中國中生代地層概要

一中國中生代海陸分佈之情形 統覽中國地質史,古生代之海相地層,遍佈中國,迨至古生代之末葉,石炭紀及二叠紀,海相與陸相地層,二者兼而有之,約而計之,海陸參半。迄至中生代,陸地特別增加,海水逐渐撤退,此後陸相地層,與海相地層,二者較而論之,不啻倍蓰焉。     

A BRIEF SUMMARY OFTHE TERTIARY FORMATIONS OF INNER MONGOLIA AND THEIR CORRELATION WITH EUROPE AND NORTH AMERICA

INTRODUCTION Before the Central Asiatic Expeditions was sent into Mongolia by the American Museum of Natural History in New York, the geology and palaeontology of that enormous territorv remained quite unknown to the scientific world.     

中國志留紀地層概要

中國志留紀地層,最初德人李希霍芬在秦嶺山之南麓,四川北部陕西西南部與甘肃南部,曾經一度研究。李氏復在南京附近之崙山奧陶紀石灰岩之上,發現筆石頁岩層。嗣後美人威理士調查揚子峽地質,統名巫山石灰岩以下徐家壩過渡層以上之頁岩砂岩系,曰新灘頁岩,彼等在新灘頁岩内並未採得化石,僅依其層