Добірка наукової літератури з теми "Mine abandonnée et ennoyée"
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Статті в журналах з теми "Mine abandonnée et ennoyée":
El Hachimi, M. L., L. El Founti, A. Bouabdli, N. Saïdi, M. Fekhoui, and N. Tassé. "Pb et As dans des eaux alcalines minières : contamination, comportement et risques (mine abandonnée de Zeïda, Maroc)." Revue des sciences de l'eau 20, no. 1 (April 5, 2007): 1–13. http://dx.doi.org/10.7202/014903ar.
Nfissi, Samiha, Saida Alikouss, Youssef Zerhouni, Zouhir Baroudi, and Mohamed Samir. "Alkaline amendment based of sludge pulp of sweets and clays: application to the tailings of the abandoned kettara mine (Morocco)." Annales de la Société Géologique du Nord, no. 25 (December 1, 2018): 75–81. http://dx.doi.org/10.54563/asgn.637.
Дисертації з теми "Mine abandonnée et ennoyée":
Namjesnik, Dalija. "Origin of seismicity related to a flooded abandoned coal mining district at Gardanne, Provence, France." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0116.
The closure of mines and post-mining management nowadays present a major challenge as the problems that arise can greatly concern public security. When mines are abandoned, groundwater pumping systems are usually stopped and the water which progressively fills the remaining voids can affect the mechanical stability of underground structures. In general, mechanisms of observed seismicity in flooded, post-mining districts have been poorly understood. As a case study, this thesis focused on the abandoned, flooded coal mine in Gardanne, France, which has been experiencing significant post-mining seismicity problems. Seismic activity in Gardanne mine seems to originate from an interaction between rocks and fluids, as spatio-temporal distribution of events suggests the link with intense rainfall events as well as the active pumping. The knowledge on the origin and the triggering mechanisms of the seismic activity in Gréasque and Regagnas sector is the key for seismic hazard assessment of the entire Gardanne basin. Thesis work focused on questions concerning precise identification of seismic source origin evaluating two hypothesis, determination of the mechanism behind the seismicity, link between seismicity and the hydrogeological system, as well as improving of the detection and location of microseismicity with a sparse network. The new developed detection and location methodology adapts the full waveform-based method BTBB by Poiata by overcoming the challenges of the sparse seismic monitoring network, and includes a novel approach for noise removal from continuous dataset as well as location quality-based classification system. The seismicity clustering behaviour was indicated by the new seismic catalogue 2014-2017, which was further analysed more thoroughly. All results are in favour of the origin of the seismic sources on the fault below the mine. Spatial and temporal characteristics of observed seismic events and multiplet and repeater occurrences provided a clearer image of the active geological structures and allowed a preliminary interpretation of possible mechanisms affecting the initiation and driving of the repeating or after-shock like behavior of seismic events, based on comparison with available hydrological data. Despite the general understanding of the mechanism behind the seismicity, the maximum magnitude of the events that can be triggered is at this moment is difficult to quantify and predict due to limitations of available data. As a prospective, in order to better understand the seismic hazard, more accurate observations of the seismicity, mechanical parameters and water level changes in the seismically active zone are required to improve the understanding and the interconnection between these factors
Lghoul, Meriem. "Apport de la géophysique, de l'hydrogéochimie et de la modélisation du transfert en DMA : projet de réhabilitation de la mine abandonnée de Kettara (région de Marrakech, Maroc)." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066147/document.
The Kettara site (Morocco) is an abandoned pyrrhotite ore mine in a semi-arid environment. The site contains more than 3 million tons of mine waste that were deposited on the surface without concern for environmental consequences. Tailings were stockpiled in a pond, in a dyke, and in piles over an area of approximately 16 ha and have generated acid mine drainage (AMD) for more than 29 years. Investigation results show that the hydrochemistry of water samples is characterized by the relatively significant enrichment in Ca2+, Mg2+ and SO 42-. Seasonal variations in major ion concentrations were partly attributed to dissolution/precipitation processes. The rehabilitation scenario being investigated at the Kettara mine involves using fine alkaline phosphate waste (APW) as both an amendment and a ‘store and release’ (SR) covert. To facilitate the success of this rehabilitation project, it was important to determine the nature of the geological substrate of the tailings pond and the internal structure of the mine wastes, and to estimate the volume of tailings by determining the thickness of the tailings layer in the tailings pond. The surveys geophysics realized made it possible to image the internal structure of the park with mining rejections and to estimate their volume (462 400 m3). The results obtained show the presence of fractured zones that constitute privileged drains for the transfer of the DMA to groundwater. The simulations results of the transport of the AMD in the event of rehabilitation of the site, showed that pollution decreases in a significant and long-term way
Lghoul, Meriem. "Apport de la géophysique, de l'hydrogéochimie et de la modélisation du transfert en DMA : projet de réhabilitation de la mine abandonnée de Kettara (région de Marrakech, Maroc)." Electronic Thesis or Diss., Paris 6, 2014. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2014PA066147.pdf.
The Kettara site (Morocco) is an abandoned pyrrhotite ore mine in a semi-arid environment. The site contains more than 3 million tons of mine waste that were deposited on the surface without concern for environmental consequences. Tailings were stockpiled in a pond, in a dyke, and in piles over an area of approximately 16 ha and have generated acid mine drainage (AMD) for more than 29 years. Investigation results show that the hydrochemistry of water samples is characterized by the relatively significant enrichment in Ca2+, Mg2+ and SO 42-. Seasonal variations in major ion concentrations were partly attributed to dissolution/precipitation processes. The rehabilitation scenario being investigated at the Kettara mine involves using fine alkaline phosphate waste (APW) as both an amendment and a ‘store and release’ (SR) covert. To facilitate the success of this rehabilitation project, it was important to determine the nature of the geological substrate of the tailings pond and the internal structure of the mine wastes, and to estimate the volume of tailings by determining the thickness of the tailings layer in the tailings pond. The surveys geophysics realized made it possible to image the internal structure of the park with mining rejections and to estimate their volume (462 400 m3). The results obtained show the presence of fractured zones that constitute privileged drains for the transfer of the DMA to groundwater. The simulations results of the transport of the AMD in the event of rehabilitation of the site, showed that pollution decreases in a significant and long-term way