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- W3160852414 endingPage "106229" @default.
- W3160852414 startingPage "106229" @default.
- W3160852414 abstract "Tin and other high-field-strength (HFS) elements are becoming increasingly significant, driven by technological advancements and a global effort to develop alternative energy solutions. A-type granites are associated with the mineralisation of these critical metals and therefore, investigating the influences on their metallogenic potential is essential for future exploration. The geochemical comparison between selected mineralised and unmineralised African A-Type granites, highlights the importance and implications of fractionation, crustal contamination, crustal emplacement and the composition and evolution of the magmatic-hydrothermal fluid in the development of endogranitic Sn mineralisation. Trace elemental ratios such as Zr/Hf, Nb/Ta and Y/Ho demonstrate the relationship between the degree of fractionation and interaction with acidic, F- and Cl-rich magmatic-hydrothermal fluids in these mineralised and barren African examples. Circumstantial differences in magmatic origin, not only directly influence the metallogenic budget of a granite but also influence the F and B content of the later stages of felsic magmatism. These volatiles prolong fractionation, consequently facilitating the likelihood of HFS element saturation and the development of an economic deposit. Moreover, the combination of continental setting and the enrichment of HFS and volatile elements by the assimilation of fortuitous crustal lithologies can upgrade an originally unfavourable magma composition, to one with a potential for mineralisation. It is therefore shown that mineralisation is ultimately achieved through a series of sequential, incompatible and HFS element enrichment stages, which culminate in the accumulation of sufficient metals to produce economically significant mineralisation. • Major and Trace element geochemistry review of African A-Type granites. • Fractionation, contamination, crustal emplacement and hydrothermal fluid influence A-Type granite metallogenic potential • The fortuitous assimilation of crustal material can upgrade an uneconomic magma to a viable mineralisation candidate." @default.
- W3160852414 created "2021-05-24" @default.
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- W3160852414 creator A5054727196 @default.
- W3160852414 creator A5061572442 @default.
- W3160852414 creator A5087524572 @default.
- W3160852414 date "2021-09-01" @default.
- W3160852414 modified "2023-09-27" @default.
- W3160852414 title "African A-Type granites: A geochemical review on metallogenic potential" @default.
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- W3160852414 doi "https://doi.org/10.1016/j.lithos.2021.106229" @default.
- W3160852414 hasPublicationYear "2021" @default.
- W3160852414 type Work @default.