociones socialistas en la huelga minera de 1890. La formación de la conciencia de clase y el giro emocional / Socialist Emotions during the Miner’ Strike of 1890. The Formation of Class Consciousness and the Emotional Turn." Historiografías, no. 10 (December 28, 2017): 31. http://dx.doi.org/10.26754/ojs_historiografias/hrht.2015102389.

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This article suggests a new way of analysis of the process of class consciousness formation in the Biscay basin of the Nervión (Spain) during the late nineteenth century. To this purpose the tools from the emotional turn theory are used, namely the concept of emotional regime understood as set of emotional expressions and normative emotions that underpins a political regime. The process will be studied through the great miner strike of 1890, the founding event of the working class movement in this area, or emotional response to the experience of social, economic and political changes by some m

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Grubessi, O., C. Aurisicchio, and A. Castiglioni. "The Pharaohs’ forgotten emerald mines." Journal of Gemmology 22, no. 3 (1990): 164–77. http://dx.doi.org/10.15506/jog.1990.22.3.164.

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Laskovenkov, A. F., and V. I. Zhernakov. "An Update on the Ural Emerald Mines." Gems & Gemology 31, no. 2 (1995): 106–13. http://dx.doi.org/10.5741/gems.31.2.106.

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Popov, M. P., and A. G. Nikolaev. "Features of phenacite mineralization from the Ural emerald mines." News of the Ural State Mining University, no. 3(47) (2017): 39–43. http://dx.doi.org/10.21440/2307-2091-2017-3-39-43.

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Zwaan, J. C. (Hanco), Jan Kanis, and Eckehard J. Petsch. "Update on Emeralds from the Sandawana Mines, Zimbabwe." Gems & Gemology 33, no. 2 (1997): 80–100. http://dx.doi.org/10.5741/gems.33.2.80.

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Popov, Mikhail P., Yurii V. Erokhin, and Vera V. Khiller. "Bismuth-nickel mineralization in chromitites of Mariinskii deposit (Urals emerald mines)." LITOSFERA 18, no. 3 (2018): 435–44. http://dx.doi.org/10.24930/1681-9004-2018-18-3-435-444.

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Nikopoulou, Maria, Stefanos Karampelas, Eloïse Gaillou, et al. "Non-Destructive Study of Egyptian Emeralds Preserved in the Collection of the Museum of the Ecole des Mines." Minerals 13, no. 2 (2023): 158. http://dx.doi.org/10.3390/min13020158.

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In the present study, rough emerald single crystals and rough emeralds in the host rock from the ruins of Alexandria and from the Mount Zabargad in Egypt, preserved in the collection of the museum of the Ecole des Mines (Mines Paris—PSL) since the late 19th or early 20th century, are investigated. All samples were characterized by non-destructive spectroscopic and chemical methods during a week-long loan to the LFG. Raman, FTIR and UV-Vis-NIR spectroscopy revealed that Egyptian emeralds contain H2O molecules accompanied by relatively high concentrations of alkali ions and are colored by chromi

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CLARY, RENEE M. "THE ROYAL SCHOOL OF MINES: HENRY DE LA BECHE’S CONVERGENCE OF PROFESSIONALIZATION AND PUBLIC ADVOCACY." Earth Sciences History 39, no. 2 (2020): 291–304. http://dx.doi.org/10.17704/1944-6187-39.2.291.

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ABSTRACT Several European countries instituted mining schools in the late 1700s, including France, Germany, Hungary, and Russia. However, since England’s mining industry was privatized with little government involvement, Great Britain was decades behind with the creation of a school of mines. In 1835, Henry De la Beche (1796–1855) became the first director of the Ordnance Geological Survey, precursor to the British Geological Survey. De la Beche used this position to advance geology’s professionalization, which would include the establishment of an applied geology museum, mining records storeh

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Puppim de Oliveira, Jose Antonio, and Saleem H. Ali. "Gemstone mining as a development cluster: A study of Brazil’s emerald mines." Resources Policy 36, no. 2 (2011): 132–41. http://dx.doi.org/10.1016/j.resourpol.2010.10.002.

