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生物地层划分
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  biostratigraphic division
     Biostratigraphic division of the Upper Carboniferous to Middle Permian in Zhejiang
     浙江省上石炭统—中二叠统生物地层划分进展
短句来源
     THE CARBONIFEROUS-PERMIAN BIOSTRATIGRAPHIC DIVISION OF DERIANGMATO-XIALASHAN OF THE XAINZA AREA, NORTHERN TIBET
     西藏北部申扎地区德日昂玛—下拉山石炭二叠系生物地层划分
短句来源
     and ③ distinguish between the "Liaonan biota" and "Huainan biota", make clear the evolutionary courses of these biotas, further discuss their phylogeny and relation with the late Neoproterozoic biota of South China and improve the scheme of the biostratigraphic division and correlation of the Neoproterozoic on the eastern margin of the North China platform.
     ③划分“辽南生物群”和“淮南生物群”的不同生物组合,明确各组合的演化历程,深入探讨其谱系归属及与华南地区晚新元古代生物群的关系,完善华北地台东缘新元古代生物地层划分和对比的方案。
短句来源
  biostratigraphic subdivision
     Late Quaternary diatom biostratigraphic subdivision and correlation in Okinawa Trough
     冲绳海槽晚第四纪硅藻生物地层划分与对比
短句来源
  biostratigraphic classification
     CHARACTERISTICS OF FOSSIL DINOSAURIAN EGG HORIZON IN DATANG BASIN OF XINFENG AND BIOSTRATIGRAPHIC CLASSIFICATION
     信丰大塘盆地恐龙蛋化石层位特征及其生物地层划分
短句来源
     On the basis of biostratigraphic classification ofdrills and outcrops, especially that of Lengke -1 well,authors calibrate seismic profiles, trace distributionrange of the lower and middle Jurassic, and compilesedimentary facies maps of Jurassic.
     依据钻井、露头的生物地层研究成果,特别是以冷科1井的生物地层划分为基础,笔者标定了地震剖面,追踪出了中、下侏罗统的分布范围及厚度,并编制了早、中株罗世沉积相平面图。
短句来源
  “生物地层划分”译为未确定词的双语例句
     ON BIOSTRATIGRAPHICAL SUBDIVISION OF YUHUANGDING FORMATION IN LIGUANQIAO BASIN OF EASTERN QINLING REGION
     秦岭东部李官桥盆地玉皇顶组生物地层划分
短句来源
     A QUANTITATIVE BIOSTRATIGRAPHIC CORRELATION AND SUBSIDENCE ANALYSIS FOR EASTERN ZHUJIANG RIVER MOUTH BASIN
     珠江口盆地东部定量生物地层划分对比及沉降历史分析
短句来源
     Further Study on Biostratum Division and Correlation of Early Permian Epoch of Mandula Area ofDamaoqi,Inner Mongolia
     内蒙古达茂旗满都拉地区早二叠世生物地层划分对比再研究
短句来源
     LATE MIOCENE-EARLY PLEISTOCENE BIOSTRATIGRAPHY OF THE LEIJIAHE AREA, LINGTAI, GANSU
     甘肃灵台晚中新世—早更新世生物地层划分及其意义
短句来源
     Which have been researched many times by paleontologists. During 1∶50000 regional geological servey,it was further studied on biostratum's division and correlation and established the area of stratigrphic sequence with fusulinids standard which have divided into two units:under part is Monodiexodina range-zone and upper part is Codonofusiella-Schwagerina assemblage-zone.
     本次1∶5万区调,分队再次进行了生物地层划分对比研究,并以类为标准确立该区地层层序,将其划分为两个单位:下部Monodiexodina延限带,上部Codonofusiela-Schwagerina组合带。
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  biostratigraphic subdivision
The biostratigraphic subdivision of Upper Quaternary sediments is based on foraminifers.
      
Biostratigraphic subdivision and correlation of Uppermost Carboniferous/Lower Permian sediments in the Southern Alps: Fusulinoid
      
The Upper Sinemurian allows a much more refined biostratigraphic subdivision and more acute correlations.
      
  biostratigraphic classification
Lithostratigraphic subdivision of the Karoo rocks of the Luwegu Basin (Tanzania) and their biostratigraphic classification based
      
Both of these zonations represent a general framework for the biostratigraphic classification of midto lowlatitude assemblages.
      


Biostratigraphic units are those classified according to the speciality and uniformity of paleontologic characteristics of fossiliferous strata. The evolution of organisms makes biostratigraphic units incomplete, irreversible and overlap in time and space, and have no unambiguous hierarchy of subdivision. Therefore, they can not become an independent and complete stratigraphic classification system. Fossils make a part of strata and traces of organisms are specific manifestations of stratigraphic entity, and...

Biostratigraphic units are those classified according to the speciality and uniformity of paleontologic characteristics of fossiliferous strata. The evolution of organisms makes biostratigraphic units incomplete, irreversible and overlap in time and space, and have no unambiguous hierarchy of subdivision. Therefore, they can not become an independent and complete stratigraphic classification system. Fossils make a part of strata and traces of organisms are specific manifestations of stratigraphic entity, and biostratigraphic subdivision belongs to the lithostratigraphic subdivision in nature.There are only two kinds of criterion for stratigraphic classification, one is concrete(lithologic) and the other is abstract (timely). Biostratigraphic units are merely a useful method in stratigraphic correlation and the establishment of the geologic time scale.

生物演化的特性使生物地层单位具有不完备性、重叠性和时间性,且无明确的级别.不能形成独立完整的地层分类系统.地层中的生物遗体和遗迹是岩层总体特征的具体表现,故生物地层划分本质上属于岩性地层划分.

Applying modern stratigraphic principles to discussing the stratigraphic problems at Wudang of Guiyang,this paper has clarified several deputed stratigraphic problems and added some new ideas to the stratigraphic division at Wudang from iithostratigaphy,biostratigraphy and chronostratigraphy.This paper also points out that it is imper- ative to strengthen the biostratigraphic research at Wudang.

本文应用多重地层划分理论,比较系统地讨论和澄清了乌当地区岩石地层划分,生物地层划分和年代地层划分方面有争议的几个地层问题,提出了一些新的认识和看法,并指出生物地层研究在乌当地区还很薄弱,亟待加强。

This paper is a preliminary summary of the study of the Palaeogene biostratigraphy of the Liguanqiao, Tantou and Yuanqu basins, and it proposes a new idea about Palaeogene palaeobiogeographic provinces of China.

本文是对李官桥,潭头和垣曲3个盆地下第三系对比研究的一个初步总结,并提出了中国早第三纪生物古地理区系划分的新概念。根据3个盆地地质资料的综合分析和哺乳动物群的性质,以及与国内外相应动物群的对比研究,对其早第三纪生物地层划分和时代提出了新的看法。基于生物地层发育顺序,哺乳动物化石组合特征以及控盆断裂发育方向上的差异,本文划分出了我国早第三纪6个生物古地理区系:Ⅰ.天山-阴山-图门区;Ⅱ.塔里木-华北区;Ⅲ.昆仑-秦岭区;Ⅳ.扬子区;Ⅴ.南岭及东南沿海区;Ⅵ.青藏区。

 
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