Tectonic setting of late Archean bimodal volcanism in the Michipicoten (Wawa) greenstone belt, Ontario Sylvester, Paul J. ; Attoh, Kodjo ; Schulz, Klaus J. Abstract Publication: Canadian Journal of Earth Sciences Pub Date: 1987 DOI: 10.1139/e87-109 Bibcode: 1987CaJES..24.1120S