Abyssal benthic barite, as a reliable proxy of paleoclimate, is widely used for reconstruction of Cenozoic marine chemistry properties and paleoproductivity. 摘要深海沉積成因重晶石作為重要的古海洋環境指示物，被廣泛應用於新生代海洋化學和古生產力的重建，成為全球變化研究的重要分析對象之一。
Now chemists and geologists from Binghamton University and Johns Hopkins University have found proof of shifting ocean chemistry in ancient salt deposits. 現在丙罕頓大學與約翰霍普金斯大學的化學家與地質學家，在古代鹽沉積層中發現了海洋化學會變動的證據。
