地层区划

概要介绍了四川西部地层多重划分对比研究成果&修订后的四川西部地层区划和岩石地层序列。

This paper briefly introduces the achievements in the study of the multiple stratigraphic classification and correlation-revised integrated stratigraphic regionalization and lithostratigraphic sequence-in western Sichuan .

四川盆地西缘中新生代地层区划及盆山演化

Regionalization of Mesozoic-Cenozoic Strata and Basin-Range Evolution along the West Margin of Sichuan Basin

通过对其进行比较系统的整理与总结，共计发现微古植物化石52属111种，按地层区划及不同时期又可划分为9个微古植物组合。

By the systematic study , the fossils belong to 52 genus 111 species divided to 9 micro palaeophyte assemblages .

鄂西南地区在地层区划上归属扬子地层区之上扬子分区，晚二叠世地层岩石组合类型多样。

Southwestern Hubei area belongs to upper Yangtze subarea of Yangtze stratum area , the late permian stratigraphic rock combination type is various .

大陆边缘沉积的确定是佳-蒙地块建立的重要支撑；是合理的地层区划、区域地层划分对比的理论依据之一；是地层格架建立的理论基础。

The confirmation of continental margin deposits as one of the important theoretical bases of stratigraphic provincialism , division and correlation , and stratigraphic framework , supported the establishment of Jiamusi-Mongolia Block and laid solid foundation of stratigraphy to the exploration and exploitation of mineral deposits .

对研究新疆南部地区晚三叠世地层、中国地层区划及晚三叠世植物群地理分区、以及板块构造等均具有重要意义。

In detailed descriptions and analyses of its compositions , characteristics and geographic distributions , the paper discussed the important significance of this discovery on the study of late Triassic strata , strati-graphic divisions and geographic distributions of plants , and associated plate tectonics in southern Xinjiang .

由于该套地层在黄哈吐地区为首次发现，对大地构造及地层区划等基础地质的研究有着重要意义。

The strata discovered firstly in Huang-Hetu area are of indicative significance for basic research , such as division of geotectonics and strata .