岩石地层学
- 名lithostratigraphy
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克拉通盆地旋回性沉积记录与成因岩石地层学
Records of cyclic sedimentation and genetic lithostratigraphy in Craton Basin
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现代岩石地层学的基本内容包括:(1)岩石地层单位的建立或厘定,(2)地层的成因,(3)地层的时代;
The main contents of modern lithostratigraphy include : ( 1 ) the establishment of lithostratigraphic units ; ( 2 ) the genesis of strata ;
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通过对汤D3井孢粉化石及岩石地层学的研究,发现该井下部含有特征明显的白垩纪孢粉化石组合,为汤原地区地层层序的建立、地层划分与对比,以及地质时代的确定提供了重要依据。
By analyzing sporopollen fossil and rock stratigraphy of well Tang D3 , this paper discusses the discovery of Cretaceous sporopollen fossil assemblage with evident characteristic , which provides an important basis for establishing sequences and their division and correlation and determining geologic period in Tangyuan area .
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1:5万区调中陆相岩石地层学研究方法探讨
On the study-methods of continental litho-stratigraphy in regional geologic surrey of 1:50000
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针对目标地层的时代判别与对比,作者除了运用传统的生物地层学和岩石地层学方法外,还成功地将泥岩矿物学和元素地球化学作为辅助标志应用其中。
The authors distinguish and compare the strata by using not only biological stratigraphy and rock stratigraphy but also mudstone mineralogy and element geochemistry .
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采取点、线、面相结合,岩石地层学、生物地层学和同位素年代学相结合的工作方法,研究了这套地层的层序、划分和对比问题;
The succession , division and correlation of these strata are studied with lithostratigraphy , biostratigraphy and isotopic geochronology methods and by the combination of of point , line and area .
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通过1:25万区域地质调查,对西乌珠穆沁旗-林西地区石炭纪-二叠纪地层进行了岩石地层学研究与重新归并划分,并进行了生物地层、层序地层及不整合面地层的多重地层划分与对比。
On the basis of 1:250000 regional geological survey , the authors made a lithostratigraphic study and redivision of the Carboniferous-Permian strata in the Xi Ujimqin Qi-Linxi area , southeastern Inner Mongolia , and used the biostratigraphic , sequence stratigraphic and unconformity approaches to make multiple stratigraphic division and correlation .
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年代线限定的岩石体(即等时体chronosome)的三维作图构成了地下岩石性质和生物地层学定量预测的基础。
The three-dimensional mapping of time-bounded bodies of rock ( chronosome ) forms the basis of quantitative prediction of both rock properties and biostratigraphy in the subsurface .