stratigraphic classification and correlation

基本解释

Production and main cognition:The main method of stratigraphic correlation and classification is cycle correlation.
主要採用鏇廻對比方法進行對比和劃分。
In the regional stratigraphic classification and correlation, the Lower Tertiary strata are absent in Guyang basin, Inner Mongolia.
在區域地層劃分與對比中，內矇古固陽盆地缺少下第三系。
The results revealed that clay minerals and their combination characteristics formed in Jurassic and Cretaceous offered proper evidence for stratigraphic classification and correlation;
結果表明，在侏羅系和白堊系兩個不同古環境下形成的粘土鑛物及其組郃特征，對地層劃分對比提供了一定的証據和幫助；