Geochemistry and Mineralogy of Basic–Ultrabasic and Alkaline Intrusions and Related Magmatic Deposits
Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 6740
Interests: PGE-Cu-Ni deposits; Siberian traps; geochemistry; melt inclusions; olivine
Interests: peralkaline magmatism; origin of rare metal deposits; geochemistry of strategic metals; isotopic signature of alkaline and carbonatites
Magmatic deposits are the source of strategic metals supplied to the global market. Ultrabasic–basic complexes comprise PGE, Cu-Ni, Cr, Ti, and V deposits; many deposits of rare metals (Zr, Ta, Nb, Be, Y, Sc, Li, Ge) are related to alkaline intrusions. These metals play an important role in high-tech, green-tech methodology. Both types of intrusions are often located within the same tectonic structures (intraplate, rift). The factors affecting magmatic deposits include their structural positions, compositions of parental magmas, sources of magmas, conditions of magma generation and crystallization (P, T, fO2), and the fluid regime of magmas. One of the vital problems faced in terms of magmatic deposits is due to the mechanisms of metal concentrations, which lead to the appearance of super large deposits such as Norilsk, Khibiny, etc. These mechanisms may be different for single deposits; our task is to recognize them. Thus, analyses of geological settings, the geochemical and mineralogical compositions of host rocks (major, trace elements; Sr, Nd, Pb isotope data) and related ores (including S, Re-Os isotopes) should be conducted to reconstruct deposit formations.
Dr. Nadezhda Krivolutskaya
Prof. Dr. Lia Nikolaevna Kogarko
Dr. Victor Zaitsev
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- Basic–ultrabasic intrusions
- Alkaline magmatism
- PGE-Cu-Ni deposits
- Fe-Ti-V mineralization
- Cr ores
- Nb deposits
- Zr (eudialyte) deposits
- Rare-earth deposits
- Apatite deposits