flowstone
常见例句
- We have carried out ~230Th/~234U dating on intercalated calcite samples. The results show that the capping flowstone layer is of an age of 130 ka, and the second one 218 ka.
本文的兩個碳酸鹽巖樣品的~(230)Th/~(234)U年代表明,該地點表層鈣板在約130ka開始形成,第二鈣板層形成的年代爲距今218ka。 返回 flowstone