flowstone
n. [地]流石
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. 本文的两个碳酸盐岩样品的~(230)Th/~(234)U年代表明,该地点表层钙板在约130ka开始形成,第二钙板层形成的年代为距今218ka。