نتایج جستجو برای: pegmatite

تعداد نتایج: 412  

Journal: :Journal of South American Earth Sciences 2021

The Luís Alves Terrane in southern Brazil is one of the largest expositions Archean to Paleoproterozoic units that acted as basement for development Neoproterozoic Pan-African/Brasiliano orogenic belts Mantiqueira Province, South America. Combined field observations, petrography, Hf and U-Pb LA-ICP-MS zircon titanite isotopic data are presented this terrane. dataset spans a large time range wit...

2006
P. E. BROWN

IN a previous account (Brown, ~967) of the granitic sheets and veins in the Loch Coire migmatite complex, a metasomatic origin was postulated. This has now been confirmed by new analyses. Read (I93I) described the Loch Coire complex as made of three zones; one of unmigmatized meta-sediments, one of granitic veins and one of 'injection' or migmatite. The sheets and veins of granite (sensu lato),...

Journal: :Proceedings of the Karelian Research Centre of the Russian Academy of Sciences 2016

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید