凝灰岩的 meaning in Chinese
tophaceous
tuffaceous
Examples
- The concept holds that uranium is leached by groundwater from tuffeceous rocks .
该理论认为,来自凝灰岩的地下水淋蚀铀。 - The stratum , deposited in nongba which in eastern part of gengma area and composed by sandstone , mudstone and silicate and tuff interlayers , was named by former man as nanpihe formation and papai formation , and their age were later permian and early triassic respectively
耿马弄巴地区出露一套以砂泥质岩为主体夹硅质岩、凝灰岩的地层，前人将它命名为南皮河组和怕拍组，并分别定名为晚二叠世和早三叠世。