The Tianshui P deposit is a middle one of 5 000 000T,which submitted exploration reserves in 1979;it is almost exhausted up till the present moment.
甜水磷矿是1979年提交勘探储量500万t的中型矿床,目前已采掘近空。
Ce-rhabdophane grains less than 10 μm in diameter were discovered in goethite in incipient weathering sample.
研究发现初期风化样品的针铁矿有微米大小的稀土磷酸盐矿物水磷铈石产出。
