释义 |
Eogene ,i:әu'dʒin BNC²³⁶²¹³⁺¹ 基本例句 =Paleogene地质早第三纪,下第三纪 The basin tectonic model: it is intermont basin during late Jurassic to early Cretaceous, developed into faulted- lacustrine basin in Eogene, and evolved into depression in Neogene and Quaternary. “盆地”构造发育模式为:从晚侏罗世到白垩纪末期发育的山间“盆地”开始、发展到早第三纪断陷湖盆的发育、再演化为晚第三纪及第四纪地陷发育阶段。 iciba With indicating significance of geochemical characteristics of Sr isotope in sedimentary environment, characteristics of Sr isotope in Eogene saline deposits in Dongpu depression have been studied. 利用锶同位素地球化学行为、地球化学特征及这些特征在沉积环境方面的指示意义,分析了东濮凹陷下第三系盐湖沉积的锶同位素特征。 dictall |