Soon for the security of phosphorus world supply, which comes primarily from non-renewable sources, the moderate carbonate phosphates will need further geochemical multidiscipline investigations to participate in the phosphorous supply chains necessary to increase human productivity. Dolomitic phosphates represented the main carbonate phosphate rocks of the Upper Member of Duwi Formation, at Um Queih Mine, South-Western Quseir, that phosphate can be classified as intermediate grade phosphate ore. It was enriched in V, Ni, Mo, U, Cu, Cr, Cd, Co as well as Zn and their ratios indicated that the deposition occurred in anoxic environment (reducing conditions). Mineralogical investigations indicated that the studied phosphorites are composed of two main mineral phases; fluorapatite and non-phosphatic minerals (dolomite, calcite, pyrite, gypsum, and quartz). The petrographic examination revealed that these phosphorites are composed of phosphatic lithoclasts, phosphatic bioclasts, opaques, and quartz grains embedded in a cryptocrystalline phosphatic matrix. The parent rocks of the studied phosphorites represented by basaltic mafic provenance were affected by low chemical weathering and deposited under marine anoxic environment. The mineralogical and geochemical characteristics indicated that the studied phosphorites deposited in marine anoxic condition. The weathering of these rocks can be harmful to the surrounding environment owing to its content of pyrite and potentially toxic elements (PTEs), the EF (enrichment factor) gives extremely high enriched with Mo, Cd, and Se.

很快，为了确保主要来自不可再生来源的磷的世界供应的安全，中度碳酸盐磷酸盐将需要进一步的地球化学多学科研究，以参与提高人类生产力所必需的磷供应链。白云质磷酸盐是库塞尔西南部 Um Queih 矿 Duwi 组上段的主要碳酸盐磷酸盐岩石，该磷酸盐可归类为中品位磷酸盐矿石。其富集了V、Ni、Mo、U、Cu、Cr、Cd、Co以及Zn，它们的比例表明沉积发生在缺氧环境（还原条件）下。矿物学研究表明，所研究的磷矿由两种主要矿物相组成；氟磷灰石和非磷矿物（白云石、方解石、黄铁矿、石膏、和石英）。岩相学检查表明，这些磷矿由嵌入隐晶质磷酸基体中的磷酸盐碎屑、磷酸盐生物碎屑、不透明物和石英颗粒组成。以玄武岩镁铁质物源为代表的磷矿母岩受低度化学风化影响，在海洋缺氧环境下沉积。矿物学和地球化学特征表明，所研究的磷矿是在海洋缺氧条件下沉积的。这些岩石的风化可能对周围环境有害，因为其含有黄铁矿和潜在有毒元素 (PTE)，EF（富集因子）极高，富含 Mo、Cd 和 Se。磷酸盐生物碎屑、不透明物质和嵌入隐晶磷酸盐基质中的石英颗粒。所研究的以玄武岩镁铁质物源为代表的磷矿母岩受低度化学风化影响，在海洋缺氧环境下沉积。矿物学和地球化学特征表明，所研究的磷矿是在海洋缺氧条件下沉积的。这些岩石的风化可能对周围环境有害，因为其含有黄铁矿和潜在有毒元素 (PTE)，EF（富集因子）极高，富含 Mo、Cd 和 Se。磷酸盐生物碎屑、不透明物质和嵌入隐晶磷酸盐基质中的石英颗粒。所研究的以玄武岩镁铁质物源为代表的磷矿母岩受低度化学风化影响，在海洋缺氧环境下沉积。矿物学和地球化学特征表明，所研究的磷矿是在海洋缺氧条件下沉积的。这些岩石的风化可能对周围环境有害，因为其含有黄铁矿和潜在有毒元素 (PTE)，EF（富集因子）极高，富含 Mo、Cd 和 Se。所研究的以玄武岩镁铁质物源为代表的磷矿母岩受低度化学风化影响，在海洋缺氧环境下沉积。矿物学和地球化学特征表明，所研究的磷矿是在海洋缺氧条件下沉积的。这些岩石的风化可能对周围环境有害，因为其含有黄铁矿和潜在有毒元素 (PTE)，EF（富集因子）极高，富含 Mo、Cd 和 Se。所研究的以玄武岩镁铁质物源为代表的磷矿母岩受低度化学风化影响，在海洋缺氧环境下沉积。矿物学和地球化学特征表明，所研究的磷矿是在海洋缺氧条件下沉积的。这些岩石的风化可能对周围环境有害，因为其含有黄铁矿和潜在有毒元素 (PTE)，EF（富集因子）极高，富含 Mo、Cd 和 Se。