Abstract

Abstract The Precambrian supracrustal rocks of Finland were produced during four main evolutionary stages: (1) late Archaean (Pre-Svecokarelidic) greenstone-schist evolution on an unknown basement; (2) at least four cycles of early Proterozoic (Karelian) continental-epi/pericontinental sedimentation and volcanism on or next to the cratonized late Archaean basement; (3) early Proterozoic (Svecofennian) eugeosynclinal evolution west of, or in part, on the late Archaean basement and its cratonic cover; and (4) middle to late Proterozoic (Jotnia) continental sedimentation on the stabilized early Proterozoic (Post Svecokarelidic) basement.

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