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Tesi sul tema "Emerald miners"

Barros, Jo?o Alfredo de Almeida. "Estudo do aproveitamento do rejeito da minera??o de esmeraldas na produ??o de refrat?rios conformados isolantes." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15711.

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Made available in DSpace on 2014-12-17T14:58:22Z (GMT). No. of bitstreams: 1 JoaoAAB_DISSERT.pdf: 2621016 bytes, checksum: 39aa654f0df748b1db86062c61ed8f35 (MD5) Previous issue date: 2013-05-16<br>Emerald mining is an important area of the economy in Brazil, country which is in second place among the exporting nations of this gem. Due to the process of extraction, a great amount of reject is generated. Since there is no appropriate destination, the reject is abandoned around the mining industries, contributing to environment degradation. Nowadays, some of the most relevant things to an indus

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Cavalcante, Ronaldo Fonseca. "Estudo do potencial de utiliza??o do res?duo da extra??o de esmeraldas na fabrica??o de cer?mica de revestimento." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15603.

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Made available in DSpace on 2014-12-17T14:57:56Z (GMT). No. of bitstreams: 1 RonaldoFC_DISSERT.pdf: 4616662 bytes, checksum: 0873d4d0b759a28864c474fb890be216 (MD5) Previous issue date: 2010-03-09<br>Universidade Federal do Rio Grande do Norte<br>Companies involved in emerald mining and treatment represent an important area of industrial development in Brazil, with significative contribution to the worldwide production of such mineral. As a result, large volumes of emerald waste are constantly generated and abandoned in the environment, negatively contributing to its preservation. By the othe

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Libri sul tema "Emerald miners"

Chenevière, Alain. Emeraude: L'enfer de Colombie. Denoël, 1990.

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Popov, M. P. Uralʹskie izumrudnye kopi: Istorii͡a︡ izuchenii͡a︡, geologicheskiĭ ocherk, mineralogicheskiĭ kadastr, bibliografii͡a︡. [UGGGA], 1998.

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Baquero, Petrit. La nueva guerra verde: ¿quiénes son los nuevos patrones de las esmeraldas en Colombia y por qué se siguen matando? Editorial Planeta Colombiana, S.A., 2017.

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Schwarz, Dietmar. Esmeraldas: Inclusões em gemas. Impr. Universitária, Universidade Federal de Ouro Preto, 1987.

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Sauer, Jules Roger. Emeralds and other gemstones of Brazil. s.n.], 1992.

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Groat, Lee Andrew. The geology of gem deposits. 2nd ed. Mineralogical Association of Canada, 2014.

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Castro, Iva n. Cepeda. Vi ctor Carranza alias "El Patron". Grijalbo, 2012.

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Uribe, María Victoria. Limpiar la tierra: Guerra y poder entre esmeralderos. CINEP, 1992.

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Elspeth, Couper, ed. A dangerous gift. Severn House, 1997.

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Stirling, Emma. A dangerous gift. Chivers Press, 1999.

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Capitoli di libri sul tema "Emerald miners"

Recksiedler, Claudia, and Laura Bernardi. "Are “Part-Time Parents” Healthier and Happier Parents? Correlates of Shared Physical Custody in Switzerland." In European Studies of Population. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68479-2_5.

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AbstractChanging legal and parental practices across Europe led to a higher share of parents practicing shared physical custody (SPC) upon separation, who tended to be more affluent and less conflict-ridden. Since SPC became more prevalent, profiles of SPC parents pluralized. Far from these developments, no clearly defined legal pathways toward SPC existed in Switzerland before 2017. Profiling the Swiss case, we examine the prevalence of SPC families, and its associations with parental health and well-being before these legislative changes. Among 875 separated parents of 1,269 minors, SPC (i.e

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Whalen, Christian. "Article 37: Prohibition of Torture, Capital Punishment, and Arbitrary Deprivation of Liberty." In Monitoring State Compliance with the UN Convention on the Rights of the Child. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-84647-3_31.

