| 2. | Based on the detailed research on the sedimentary rocks of northwest ordos basin in their textures , structures , vertical sequences and logging response , six kinds of sedimentary facies can be recognized in this work , i . e . , alluvial fan , stream , fan delta , braided delta , delta , lake , barrier beach and carbonate platform , respectively , and more detailed classification of sedimentary subfacies and microfacies for each sedimentary facies are also made in the work
本文通过对鄂尔多斯盆地西北部沉积岩沉积结构、沉积构造、垂向序列及测井响应的深入研究，识别出冲积扇、河流、扇三角洲、辫状河三角洲、曲流河三角洲、湖泊、障壁海岸及碳酸盐台地等8种沉积相类型。在此基础上，对每一种沉积相又进行了详细的沉积亚相和微相的划分。 |
