| Reference Type | Journal (article/letter/editorial) |
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| Title | Geological and Geomechanical Characterization of Phosphate Mine Waste Rock in View of Their Potential Civil Applications: A Case Study of the Benguerir Mine Site, Morocco |
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| Journal | Minerals |
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| Authors | Chlahbi, Safa | Author |
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| Belem, Tikou | Author |
| Elghali, Abdellatif | Author |
| Rochdane, Samia | Author |
| Zerouali, Essaid | Author |
| Inabi, Omar | Author |
| Benzaazoua, Mostafa | Author |
| Year | 2023 | Volume | < 13 > |
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| Issue | < 10 > |
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| URL | |
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| DOI | doi:10.3390/min13101291Search in ResearchGate |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16867583 | Long-form Identifier | mindat:1:5:16867583:0 |
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| GUID | 0 |
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| Full Reference | Chlahbi, Safa, Belem, Tikou, Elghali, Abdellatif, Rochdane, Samia, Zerouali, Essaid, Inabi, Omar, Benzaazoua, Mostafa (2023) Geological and Geomechanical Characterization of Phosphate Mine Waste Rock in View of Their Potential Civil Applications: A Case Study of the Benguerir Mine Site, Morocco. Minerals, 13 (10) doi:10.3390/min13101291 |
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| Plain Text | Chlahbi, Safa, Belem, Tikou, Elghali, Abdellatif, Rochdane, Samia, Zerouali, Essaid, Inabi, Omar, Benzaazoua, Mostafa (2023) Geological and Geomechanical Characterization of Phosphate Mine Waste Rock in View of Their Potential Civil Applications: A Case Study of the Benguerir Mine Site, Morocco. Minerals, 13 (10) doi:10.3390/min13101291 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | Sedimentary phosphate extraction in open-pit operations generates large volumes of waste rock (WR), which are mainly overburdens and interburdens. Traditionally, the WR is mixed and stored on the surface in waste rock piles (WRPs). This paper presents a case study of the Benguerir mine site in Morocco. It investigates the potential valorization of each WR lithology based on the geological and geomechanical properties to reduce their environmental footprint and create added value to “waste.” The WR samples (soils and rocks) were collected from drill cores and mining trenches in the Benguerir mine. The geological characterization results using petrographic descriptions indicate the presence of nine phosphate layers and, in addition to the overburdens, eight interburdens. Four types of WR are identified: carbonate, siliceous, marly clay, and phosphate. The geomechanical characterization of soil-like samples showed an average plasticity index (PI) of 50% according to the methylene blue value (MBV) of 7.1, classifying them in the A3–A4 categories as plastic and clayey marl soils. The hard rock samples have excellent mechanical properties in terms of their uniaxial compressive strength (UCS), Los Angeles abrasion value (LA), and micro-Deval value (MD). The average compressive strength is 104 MPa for the flint, 35 MPa for the phosphate flint, 32 MPa for the silexite, 26 MPa for the limestone, 11 MPa for the indurated phosphate, and 8 MPa for the marly limestone. Based on the obtained results, these WRs can be considered as an excellent alternative secondary raw material for use in civil engineering applications, ceramics, and cement industries. |
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