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- W2186241459 abstract "An investigation to identify the suitability of zircon crystals as provenance indicators of the relatively mature sandstones of the Neoproterozoic strata in the Voltaian Basin was conducted. A total of 154 zircon grains were critically studied, all extracted from 14 sandstones samples; 7 from Lower Voltaian Kwahu-Morago Group and 7 from the Middle Voltaian Oti-Pendjari Group. Zircon typology analysis indicates anatectic origin with some contribution of a volcanic material for the Kwahu-Morago Group. Zircons from the Oti-Pendjari Group, however, showed an evolution in the source-area with three probable main sources identified for the sediments. These are; (1) zircon sub-population of crustal origin as one of the sources, (2) zircon sub-population with a strong mantle affinity and towards a more aluminous type. These zircon sub-populations have been interpreted as coming either from the same calc-alkaline source rock; or that it has its origin in two distinct sources, one with calc-alkaline and the other one with a subalkaline origin. The zircon typology study here shows that the Kwahu-Morago Group experienced sediment supply mainly from the Birimian sedimentary basins with some contribution from the volcanic belts. On the other hand sediments from the Oti-Pendjari Group were mostly derived from the calc-alkaline rocks of the Pan-African orogen with minor contribution from the Birimian granitoids. This study clearly showed that zircon typology does not only help establish provenance study but also adds a considerable degree of sophistication." @default.
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- W2186241459 date "2012-01-01" @default.
- W2186241459 modified "2023-09-26" @default.
- W2186241459 title "Zircon Typology as Indicator of Provenance in Neoproterozoic Sandstones of the Voltaian Basin, Ghana" @default.
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