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AbstractArticle 37 is inspired by the provisions of the International Covenant on Civil and Political Rights (ICCPR). However, it extends the ICCPR’s provisions to the protection of the children by: (1) imposing the prohibition of life imprisonment for children without the possibility of release; (2) demanding that detention of a child shall be used as a measure of last resort and be imposed for the shortest period of time; and (3) providing to children deprived of liberty the right to maintain contacts with their family members. Article 37 imposes a child-centred understanding of its provisio

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Storey, William Kelleher. "Digging Diamonds." In The Colonialist. Oxford University PressNew York, 2025. https://doi.org/10.1093/oso/9780199811359.003.0003.

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Abstract The diamond fields around Kimberley were contested between the local Griqua chiefdom, the Boer republic of the Orange Free State, and the Cape Colony, which belonged to Britain. The British resolved the dispute in their favor and established their administration around Kimberley, calling the territory the colony of Griqualand West. Under British rule, the diamond mines attracted migrants from Europe and around Southern Africa. A race-based division of labor emerged, while white miners pushed for fewer restrictions. Rhodes became close to a group of men who would be important to him in

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Beerling, David. "Global warming ushers in the dinosaur era." In The Emerald Planet. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780192806024.003.0012.

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Reverend William Buckland (1784–1856), a British vicar and palaeontologist, was the first Professor of Geology at the University of Oxford (1813) (see Plate 8). Charming and eloquent, Buckland was also an accomplished lecturer. His biographer summed him up rather well, remarking in 1894 ‘it is impossible to convey to the mind of any one who had never heard Dr. Buckland speak, the inimitable effect of that union of the most playful fancy with the most profound reflections which so eminently characterized his scientific oratory’. Brilliant and famously eccentric, he once offended stuffier collea

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FOSTER, B. C., J. L. G. RIVARD, S. E. SIDEBOTHAM, and H. CUVIGNY. "Survey of the Emerald Mines at Wadi Sikait 2000/2001 Seasons." In Berenike 1999/2000. Cotsen Institute of Archaeology Press, 2007. http://dx.doi.org/10.2307/j.ctv10qqzbc.20.

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McGhee, Robert. "Martin Frobisher’s Gold Mines." In The Last Imaginary Place. Oxford University PressNew York, NY, 2006. http://dx.doi.org/10.1093/oso/9780192807304.003.0009.

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Abstract The Helicopter Emerged From a Curtain of falling snow and the pilot pointed directly ahead, then eased back the throttle and began a long slanting descent. For the past hour we had thumped southeastwards down the length of Frobisher Bay, the tundra hills of Baffin Island rolling down to gradually disappear as humped islands and rocky shoals in the heaving waters of the inlet. Now the southern shore was falling away into a distant line of glaciated peaks as the bay opened out into the expanse of Davis Strait and the North Atlantic Ocean.

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Leeworthy, Daryl. "A miner cause?" In Waiting for the Revolution. Manchester University Press, 2018. http://dx.doi.org/10.7228/manchester/9781526113658.003.0011.

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If twentieth century politics in Wales has largely been defined by class, and therefore along the typical cleavage of Labour versus Conservative; it is nevertheless true that for a significant proportion of Welsh activists and voters, the cleavage is between nation and union (identifiable with the British state). Closely identified with Plaid Cymru, the Welsh nationalist party, a political manifestation of the Welsh nation was a direct inheritance from nineteenth-century liberalism and its persistence for much of the postwar period was a result of the persistence of that form of politics. But

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Phillips, Jim. "Introduction: Scottish Coal Miners and Economic Security." In Scottish Coal Miners in the Twentieth Century. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474452311.003.0001.

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Changes in coalfield employment and coal industry ownership illustrate the ways in which economic security was strengthened from the 1920s to the 1960s. Private ownership was an obstacle to communal security, with employers protecting their profits at the expense of employment and wage stability. Nationalisation in 1947 was an important victory. Progress was not straightforward, however, disturbed by pit closures and job losses from the late 1950s onwards. Policy-makers moved human and capital resources out of basic industry, including coal, and into higher value-added manufacturing. The new e

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Fitch, Alanah. "Enlightenment." In Sublime Lead. Oxford University PressNew York, 2025. https://doi.org/10.1093/oso/9780199797844.003.0005.

