“…The Palaeoproterozoic Svecofennian orogeny (c. 1.9-1.7 Ga) was the most important tectonic event to affect the northern Fennoscandian Shield and was also the last major ductile event to penetratively shape the present-day structural grain of the exposed units (Koistinen et al, 2001). The Palaeoproterozoic deformation is interpreted to result from the accretion of island arc fragments possibly during several orogenic events (e.g., Marker, 1985, Nironen, 1997Beunk & Page, 2001;Korja et al, 2006;Lahtinen et al, 2008;Angvik, 2014). The individual fragments accreted on to the western margin of the Archaean craton and consist of island arc and subduction-related basinal metasupracrustal rocks.…”