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U-Pb Geochronology of the Jebba Granitic Gneiss and Its Implications for the Paleoproterozoic Evolution of Jebba Area, Southwestern Nigeria
Jebba Area Nigeria Granitic Gneiss U-Pb Dating Paleoproterozoic Eburnean Orogeny
2013/3/11
Jebba area southwestern Nigeria forms part of the Nigerian basement complex which lies in the Neoproterozoic PanAfrican mobile belt. It is underlain by several lithological units among which is a poly...
Silurian gabbro-diorite-trondhjemite plutons in the Trondheim Nappe Complex,Caledonides,Norway:petrology and U-Pb geochronology
Silurian gabbro-diorite-trondhjemite plutons Trondheim Nappe Complex petrology U-Pb geochronology
2009/12/2
Large bodies of trondhjemite, up to 200 km2 in size and locally coexisting with diorite and gabbro, represent an important plutonic component of the Köli Nappes in the Trondheim Region. Zircon (a...