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English

Patterson's ability to isolate microgram quantities of lead from ordinary rocks and to determine their isotope composition led him to examining the lead in ocean sediment samples from the Atlantic and the Pacific.

Chinese

帕特森當時已能從尋常岩石中以微克級的鉛確認由哪些同位素組成,並且讓他得以從大西洋和太平洋底的沉積物樣本分析其中的鉛同位素。