CONTENTS 



Page 



Introduction 1 



Acknowledgments 2 



Bibliography 2 



Chinese place names referred to in this report 4 



Part 1 : Stratigraphical geology 6 



Geographic distribution of Canadian and Ordovician strata in South 



Manchuria 6 



Previous stratigraphic work 7 



Geological nomenclature 10 



Description of the formations 12 



Ordovician system 12 



Boundaries of the Ordovician 12 



Ssuyen formation 12 



Wuting formation 15 



Kangyao formation 17 



Canadian system 17 



Santao formation 18 



Description of the stratigraphic sections 19 



Kuantung district 19 



Kan-tao-tzu section 19 



Pechili district 20 



Wu-hu-tsui subdistrict 20 



Tai-tzu-ho district 21 



Liaoyang-Yentai subdistrict 21 



Shang-ping-chou section 22 



Hsia-kang-yao section 22 



Penhsihu-Niuhsintai subdistrict 24 



Fu-chin-ling section 24 



Pen-hsi-hu section 25 



Tao-yuan-kou section 27 



Niu-hsin-tai section 28 



Hsiaoshih-Tienshihfukou subdistrict 29 



Hsiao-shih section 29 



Comments on the geographic distribution of the Ordovician 30 



Stratigraphic correlations 31 



Part 2 : Paleontology 36 



Introduction 36 



Spongiae 36 



Echinodermata 41 



Brachiopoda 41 



Gastropoda 50 



Cephalopoda 62 



Trilobita 109 



Explanation of plates 116 



Index 149 



III 



