THE NATURE AND EXTENT OF A STRATIGRAPHICAL BREAK IN THE CAMBRO-ORDOVICIAN LIMESTONES OF NORTHERN ANHUI,AND ITS BEARING UPON THE SYSTEMATIC CLASSIFICATJON OF THE CAMBRO-ORDOVICIAN STRATA
THE NATURE AND EXTENT OF A STRATIGRAPHICAL BREAK IN THE CAMBRO-ORDOVICIAN LIMESTONES OF NORTHERN ANHUI,AND ITS BEARING UPON THE SYSTEMATIC CLASSIFICATJON OF THE CAMBRO-ORDOVICIAN STRATA出 版 物：《地质学报》 (Acta Geologica Sinica)
年 卷 期：1922年第Z1期
页 面：89-96页
主 题：ab THE NATURE AND EXTENT OF A STRATIGRAPHICAL BREAK IN THE CAMBRO-ORDOVICIAN LIMESTONES OF NORTHERN ANHUI,AND ITS BEARING UPON THE SYSTEMATIC CLASSIFICATJON OF THE CAMBRO-ORDOVICIAN STRATA 戏班 加加
摘 要：Those who have followed the historical development of the systematicclassification of the old Palaeozoic rocks in Europe would undoubtedly wellremember how the Ordovician became recognized as a well-defined,independ-
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