potassium-argon dating   (TTS Sound)

The potassium-argon_dating has 1 Senses.

• potassium-argon dating
• geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon
• 岩石試料と崩壊生成物、アルゴンの放射性カリウムの割合を頼りに地質学的年代を定めること