| Reference Type | Journal (article/letter/editorial) |
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| Title | Prediction of Buried Cobalt-Bearing Arsenides Using Ionic Leach Geochemistry in the Bou Azzer-El Graara Inlier (Central Anti-Atlas, Morocco): Implications for Mineral Exploration |
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| Journal | Minerals |
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| Authors | Lmahfoudi, Yassine | Author |
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| Ouali, Houssa | Author |
| Ilmen, Said | Author |
| Hajjar, Zaineb | Author |
| El-Masoudy, Ali | Author |
| Birrell, Russell | Author |
| Sapor, Laurent | Author |
| Zouhair, Mohamed | Author |
| Maacha, Lhou | Author |
| Year | 2025 | Volume | < 15 > |
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| Issue | < 7 > |
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| URL | |
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| DOI | doi:10.3390/min15070676Search in ResearchGate |
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| Generate Citation Formats |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 18599119 | Long-form Identifier | mindat:1:5:18599119:7 |
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| GUID | 0 |
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| Full Reference | Lmahfoudi, Yassine; Ouali, Houssa; Ilmen, Said; Hajjar, Zaineb; El-Masoudy, Ali; Birrell, Russell; Sapor, Laurent; Zouhair, Mohamed; Maacha, Lhou (2025) Prediction of Buried Cobalt-Bearing Arsenides Using Ionic Leach Geochemistry in the Bou Azzer-El Graara Inlier (Central Anti-Atlas, Morocco): Implications for Mineral Exploration. Minerals, 15 (7). doi:10.3390/min15070676 |
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| Plain Text | Lmahfoudi, Yassine; Ouali, Houssa; Ilmen, Said; Hajjar, Zaineb; El-Masoudy, Ali; Birrell, Russell; Sapor, Laurent; Zouhair, Mohamed; Maacha, Lhou (2025) Prediction of Buried Cobalt-Bearing Arsenides Using Ionic Leach Geochemistry in the Bou Azzer-El Graara Inlier (Central Anti-Atlas, Morocco): Implications for Mineral Exploration. Minerals, 15 (7). doi:10.3390/min15070676 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | The Aghbar-Bou Azzer East mining district (ABED) is located between the Bou Azzer East and Aghbar deposits. It is an area of approximately 7 km long towards ENEâWSW and 2 km wide towards NâS. In this barren area, volcano-sedimentary rocks are attributed to the Ouarzazate group outcrop (Ediacarian age): they are composed of volcanic rocks (ignimbrite, andesite, rhyolite, dacite, etc.) covered by the Adoudou detritic formation in angular unconformity. Given the absence of serpentinite outcrops, exploration investigation in this area has been very limited. This paper aims to use ionic leach geochemistry (on samples of soil) to detect the presence of Co-bearing arsenides above hidden ore deposits in this unexplored area of the Bou Azzer inlier. In addition, a detailed structural analysis allowed the identification of four families of faults and fractures with or without filling. Three directional major fault systems of several kilometers in length and variable orientation in both the Cryogenian basement and the Ediacaran cover have been identified: (i) ENEâWSW, (ii) NEâSW, and (iii) NWâSE. Several geochemical anomalies for Co, As, Ni, Ag, and Cu are aligned along three main directions, including NEâSW, NWâSE, and ENEâWSW. They are particularly well-defined in the western zone but are only minor in the central and eastern zones. Some of these anomalies correlate with the primary structural features observed in the studied area. These trends are consistent with those known under mining exploitation in nearby ore deposits, supporting the potential for similar mineralization in the ABED. Based on structural analysis and ionic leach geochemistry, drilling programs were conducted in the study area, confirming the continuity of serpentinites at depth beneath the Ediacaran cover and the presence of CoâFe-bearing arsenide ores. This validates the ionic geochemistry technique as a reliable method for exploring buried ore deposits. |
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