摘要
围绕地质时间坐标的建立和优化，地层学经历了三次重要革命，形成了三种有代表性的地层学形态：斯坦诺地层学（１６６９年）、史密斯地层学（１８１７年）和高分辨率地层学（１９６９年）。高分辨率地层学的显著特色是划分、对比出的主体地层单元的持续时间必须小于百万年级。十万年级至千年级高分辨率地层划分对比和高分辨率地质时间坐标的建立可望通过对地层记录中Ｍｉ－ｌａｎｋｏｖｉｔｃｈ旋回和ＥＮＳＯ事件沉积的高分辨率地层学研究实现。
During the establishment and optimization of a geological time coordination,stratigraphy has undergone three important revolutions.The typical stratigraphical discipline including stenoian stratigraphy(1669),Smithian stratigraphy(1817)and high resolution stratigraphy(1969)has been formed.A high resolution stratigraphy is characterized by less than one million time span of a stratigraphical unit constructed by subdivision and correlation.Both the subdivision and correlation of stratigraphy and the establishment of the geological time coordination from 10 5 10 3 year′s high resolution spectrum can be realized by studying the Milankovitch cycles and ENSO event deposits.
出处
《地质科技情报》
CAS
CSCD
北大核心
1999年第2期32-36,共5页
Geological Science and Technology Information
基金
国家"九五"攀登计划
高等学校博士学科点专项科研基金
