7Quinby-Hunt M S,Wilde P.The provenance of low-calcic black shales[J].Min Deposit,1991,26(2):113-121.
8McArthur J M,Walsh J N.Rare-earth geochemistry of phosphorites[J].Chemical Geology,1984,47:191-220.
9Shields G,Stille P.Diagenetic constrains on the use of cerium anomalies as palaeoseawater redox proxies:an isotopic and REE study of Cambrian phosphorites[J].Chemical Geology,2001,175:29-48.
10Morad S,Felitsyn S.Identification of primary Ce-anomaly signatures in fossil biogenic apatite:implication for the Cambrian oceanic anoxia and phosphogenesis[J].Sedimentary Geology,2001,143:259-264.
