Stratigraphic synthesis of the Hudson Platform in Manitoba, Ontario, and Nunavut: Ordovician-Silurian

5 PREVIOUS WORK 6 RECENT WORK AND DATA USED FOR CORRELATIONS 8 Hudson Bay Lowland – northeastern Manitoba 8 Hudson Bay Lowland and Moose River Basin – northern Ontario 10 Central offshore Hudson Bay 10 Northern Hudson Bay – Southampton Island 10 Foxe Basin – Baffin Island, Rowley Island and Melville Peninsula 11 Hudson Strait – Akpatok Island 11 STRATIGRAPHIC FRAMEWORK 11 The Ordovician black shales – the issue with the original Boas River Formation 11 Ordovician units of the Churchill coastal area 13 Correlating Ordovician stratigraphy from Manitoba to Ontario 13 The Ordovician-Silurian boundary 14 The Silurian Severn River Formation 15 The Silurian Ekwan – Attawapiskat pair 15 The Kenogami River Formation 16 ACKNOWLEDGEMENTS 17 REFERENCES 18 ANNEXES 1 to 6 24