K-Ar dating 钾氩法测定年龄 ; ar测年

K-Ar dating method 钾

ar-ar dating ar测年

unspiked K-Ar dating 无稀释剂法K

Ar Ar dating 氩

illite k-ar dating 伊利石k

ar ar dating zircon 氩

K-Ar dating of authigenic illite 自生伊利石K

k-ar isotopic dating kar同位素测年