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- W4200316432 abstract "The Precambrian Zenaga inlier , which is located in the central Moroccan Anti-Atlas, contains a series of dikes and pegmatitic lenses that are mostly hosted in mica schist and the Taznakht granite . They have provided large quantities of beryl and muscovite and were distinguished by the presence of columbite-tantalite and several phosphate species. The investigated pegmatites are characterized by an abundance of quartz, muscovite, feldspars , tourmaline , and beryl and by the presence of accessory minerals such as apatite , zircon , sphene , and garnet . Their global geochemical characteristics show that they are derived from a fertile, peraluminous granite, which is an S-type granite with a calc-alkaline affinity. A petrogenetic relationships between the Taznakht granite and the pegmatites of Zenaga has been supported through (K/Rb) vs. Cs and (K/Cs) vs. Ta diagrams. These pegmatites are the result of moderate degrees of fractionation, with a slight enrichment in rare elements. The results obtained also allowed us to classify these pegmatites as lithium-cesium-tantalum-rich rare element pegmatites (REL-LCTs). • The Zenaga pegmatites are classified as LCT rich rare elements pegmatites • They are derived from a peraluminous S-type granite, with a calc-alkaline affinites • The Zenaga pegmatites are the result of a moderate degrees of fractionation • The chemical data support the petrogenetic link of pegmatites to Taznakht granite" @default.
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- W4200316432 date "2021-12-01" @default.
- W4200316432 modified "2023-09-29" @default.
- W4200316432 title "Eburneen pegmatites of the Zenaga inlier (Anti-Atlas, Morocco): Petrography, geochemistry, and classification" @default.
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- W4200316432 doi "https://doi.org/10.1016/j.jafrearsci.2021.104438" @default.
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