Based on geological observation and isotopic age data, a continuous cycle of granite iatrnsion from Early-Middle Triassic to Cretaceous has been demonstrated fo
Potash deposits and various types of breccia-bearing argillaceous roeksalts and their surfacial salt-dissolved rocks are found in the Lower Tertiary strata in J
Separation and analytical methods are dealt with for amino acids and their enantiomers in samples of geological interest. Agreement is obtained for Jflin meteor