stratigraphic classification and correlation

基本解释

Production and main cognition:The main method of stratigraphic correlation and classification is cycle correlation.
主要采用旋回对比方法进行对比和划分。
In the regional stratigraphic classification and correlation, the Lower Tertiary strata are absent in Guyang basin, Inner Mongolia.
在区域地层划分与对比中，内蒙古固阳盆地缺少下第三系。
The results revealed that clay minerals and their combination characteristics formed in Jurassic and Cretaceous offered proper evidence for stratigraphic classification and correlation;
结果表明，在侏罗系和白垩系两个不同古环境下形成的粘土矿物及其组合特征，对地层划分对比提供了一定的证据和帮助；