Contents of major and noble chemical elements in phosphorites and bottom sedi...

Ag and Au are typically concentrated in phosphorites; they genetically related to organic matter of bottom sediments that extract these elements from seawater or interstitial...

银（Ag）与金（Au）通常富集于磷块岩（phosphorites）中；二者成因上与海底沉积物中的有机质密切相关，该类有机质可从海水或间隙（interstitial）……中萃取上述元素。