This paper studied the geochronology of sandstone-type uranium deposit in the Dongsheng area of Ordos Basin.
文章研究了鄂尔多斯盆地东胜地区砂岩型铀矿成矿年代学特征。
2
The results of systematic studies of geochronology, geochemistry and uranium metallogenic condition of volcanic rocks and granites in Guyuan-Duolun Basin are reported.
对沽源-多伦盆地火山岩类和花岗岩类进行了同位素地质年代学、地球化学和铀成矿条件的系统研究。
3
Up to now, the Earth's orbital parameters remain the only periodicities in geology subject to precise calculations and, therefore, may provide new scales for geochronology.