ウラン鉛なまり法ほうMeanings1nounuranium-lead dating methodScientific term used in geology and geochronology for radiometric dating based on the decay of uranium to lead.ウラン鉛なまり法ほうは、岩がん石せきの年ねん代だい測そく定ていに用もちいられる。The uranium-lead method is used for dating rocks.