Search for dissertations about: "Sveconorwegian orogen"
Showing result 6 - 8 of 8 swedish dissertations containing the words Sveconorwegian orogen.
-
6. Geochemical Development of Proterozoic Granites in the SW Baltic Shield
Abstract : The plutonic rocks in the Western Segment of the Southwestern Swedish Gneiss Complex show a distinct geochemical evolution. The 1.6 Ga Åmål granitoids and Slottsbron migmatites are a quartz dioritic to granodioritic, calc-alkaline rock suite with smooth, but somewhat fractionated, REE and other trace-element patterns. READ MORE
-
7. The tectonic evolution of northwest Svalbard
Abstract : Svalbard represents the uplifted and exhumed northwest corner of the Barents Sea Shelf. Pre-Carboniferous rocks of Svalbard are divided into the Eastern, Northwestern and Southwestern Terranes, were amalgamated during the Caledonian Orogen and are separated by north-south-trending strike-slip faults. READ MORE
-
8. Evolution of continental crust in the Proterozoic : growth and reworking in orogenic systems
Abstract : To understand the growth of continental crust, the balance between juvenile mantle derived extraction, infracrustal reworking and crustal recycling, needs to be estimated. Since the beginning of the century, the use of coupled in situ zircon U–Pb, Lu–Hf and O isotope analyses as a tool to address these questions have increased exponentially. READ MORE