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Abstract This chapter looks at the contributions of the Islamic Enlightenment of technologies that exist today and the scientific theories that dominated thoughts into the 1700s. Attempts in the Middle East to replicate Chinese porcelain led to a proliferation of lead-tin glazes destined to introduce low-cost lead glaze in the Americas. Lead-tin glazes were brought to a high level of technology in the Middle East, then were carried to Spain and from there via Majorca to Italy, where they were known as majolica. From there, objects were exported back to Spain. The economic driving force for suc

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Lankton, Larry. "Transformations." In Beyond The Boundaries. Oxford University PressNew York, NY, 1997. http://dx.doi.org/10.1093/oso/9780195108040.003.0011.

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Abstract In the 1840s, a wave of pioneers washed up on the shores of Isle Royale and the Keweenaw Peninsula on Lake Superior. Armed with precious little accurate knowledge of the region but fired by enthusiasm and high hopes, investors launched speculative mining companies. The companies in turn hired voyageurs, explorers, geologists, miners, woodchoppers, cooks, clerks, and young, strong-backed laborers. Together, they set about the difficult business of finding commericial quantities of native copper in the ground beneath a remote and rugged wilderness. The nascent copper mining industry met

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Atti di convegni sul tema "Emerald miners"

Gaillou, Eloise. "Emeralds From the Coronation Crown of Napoleon III." In 43rd New Mexico Mineral Symposium. New Mexico Bureau of Geology and Mineral Resources, 2023. http://dx.doi.org/10.58799/nmms-2023.636.

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Stoudt, David. "Colombian emeralds and their "oily" heritage." In 40th Annual New Mexico Mineral Symposium. New Mexico Bureau of Geology and Mineral Resources, 2019. http://dx.doi.org/10.58799/nmms-2019.558.

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Popov, M. P. "CRYSTAL AND CHEMICAL CHARACTERISTICS AND NATURE OF COLORATION OF CHRYSOBERYL AND ALEXANDRITE JEWELRY FROM THE URAL EMERALD MINES." In 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings. STEF92 Technology, 2019. http://dx.doi.org/10.5593/sgem2019/1.3/s04.098.

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Winitsky, Anabel G., and Brittani D. McNamee. "INDICATOR MINERAL ANALYSIS IN STREAM SEDIMENTS BORDERING THE NORTH AMERICAN EMERALD MINE IN ALEXANDER COUNTY, NORTH CAROLINA." In 68th Annual GSA Southeastern Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019se-326644.

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Zinchuk, N. N., and M. N. Zinchuk. "ABOUT THERMOBARIC FACTORS OF MINERALIZATION." In Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П. Н. Чирвинского. Perm State University, 2023. http://dx.doi.org/10.17072/chirvinsky.2023.65.

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Basig on the of resulti-year thermobarageochemical investigations it has beer shown that the origin of gualitative industrial ores depends on temperature, pressure, aggregate condition, composition and concentration of ore-forming fluids. It has beer shown that gualitative and formation of mineral associaons directiy depends on composition and concentration of hydrotherms during productive stages. Depending on specific conditions of mineral formation, secondary minerals emerged on each specific site of diatremes by initial magnesia silicates, occurrence of which took place either without carry

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Abdul Rahman, Muhd Nur Ismail, Ahmad Norzaimie Roslan, Nor Bakhiah Baharim, Azman Abdul Ghani, and Che Aziz Ali. "PETROGRAPHIC FEATURES AND MODELLING OF SOME WATERFALL ROCKS IN KENYIR LAKE, TERENGGANU: A MICROSCOPIC PERSPECTIVE APPROACH IN SUSTAINABLE GEOTOURISM." In GLOBAL TOURISM CONFERENCE 2021. PENERBIT UMT, 2021. http://dx.doi.org/10.46754/gtc.2021.11.018.

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Waterfalls around Kenyir Lake, Terengganu naturally serve as an iconic symbol of amazing rock bounded formation amidst the wilderness, which stores a hidden story for millions of years. The waterfalls feeding the Kenyir Lake have become tourists’ main attractions since they are located separately on a different island. There are three naturally picturesque waterfalls worth seeing in the study area, namely Sungai Buweh Waterfall, Lasir Waterfall, and Saok Waterfall, which are made up of granitic rock body that emerged in the Eastern Belt during the Late Triassic (~251.2 Ma). To date, the waterf

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Silveira de Araujo, Isa, Ibrahim Gomaa, and Zoya Heidari. "Molecular Dynamic Simulation of CO2 Flooding Into Mineral Nanopores in the Presence of Residual Oil." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0083.

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Greenfield residual oil zones (ROZ) are considerably thick columns of oil at residual or near-residual oil saturation. In these zones, oil can only be recovered through the application of unconventional methods. Therefore, greenfield ROZ has emerged as an attractive target for enhanced oil recovery (EOR) by CO2 flooding. The geochemistry of the solid surface, reservoir conditions, as well as oil composition are parameters known for having a significant impact on the wettability of the rock to reservoir fluids. Although extensive research has been dedicated to studying EOR by CO2 flooding, the

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Aamri, M., R. Zadjali, M. Sarfare, et al. "Mineralogical Based Geomechanical Model Assisted Hydraulic Fracture Design for Fiber Optics Well: Tested in a Tight Gas Sandstone Reservoir." In International Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/igs-2023-0263.

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Abstract Accelerated gas production within PDO is crucial to meet the growing demand for natural gas. However, this requires effectively extracting gas from complex tight sandstone formations, which poses challenges and necessitates a deep understanding of formation behavior. Hydraulic fracturing has emerged as a key method for reservoir development in PDO. Some tight gas fields in PDO have been developed using vertical wells targeting two different hydrocarbon commingled sandstone units (A, B). To ensure successful hydraulic fracture design, a robust geomechanics model is essential. However,

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Ali, Muhammad, Zeeshan Tariq, Muhammad Mubashir, Muhammad Shahzad Kamal, Bicheng Yan, and Hussein Hoteit. "Prediction of Pure Mineral-H2-Brine Wettability Using Data-Driven Machine Learning Modeling: Implications for H2 Geo-Storage." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23969-ms.

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Abstract Greenhouse gases, particularly carbon dioxide (CO2), have the effect of raising the Earth's temperature. To combat this issue and reduce carbon emissions, it is advisable to shift towards the widespread utilization of cleaner fuels, such as hydrogen. The establishment of a global-scale hydrogen economy, coupled with hydrogen geological storage, presents a viable solution to meet the world's energy demands while accommodating peak usage periods. In geological hydrogen (H2) storage, the rock formation wetting characteristics are essential to regulate fluid dynamics, injection rates, the

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Marapira, T. R., S. F. Alafnan, A. Raza, M. A. Mahmoud, M. Murtaza, and M. S. Kamal. "Enhanced CO2 Mineralization in Saline Aquifers Using Alkaline Earth Metals." In SPE Europe Energy Conference and Exhibition. SPE, 2025. https://doi.org/10.2118/225534-ms.

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Abstract Subsurface saline aquifer formations have emerged as a promising natural sink for mineral carbon dioxide (CO2) storage. However, there is a disconnect between the speed and permanence of the different trapping mechanisms that come into play when CO2 is injected into subsurface formations. This study aims to investigate the efficacy of chemical additives strontium chloride (SrCl2) and barium hydroxide (Ba(OH)2) in accelerating the two slowest CO2 trapping mechanisms, dissolution and mineralization, their effect on the dissolution of the carbonate-bearing minerals, and the changes in th

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Rapporti di organizzazioni sul tema "Emerald miners"

Livensperger, Carolyn, Rebecca Weissinger, Luke Gommermann, and Alice Wondrak Biel. Riparian monitoring of wadeable streams on the Fremont River, Capitol Reef National Park, 2009?2021. National Park Service, 2023. http://dx.doi.org/10.36967/2301391.

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The goal of Northern Colorado Plateau Network (NCPN) riparian monitoring is to deter-mine long-term trends in hydrologic, geomorphic, and vegetative properties of wadeable streams in the context of changes in other ecological drivers, stressors, and processes. This information is intended to provide early warning of resource degradation and determine natural variability of wadeable streams. This report summarizes NCPN monitoring of the Fremont River in Capitol Reef National Park (NP) from water years 2009 to 2021. The focus of this report is to (1) examine patterns in water availability at one

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