| Reference Type | Journal (article/letter/editorial) |
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| Title | Geochemistry and Mineralogy of the Clay-Type Ni-Laterite Deposit of San Felipe (Camagüey, Cuba) |
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| Journal | Minerals |
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| Authors | Tauler, Esperança | Author |
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| Galí, Salvador | Author |
| Benavent, Cristina | Author |
| Chang-Rodríguez, Alfonso | Author |
| Núñez-Cambra, Kenya | Author |
| Khazaradze, Giorgi | Author |
| Proenza, Joaquín Antonio | Author |
| Year | 2023 | Volume | < 13 > |
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| Issue | < 10 > |
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| URL | |
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| DOI | doi:10.3390/min13101281Search in ResearchGate |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16863082 | Long-form Identifier | mindat:1:5:16863082:2 |
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| GUID | 64c7ad0c-ab3c-4624-af57-168cf72f669b |
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| Full Reference | Tauler, Esperança, Galí, Salvador, Benavent, Cristina, Chang-Rodríguez, Alfonso, Núñez-Cambra, Kenya, Khazaradze, Giorgi, Proenza, Joaquín Antonio (2023) Geochemistry and Mineralogy of the Clay-Type Ni-Laterite Deposit of San Felipe (Camagüey, Cuba) Minerals, 13 (10) doi:10.3390/min13101281 |
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| Plain Text | Tauler, Esperança, Galí, Salvador, Benavent, Cristina, Chang-Rodríguez, Alfonso, Núñez-Cambra, Kenya, Khazaradze, Giorgi, Proenza, Joaquín Antonio (2023) Geochemistry and Mineralogy of the Clay-Type Ni-Laterite Deposit of San Felipe (Camagüey, Cuba) Minerals, 13 (10) doi:10.3390/min13101281 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | The Ni-laterite deposit at the San Felipe plateau, located 30 km northwest of Camagüey, in central Cuba, is the best example of a clay-type deposit in the Caribbean region. San Felipe resulted from the weathering of mantle peridotites of the Cretaceous Camagüey ophiolites. In this study, a geochemical and mineralogical characterization of two profiles (83 and 84) from the San Felipe deposit has been performed by XRF, ICP-MS, quantitative XRPD, oriented aggregate mount XRD, SEM, FE-SEM, and EMPA. Core 83, with a length of 23 m and drilled in the central part of the plateau, presents a notable concentration of cryptocrystalline quartz fragments and a rather poor content of NiO, averaging 0.87 wt.%. Core 84, which is 12 m long and drilled at the border of the plateau, lacks silica fragments and presents a higher NiO content, averaging 1.79 wt.%. The smectite structural formulae reveal that they evolve from trioctahedral to dioctahedral towards the top of the laterite profiles. Quantitative XRD analyses indicate that smectite is a dominant Ni-bearing phase, accompanied by serpentine and minor chlorite. Serpentine, as smectite, is enriched in the less soluble elements Fe3+, Al, and Ni towards the top of the profiles. Core 83 seems to have been affected by collapses and replenishments, whereas core 84 may have remained undisturbed. |
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